The ADP1031 is a high performance, isolated micropowermanagement unit (PMU) that combines an isolated flybackdc-to-dc regulator, an inverting dc-to-dc regulator, and abuck dc-to-dc regulator, providing three isolated power rails.Additionally, the ADP1031 contains four, high speed, serialperipheral interface (SPI) isolation channels and three general-purpose isolators for channel to channel applications where lowpower dissipation and small solution size is required.Operating over an input voltage range of +4.5 V to +60 V, theADP1031 generates isolated output voltages of +6 V to +28 V(adjustable version) or+ 21 V and +24 V (fixed versions) forVOUT1, factory programmable voltages of +5.15 V, +5.0 V, or+3.3 V for VOUT2, and an adjustable output voltages of ?24 V to?5 V for VOUT3.By default, the ADP1031 flyback regulator operates at a 250 kHzswitching frequency and the buck and inverting regulators operateat 125 kHz. All three regulators are phase shifted relative to eachother to reduce electromagnetic interference (EMI). The ADP1031can be driven by an external oscillator in the range of 350 kHzto 750 kHz to ease noise filtering in sensitive applications.The digital isolators integrated in the ADP1031 use AnalogDevices, Inc., iCoupler? chip scale transformer technology,optimized for low power and low radiated emissions.The ADP1031 is available in a 9 mm ? 7 mm, 41-lead LFCSP andis rated for a ?40?C to +125?C operating junction temperaturerange.Applications Industrial automation and process control Instrumentation and data acquisition systems Data and power isolation

The ADP1032 is a high performance, isolated micropower management unit (PMU) that combines an isolated flyback and a dc-to-dc regulator providing two isolated power rails. Additionally, the ADP1032 contains four high speed serial peripheral interface (SPI) isolation channels and three general-purpose isolators for channel to channel applications where low power dissipation and small solution size is required. Operating over an input voltage range of 4.5 V to 60 V, the ADP1032 generates isolated output voltages of 6 V to 28 V (adjustable version) or 24 V (fixed version) for VOUT1, and factory programmable voltages of 5.15 V, 5.0 V, or 3.3 V for VOUT2.?By default, the ADP1032 flyback regulator operates at a 250 kHz switching frequency, and the buck regulator operates at 125 kHz.?The two regulators are phase shifted relative to each other to reduce electromagnetic interference (EMI). The ADP1032 can be driven by an external oscillator in the range of 350 kHz to 750 kHz to ease noise filtering in sensitive applications.?The digital isolators integrated in the ADP1032 use Analog Devices, Inc., iCoupler? chip scale transformer technology, optimized for low power and low radiated emissions. The ADP1032 is available in a 9 mm ? 7 mm, 41-lead LFCSP and is rated for a ?40?C to +125?C operating junction temperature range.?

The?ADP1047?/ ADP1048 are digital power factor correction (PFC) controllers that provide accurate input power metering capability and inrush current control for ac/dc systems. The ADP1047 is designed for single phase PFC applications; the ADP1048 is designed especially for interleaved and bridgeless PFC applications.The digital PFC function is based on a conventional boost PFC with multiplication of the output voltage feedback combined with the input current and voltage to provide optimum harmonic correction and power factor for ac/dc systems. All signals are converted into the digital domain to provide maximum flexibility; all key parameters can be reported and adjusted via the PMBus? interface. The ADP1047 / ADP1048 allow users to optimize system performance, maximize efficiency across the load range, and reduce design time to market.The ADP1047 / ADP1048 provide accurate rms measurement of input voltage, current, and power. This information can be reported to the microcontroller of the power supply via thePMBus interface.APPLICATIONS AC/DC power supplies for applications Computing Server & Storage Network and communication infrastructure Industrial and Medical

The ADP1074 is a current mode, fixed frequency, active clamp, synchronous forward controller designed for isolated dc to dc power supplies. Analog Devices proprietary iCouplers? are integrated in the ADP1074 to eliminate the bulky signal transformers and optocouplers that transmit signals over the isolation boundary. Integrating the iCouplers reduces system design complexity, cost, and component count and improves overall system reliability. With the integrated isolators and metal-oxide semiconductor field effect transistor (MOSFET) drivers on both the primary and the secondary side, the ADP1074 offers a compact system level design and yields a higher efficiency than a non-synchronous forward converter at heavy loads.The primary side pins provide functions for programming the switching frequency, maximum duty cycle, external frequency synchronization, and slope compensation.The secondary side pins provide functions for differential output voltage sensing, overvoltage, power good, tracking, and programmable light load mode setting.The feedback signal and timing of synchronous rectifier pulse-width modulations (PWMs) are transmitted from primary to secondary or from secondary to primary sides through the iCouplers using a proprietary transmission scheme.The ADP1074 also offers features such as input current protection, undervoltage lockout (UVLO), precision enable with adjustable hysteresis, overtemperature protection (OTP), and power saving light load mode (LLM).Applications Isolated dc-to-dc power conversion Intermediate bus voltage generation Telecom, industrial Base station and antenna RF power Small cell PoE powered device Enterprise switches/routers Core/edge/metro/optical routing Power modules

The ADP121 is a quiescent current, low dropout, linear regulator that operates from 2.3 V to 5.5 V and provides up to 150 mA of output current. The low 135 mV dropout voltage at 150 mA load improves efficiency and allows operation over a wide input voltage range. The low 30 ?A of quiescent current at full load makes the ADP121 ideal for battery-operated portable equipment.The ADP121 is available in output voltages ranging from 1.2 V to 3.3 V. The parts are optimized for stable operation with small 1 ?F ceramic output capacitors. The ADP121 delivers good transient performance with minimal board area.Short-circuit protection and thermal overload protection circuits prevent damage in adverse conditions. The ADP121 is available in a tiny 5-lead TSOT and 4-ball 0.4 mm pitch WLCSP pack-ages and utilizes the smallest footprint solution to meet a variety of portable applications.

The ADP121 is a quiescent current, low dropout, linear regulator that operates from 2.3 V to 5.5 V and provides up to 150 mA of output current. The low 135 mV dropout voltage at 150 mA load improves efficiency and allows operation over a wide input voltage range. The low 30 ?A of quiescent current at full load makes the ADP121 ideal for battery-operated portable equipment.The ADP121 is available in output voltages ranging from 1.2 V to 3.3 V. The parts are optimized for stable operation with small 1 ?F ceramic output capacitors. The ADP121 delivers good transient performance with minimal board area.Short-circuit protection and thermal overload protection circuits prevent damage in adverse conditions. The ADP121 is available in a tiny 5-lead TSOT and 4-ball 0.4 mm pitch WLCSP pack-ages and utilizes the smallest footprint solution to meet a variety of portable applications.

The ADP121 is a quiescent current, low dropout, linear regulator that operates from 2.3 V to 5.5 V and provides up to 150 mA of output current. The low 135 mV dropout voltage at 150 mA load improves efficiency and allows operation over a wide input voltage range. The low 30 ?A of quiescent current at full load makes the ADP121 ideal for battery-operated portable equipment.The ADP121 is available in output voltages ranging from 1.2 V to 3.3 V. The parts are optimized for stable operation with small 1 ?F ceramic output capacitors. The ADP121 delivers good transient performance with minimal board area.Short-circuit protection and thermal overload protection circuits prevent damage in adverse conditions. The ADP121 is available in a tiny 5-lead TSOT and 4-ball 0.4 mm pitch WLCSP pack-ages and utilizes the smallest footprint solution to meet a variety of portable applications.

The ADP130 is a low quiescent current, low dropout linear regulator. It is designed to operate in dual-supply mode with an input voltage as low as 1.2 V to increase efficiency and provide up to 350 mA of output current. The low 17 mV dropout voltage at a 100 mA load improves efficiency and allows operation over a wider input voltage range.A dual-supply power solution typically improves conversion efficiency over a single-supply solution because the higher VBIAS supply powers the part, and the lower VIN supply delivers current to the load. The power dissipated in the device is thereby reduced. The ADP130 is optimized for stable operation with small 1 ?F ceramic output capacitors. The ADP130 delivers good transient performance with minimal board area.The ADP130 is available in fixed output voltages ranging from : 0.80 V to 3.0 V.The ADP130 has a typical internal soft start time of 200 ?s. Short-circuit protection and thermal overload protection circuits prevent damage in adverse conditions. The ADP130 is available in a tiny 5-lead TSOT package for the smallest footprint solution to meet a variety of portable power applications.ApplicationsMobile phonesDigital camera and audio devicesPortable and battery-powered equipmentPost dc-to-dc regulationData Sheet, Rev. 0, 8/08

The ADP151 is an ultralow noise, low dropout (LDO) linear regulator that operates from 2.2 V to 5.5 V and provides up to 200 mA of output current. The low 135 mV dropout voltage at 200 mA load improves efficiency and allows operation over a wide input voltage range.Using an innovative circuit topology, the ADP151 achieves ultralow noise performance without the necessity of a bypass capacitor, making the device ideal for noise-sensitive analog and RF applications. The ADP151 also achieves ultralow noise performance without compromising the power supply rejection ratio (PSRR) or transient line and load performance. The low 265 ?A of operating supply current at 200 mA load makes the ADP151 suitable for battery-operated portable equipment.The ADP151 also includes an internal pull-down resistor on the EN input.The ADP151 is specifically designed for stable operation with tiny 1 ?F, ?30% ceramic input and output capacitors to meet the requirements of high performance, space constrained applications.The ADP151 is capable of 16 fixed output voltage options, ranging from 1.1 V to 3.3 V.Short-circuit and thermal overload protection circuits prevent damage in adverse conditions. The ADP151 is available in tiny 5-lead TSOT, 6-lead LFCSP, and 4-ball, 0.4 mm pitch, halide-free WLCSP packages for the smallest footprint solution to meet a variety of portable power application requirements.APPLICATIONS RF, voltage controlled oscillator (VCO), and phase locked loop (PLL) power supplies Mobile phones Digital camera and audio devices Portable and battery-powered equipment Post dc-to-dc regulation Portable medical devices Automotive

The?ADP160?/ ADP161 /?ADP162?/?ADP163?are ultralow quiescentcurrent, low dropout, linear regulators that operate from 2.2 Vto 5.5 V and provide up to 150 mA of output current. The low195 mV dropout voltage at 150 mA load improves efficiency andallows operation over a wide input voltage range.The ADP16x are specifically designed for stable operation withtiny 1 ?F ? 30% ceramic input and output capacitors to meetthe requirements of high performance, space-constrainedapplications.The ADP160 is available in 15 fixed output voltage options,ranging from 1.2 V to 4.2 V. The ADP160 / ADP161 also includea switched resistor to discharge the output automatically when the LDO is disabled. The ADP162 is identical to the ADP160but does not include the output discharge function.The ADP161 and ADP163 are available as a adjustable outputvoltage regulators. They are only available in a 5-lead TSOTpackage. The ADP163 is identical to the ADP161 but does notinclude the output discharge function.Short-circuit and thermal overload protection circuits preventdamage in adverse conditions. The ADP160 and ADP162 areavailable in a tiny 5-lead TSOT and a 4-ball, 0.5 mm pitchWLCSP package for the smallest footprint solution to meet avariety of portable power applications.APPLICATIONS Mobile phones Digital cameras and audio devices Portable and battery-powered equipment Post dc-to-dc regulation Portable medical devices

The?ADP160?/?ADP161?/?ADP162?/ ADP163 are ultralow quiescentcurrent, low dropout, linear regulators that operate from 2.2 Vto 5.5 V and provide up to 150 mA of output current. The low195 mV dropout voltage at 150 mA load improves efficiency andallows operation over a wide input voltage range.The ADP16x are specifically designed for stable operation withtiny 1 ?F ? 30% ceramic input and output capacitors to meetthe requirements of high performance, space-constrainedapplications.The ADP160 is available in 15 fixed output voltage options,ranging from 1.2 V to 4.2 V. The ADP160 / ADP161 also includea switched resistor to discharge the output automatically when the LDO is disabled. The ADP162 is identical to the ADP160but does not include the output discharge function.The ADP161and ADP163 are available as a adjustable outputvoltage regulators. They are only available in a 5-lead TSOTpackage. The ADP163 is identical to the ADP161 but does notinclude the output discharge function.Short-circuit and thermal overload protection circuits preventdamage in adverse conditions. The ADP160 and ADP162 areavailable in a tiny 5-lead TSOT and a 4-ball, 0.5 mm pitchWLCSP package for the smallest footprint solution to meet avariety of portable power applications.APPLICATIONS Mobile phones Digital cameras and audio devices Portable and battery-powered equipment Post dc-to-dc regulation Portable medical devices

The ADP165/ADP166 are very low quiescent current, low dropout, linear regulator that operate from 2.2 V to 5.5 V and provides up to 150 mA of output current. The low 120 mV dropout voltage at 150 mA load improves efficiency and allows operation over a wide input voltage range.The ADP165/ADP166 are specifically designed for stable operation with a tiny 1 ?F ? 30% ceramic input and output capacitors to meet the requirements of high performance, space-constrained applications.The ADP165/ADP166 are available in seven fixed output voltage options, ranging from 1.2 V to 3.3 V, and an adjustable output option. The ADP165 also include a switched resistor to discharge the output automatically when the LDO is disabled. The ADP166 is identical to the ADP165, but does not include the output discharge function.Short-circuit and thermal overload protection circuits prevent damage in adverse conditions. The ADP165/ADP166 are available in a tiny 5-lead TSOT, a 6-lead LFCSP and a 4-ball, 0.5 mm pitch WLCSP package for the smallest footprint solution to meet a variety of portable power applications.Applications Portable and battery-powered equipment Post dc-to-dc regulation Portable medical devices Wireless sensor network (WSN) devices

The ADP1715/ADP1716 are low dropout, CMOS linear regulators that operate from 2.5 V to 5.5 V and provide up to 500 mA of output current. Using an advanced proprietary architecture, they provide high power supply rejection and achieve excellent line and load transient response with just a small 2.2 ?F ceramic output capacitor.Three versions of this part are available, one with fixed output voltage options and variable soft start (ADP1715), one with adjustable output voltage and fixed soft start (ADP1715 Adjustable), and one with voltage tracking in fixed output voltage options (ADP1716). The fixed output voltage options are internally set to one of sixteen values between 0.75 V and 3.3 V; the adjustable output voltage can be set to any value between 0.8 V and 5.0 V by an external voltage divider connected from OUT to ADJ. The variable soft start uses an external capacitor at SS to control the output voltage ramp. Tracking limits the output voltage to the at-or-below voltage at the TRK pin.The ADP1715/ADP1716 are available in 8-lead thermally enhanced MSOP packages, making them not only a very compact solution but also providing excellent thermal performance for applications requiring up to 500 mA of output current in a small, low profile footprint.ApplicationsNotebook computersMemory componentsTelecommunications equipmentNetwork EquipmentDSP/FPGA/?P suppliesInstrumentation equipment/data acquisition systems

The?ADP1740?/ ADP1741 are CMOS, low dropout linear regulators that operate from 1.6 V to 3.6 V and provide up to 2 A of output current. These Low VIN / VOUT LDOs are ideal for regulation of nanometer FPGA geometries operating from 2.5V down to 1.8V I/O rails, and powering core voltages down to 0.75V. Using an advanced proprietary architecture, they provide high power supply rejection, low noise, and achieve excellent line and load transient response with just a small 4.7 ?F ceramic output capacitor.The ADP1740 is available in seven fixed output voltage options. The ADP1741 is an adjustable version that allows output voltages ranging from 0.75 V to 3.3 V via an external divider.The ADP1740 / ADP1741 allow an external soft start capacitor to be connected to program the startup. A digital power-good output allows power system monitors to check the health of the output voltage.The ADP1740 / ADP1741 are available in a 16-lead, 4 mm ? 4 mm LFCSP, making them not only very compact solutions, but also providing excellent thermal performance for applications that require up to 2 A of output current in a small, low profile footprint.APPLICATIONS Server computers Memory components Telecommunications equipment Network equipment DSP/FPGA/microprocessor supplies Instrumentation equipment/data acquisition systems

The ADP1762 is a low noise, low dropout (LDO) linear regulator. It is designed to operate from a single input supply with an input voltage as low as 1.10 V, without the requirement of an external bias supply, to increase efficiency and provide up to 2 A of output current.The low 62 mV typical dropout voltage at a 2 A load allows the ADP1762 to operate with a small headroom while maintaining regulation and providing better efficiency.The ADP1762 is optimized for stable operation with small 10 ?F ceramic output capacitors. The ADP1762 delivers optimal transient performance with minimal board area.The ADP1762 is available in fixed output voltages ranging from 0.9 V to 1.5 V. The output of the adjustable output model can be set from 0.5 V to 1.5 V through an external resistor connected between VADJ and ground.The ADP1762 has an externally programmable soft start time by connecting a capacitor to the SS pin. Short-circuit and thermal overload protection circuits prevent damage in adverse conditions. The ADP1762 is available in a small 16-lead LFCSP package for the smallest footprint solution to meet a variety of applications.APPLICATIONS Regulation to noise sensitive applications such as radio frequency (RF) transceivers, analog-to-digital converter (ADC) and digital-to-analog converter (DAC) circuits, phase-locked loops (PLLs), voltage controlled oscillators (VCOs) and clocking integrated circuits Field-programmable gate array (FPGA) and digital signal processor (DSP) supplies Medical and healthcare Industrial and instrumentation?

The ADP1763 is a low noise, low dropout (LDO) linear regulator. Itis designed to operate from a single input supply with an inputvoltage as low as 1.10 V without the requirement of an external biassupply to increase efficiency and provide up to 3 A of output current.The low 95 mV typical dropout voltage at a 3 A load allows theADP1763 to operate with a small headroom while maintainingregulation and providing better efficiency.The ADP1763 is optimized for stable operation with small 10 ?Fceramic output capacitors. The ADP1763 delivers optimaltransient performance with minimal board area.The ADP1763 is available in fixed output voltages ranging from0.9 V to 1.5 V. The output of the adjustable output model can beset from 0.5 V to 1.5 V through an external resistor connectedbetween VADJ and ground.The ADP1763 has an externally programmable soft start time byconnecting a capacitor to the SS pin. Short-circuit and thermaloverload protection circuits prevent damage in adverse conditions.The ADP1763 is available in a small 16-lead LFCSP package for thesmallest footprint solution to meet a variety of applications.APPLICATIONS Regulation to noise sensitive applications such as RF transceivers, analog-to-digital converter (ADC) and digital-to-analog converter (DAC) circuits, phase-locked loops (PLLs), voltage controlled oscillators (VCOs) and clocking integrated circuits Field-programmable gate array (FPGA) and digital signal processor (DSP) supplies Medical and healthcare Industrial and instrumentation Automotive

The ADP1764 is a low noise, low dropout (LDO) linear regulator. It is designed to operate from a single input supply with an input voltage as low as 1.10 V without the requirement of an external bias supply to increase efficiency and provide up to 4 A of output current (IOUT).The low 47 mV typical dropout voltage at a 4 A load allows theADP1764 to operate with a small headroom while maintainingregulation and providing better efficiency.The ADP1764 is optimized for stable operation with small 22 ?F ceramic output capacitors. The ADP1764 delivers optimal transientperformance with minimal printed circuit board (PCB) area.The ADP1764 is available in fixed output voltages ranging from 0.55 V to 1.5 V. The output voltage (VOUT) of the adjustableoutput model can be set from 0.5 V to 1.5 V through an external resistor connected between VADJ and ground.The ADP1764 has an externally programmable soft start time by connecting a capacitor to the SS pin. Short-circuit and thermaloverload protection circuits prevent damage in adverse conditions.The ADP1764 is available in a small, 16-lead LFCSP package forthe smallest footprint solution to meet a variety of applications.Applications Regulation to noise sensitive applications such as radio frequency (RF) transceivers, analog-to-digital converter (ADC) and digital-to-analog converter (DAC) circuits, phase-locked loops (PLLs), voltage controlled oscillators (VCOs) and clocking integrated circuits Field-programmable gate array (FPGA) and digital signal processor (DSP) supplies Medical and healthcare Industrial and instrumentation

The ADP1853 is a wide range input, dc-to-dc, synchronousbuck controller capable of running from commonly used 3.3 Vto 12 V (up to 20 V) voltage inputs. The device nominallyoperates in current mode with valley current sensing providingthe fastest step response for digital loads. It can also beconfigured as a voltage mode controller with low noise andcrosstalk for sensitive loads.The ADP1853 can be used as a master synchronization clockfor the power system and for convenient synchronizationbetween controllers. The CLKOUT signal can synchronizeother devices in the ADP185x family such that slave devicesare phase-shifted from the master to reduce the input ripplecurrent, improve EMI, and reduce the size of the input bulkcapacitance. The ADP1853 can also be configured as a slavedevice for current sharing. Additionally, the ADP1853 includesaccurate tracking, precision enable, and power good functionsfor sequencing. The ADP1853 provides a high speed, high peakcurrent gate driving capability to enable energy efficient powerconversion. The device can be configured to operate in powersaving mode by skipping pulses, reducing switching losses andimproving efficiency at light load and standby conditions.The accurate current limit allows design within a narrowerrange of tolerances and can reduce overall converter size andcost. The ADP1853 can regulate down to 0.6 V output using ahigh accuracy reference with ?1% tolerance over thetemperature range from ?40?C to 125?C.With a wide range input voltage, the ADP1853 is designed toprovide the designer with maximum flexibility for use in avariety of system configurations; loop compensation, soft start,frequency setting, power saving mode, current limit, andcurrent sense gain can all be programmed using externalcomponents. In addition, the external RAMP resistor allowschoosing optimal slope and VIN feedforward in both currentand voltage mode for excellent line rejection. The linearregulator and the boot strap diode for the high-side driver areinternal.Protection features include undervoltage lock out, overvoltage,overcurrent/short circuit, and overtemperature.Applications Intermediate bus and POL systems requiring sequencing and tracking, including Telecom base station and networking Industrial and Instrumentation Medical and healthcare

The ADP1864 is a compact, inexpensive, constant-frequency current-mode step-down dc-to-dc controller. The ADP1864 drives a P-channel MOSFET that regulates an output voltage as low as 0.8 V with ?2% accuracy, for up to 5 A load currents, from input voltages as high as 14 V.The ADP1864 provides system flexibility by allowing accurate setting of the current limit with an external resistor, and the output voltage is easily adjustable using two external resistors. The ADP1864 includes an internal soft start to allow quick power-up while preventing input inrush current. Additional safety features include short-circuit protection, output overvoltage protection, and input undervoltage protection. Current-mode control provides fast and stable load transient performance, while the 580 kHz operating frequency allows a small inductor to be used in the system. To further the life of a battery source, the controller turns on the external P-channel MOSFET 100% of the duty cycle during dropout.The ADP1864 operates over the ?40?C to +125?C temperature range and is available in a small, low profile, 6-lead TSOT package.APPLICATIONS Wireless devices 1- to 3-cell Li-Ion battery-powered applications Set-top boxes Processor core power supplies Hard disk drives

The ADP1870 / ADP1871?are versatile current-mode, synchronous step-down controllers that provide superior transient response, optimal stability, and current-limit protection by using a constant on-time, pseudo-fixed frequency with a programmable current limit, current-control scheme. In addition, these devices offer optimum performance at low duty cycles by utilizing valley current-mode control architecture. This allows the ADP1870 / ADP1871 to drive all N-channel power stages to regulate output voltages as low as 0.6 V.The ADP1871 is the power saving mode (PSM) version of the device and is capable of pulse skipping to maintain output regulation while achieving improved system efficiency at light loads (see the Power Saving Mode (PSM) Version (ADP1871) section for more information).Available in three frequency options (300 kHz, 600 kHz, and 1.0 MHz, plus the PSM option), the ADP1870 / ADP1871 are well suited for a wide range of applications that require a single-input power supply range from 2.95 V to 20 V. Low voltage biasing is supplied via a 5 V internal LDO.In addition, an internally fixed soft start period is included to limit input in-rush current from the input supply during startup and to provide reverse current protection during soft start for a precharged output. The low-side current-sense, current-gain scheme and integration of a boost diode, along with the PSM/forced pulse width modulation (PWM) option, reduce the external part count and improve efficiency.The ADP1870 / ADP1871 operate over the -40?C to +125?C junction temperature range and are available in 10-lead MSOP package.