DC1235A
Analog Devices Inc.The LTC3826 is a high performance dual step-down switching regulator controller that drives all N-channel synchronous power MOSFET stages. A constant frequency current mode architecture allows a phase-lockable frequency of up to 650kHz. Power loss and noise due to the ESR of the input capacitor are minimized by operating the two controller output stages out of phase.The 30?A no-load quiescent current extends operating life in battery powered systems. OPTI-LOOP compensation allows the transient response to be optimized over a wide range of output capacitance and ESR values. The LTC3826 features a precision 0.8V reference and a power good output indicator. A wide 4V to 36V input supply range encompasses all battery chemistries.Independent TRACK/SS pins for each controller ramp the output voltage during start-up. Current foldback limits MOSFET heat dissipation during short-circuit conditions.The PLLIN/MODE pin selects among Burst Mode operation, pulse skipping mode, or continuous inductor current mode at light loads. For a leaded package version (28-lead SSOP), see the LTC3826-1 data sheet. PGOOD PolyPhase Defeatable Current Foldback Package LTC3826 2 Yes Yes QFN-32 LTC3826-1 1 No No SSOP-28 Applications Automotive Systems Battery-Operated Digital Devices Distributed DC Power Systems
LTC3527EUD-1 Demo Board | Dual, 1.2MHz or 2.2MHz, 0.5V ≤ VIN ≤ 5V, VOUT1 = 3V/3.3V/5V(800mA Switch), VOUT2 = 1.8V/2.85V/3.3V(400mA Switch)
Analog Devices Inc.Demonstration circuit 1237A-A (LTC3527) and 1237A-B (LTC3527-1) are dual output, high-efficiency synchronous boost converter demo boards with each having an 800mA and a 400mA power switch. With a light load, the boost converters can startup with an input voltage as low as 700mV and once started, the input can go as low as 500mV while maintaining a regulated output voltage. Jumpers set the output voltages to one of three options for each output: 3V, 3.3V or 5V for VOUT1, and 1.8V, 2.85V or 3.3V for VOUT2. The devices can provide 200mA at 3.3V from a 1.5V input. The LTC3527-1 actively discharges VOUT1 or VOUT2 when the respective SHDN pin goes low.
LTM8021EV Demoboard | 7.5V ≤ VIN ≤ 36V, VOUT = 5V @ 500mA
Analog Devices Inc.Demonstration circuit 1238B features the LTM8021, a 36V 500mA step-down μModule® regulator. The output has been preset to 5V by a single resistor within the LTM8021’s output voltage range of 0.8V to 5V. An adjustable soft-start period may be implemented with the addition of a capacitor at C3. The input voltage range is from 7.5V to 36V for the default operating conditions. The LTM8021 may need more input voltage to start up than to run in steady state.
LTM4616EV | Low Voltage Dual 8A or Single 16A uModule Regulator
Analog Devices Inc.Demonstration circuit 1245A features the LTM4616, the high efficiency, high density, dual output switch mode power module. The rated load current is 8A for each channel, while derating is necessary for certain VIN, VOUT, and thermal conditions. By applying a clock signal to the CLKIN pin, the module’s switching frequency may be synchronized from 0.75MHz to 2.25MHz. The same clock frequency is available at the CLKOUT pin with the phase relationship between CLKIN and CLKOUT determined by the PHMODE pin. This feature can be used not only to reduce undesirable frequency harmonics but also to parallel the two channels of LTM4616 or even multiple LTM4616s and LTM4608s to provide higher output currents.
LTC1606ACG Demo Board | 16-Bit, 250ksps ADC (Requires DC718 Controller)
Analog Devices Inc.DC1255A-B: Demo Board for the LTC1606 16-Bit, 250ksps, Single Supply ADC
LTC2209UP | High IF, LVDS Out, 160Msps, 16-Bit ADC, 1MHz < Ain <80MHz, (requires DC890 & LVDS_XFMR)
Analog Devices Inc.DC1281A-A: Demo Board for LTC2209 16-Bit, 160Msps ADC
DC1285A
Analog Devices Inc.The LT3598 is a fixed frequency step-up DC/DC converter designed to drive up to six strings of LEDs at an output voltage up to 44V. LED dimming can be achieved with analog dimming on the CTRL pin, and with pulse width modulation dimming on the PWM pin. The LT3598 accurately regulates LED current even when the input voltage is higher than the LED output voltage. The switching frequency is programmable from 200kHz to 2.5MHz through an external resistor. Additional features include programmable overvoltage protection, switching frequency synchronization to an external clock, LED current derating based on junction temperature and/or LED temperature, LED string disable control, OPENLED alert pin and output voltage limiting when all LED strings are disconnected. The LT3598 is available in a thermally enhanced 24-lead (4mm ? 4mm) QFN and 24-lead TSSOP packages.Applications Notebook Computer Display Medium Size Displays Automotive LCD Display
LTC3775EUD Demo Board | 5V ≤ VIN ≤ 36V, VOUT = 1.2V @ 10A
Analog Devices Inc.Demonstration circuit 1290A is a high frequency synchronous step-down converter featuring the LTC3775EUD. The package style for the LTC3775EUD is a 16-pin 3mm x 3mm QFN. Two versions of the demonstration board are available. DC-1290A-A has been optimized for 5V to 26V input and typically provides 1.2V/15A, while the DC1290A-B is optimized for 5V to 36VIN range and typically provides 1.2V/10A.
DC1295B
Analog Devices Inc.The LTM4606 is a complete EN55022 Class B certified noise high voltage 6A switching mode DC/DC power supply. Included in the package are the switching controller, power FETs, inductor, and all support components. The on-board input filter and noise cancellation circuits achieve low noise operation, thus effectively reducing the electromagnetic interference (EMI). Operating over an input voltage range of 4.5V to 28V, the LTM4606 supports an output voltage range of 0.6V to 5V, set by a single resistor. This high efficiency design delivers 6A continuous current (8A peak). Only bulk input and output capacitors are needed to finish the design.High switching frequency and an adaptive on-time current mode architecture enables a very fast transient response to line and load changes without sacrificing stability. The device supports output voltage tracking and output voltage margining.Furthermore, the ?Module? regulator can be synchronized with an external clock for reducing undesirable frequency harmonics and allows PolyPhase? operation for high load currents.The LTM4606 is offered in space saving 15mm ? 15mm ? 2.82mm LGA and 15mm ? 15mm ? 3.42mm BGA packages. The LTM4606 is available with SnPb (BGA) or RoHS compliant terminal finish.APPLICATIONS ASICs or FPGA Transceivers Telecom, Servers and Networking Equipment Industrial Equipment RF Equipment
DC1299A-A
Analog Devices Inc.The LTC6420-20 is a dual high-speed differential amplifier targeted at processing signals from DC to 300MHz. The part has been specifically designed to drive 12-, 14- and 16-bit ADCs with low noise and low distortion, but can also be used as a general-purpose broadband gain block.The LTC6420-20 is easy to use, with minimal support circuitry required. The output common mode voltage is set using an external pin, independent of the inputs, which eliminates the need for transformers or AC-coupling capacitors in many applications. The gain is internally fixed at 20dB (10V/V).The LTC6420-20 saves space and power compared to alternative solutions using IF gain blocks and transformers. The LTC6420-20 is packaged in a compact 20-lead 3mm ? 4mm QFN package and operates over the ?40?C to 85?C temperature range.Applications Differential ADC Driver Single Ended to Differential Conversion IF Sampling (Diversity) Receivers Broadband I/Q Amplifiers Satellite Communications
LTC3725EMSE/LTC3726EGN 1/4 Brick | 9V < VIN < 36V, VOUT: 5.0V/20A
Analog Devices Inc.DC1300A-A: Demo Board for:
LTC3725 - Single-Switch Forward Controller and Gate Driver
LTC3726 - Secondary-Side Synchronous Forward Controller
DC1304B-A
Analog Devices Inc.The LTC6602 is a dual, matched, programmable bandpass or lowpass filter and differential driver. The selectivity of the LTC6602, combined with its phase matching and dynamic range, make it ideal for filtering in RFID systems. With two degree phase matching between channels, the LTC6602 can be used in applications requiring highly matched filters, such as transceiver I and Q channels. Gain programmability, and the fully differential inputs and outputs, simplify implementation in most systems. Both channels of the LTC6602 consist of a programmable lowpass and highpass filter. For bandpass functionality, the lowpass filters are programmed for the upper cutoff frequency. For lowpass functionality, the highpass filters can be bypassed. The filter cutoff frequencies can be set with a guaranteed accuracy of 3% with the use of a single resistor. Alternatively, the filter cutoff frequencies can be controlled with an external clock. The LTC6602 operates on a single 2.7V to 3.6V supply and features a low power shutdown mode.Applications Multiprotocol RFID Readers: EPC-GEN2, ISD and IPX IDEN, PHS, GSM Basestations Repeaters, Radio Links, and Modems Wireless Telemetry JTRS
LT1952-1 Isolated Demo Board | Sync Forward Controller, Active Reset, 9V ≤ VIN ≤ 36V, 48V @1.5A
Analog Devices Inc.Demonstration circuit 1317A-H is isolated input to high current output 1/8th Brick footprint converter featuring the LT1952 switching controller with Active Reset circuit. The Active Reset circuit can improve the efficiency in wide input voltage applications. Also, the Active Reset allows the implementation of self-driven synchronous secondary rectifiers in some applications. The DC1317A-H converts isolated 9V to 36V input to 48V output and provides 1.5A of output current.
DC1318A
Analog Devices Inc.The LTC3611 is a high efficiency, monolithic synchronous step-down DC/DC converter that can deliver up to 10A output current from a 4.5V to 32V (36V maximum) input supply. It uses a constant on-time valley current mode control architecture to deliver very low duty cycle operation at high frequency with excellent transient response. The operating frequency is selected by an external resistor and is compensated for variations in VIN and VOUT. The LTC3611 can be configured for discontinuous or forced continuous operation at light load. Forced continuous operation reduces noise and RF interference while discontinuous mode provides high efficiency by reducing switching losses at light loads. Fault protection is provided by internal foldback current limiting, an output overvoltage comparator and an optional short-circuit shutdown timer. Soft-start capability for supply sequencing is accomplished using an external timing capacitor. The regulator current limit is user programmable. A power good output voltage monitor indicates when the output is in regulation. The LTC3611 is available in a compact 9mm ? 9mm QFN package.Applications Point of Load Regulation Distributed Power Systems
DC1332B-B
Analog Devices Inc.The LTC2631 is a family of 12-, 10-, and 8-bit voltage-output DACs with an integrated, high accuracy, low-drift reference in an 8-lead TSOT-23 package. It has a rail-to-rail output buffer that is guaranteed monotonic.The LTC2631-L has a full-scale output of 2.5V, and operates from a single 2.7V to 5.5V supply. The LTC2631-H has a full-scale output of 4.096V, and operates from a 4.5V to 5.5V supply. A 10ppm/?C reference output is available at the REF pin.Each DAC can also operate in External Reference mode, in which a voltage supplied to the REF pin sets the fullscale output.The LTC2631 DACs use a 2-wire, I2C-compatible serial interface. The LTC2631 operates in both the standard mode (clock rate of 100kHz) and the fast mode (clock rate of 400kHz).The LTC2631 incorporates a power-on reset circuit. Options are available for reset to zero-scale or reset to mid-scale after power-up.Applications Mobile Communications Process Control and Industrial Automation Automatic Test Equipment Portable Equipment Automotive Optical Networking
LTC2640-LM12 Demo Board | 12-Bit SPI DAC (2.5V ref, Reset to Mid-Scale) (requires DC2026)
Analog Devices Inc.Demonstration circuit 1333A features the LTC2640, a 12-bit SPI DAC. This device establishes a new benchmark for size and integration of 12-bit DACs and onboard reference.
LTC2640-LZ12 Demo Board | 12-Bit SPI DAC (2.5V ref, Reset to Zero-Scale) (requires DC2026)
Analog Devices Inc.Demonstration circuit 1333A features the LTC2640, a 12-bit SPI DAC. This device establishes a new benchmark for size and integration of 12-bit DACs and onboard reference.
LTC2309 Demo Board | 12-Bit, 8-Channel SAR ADC with I2C I/F (requires DC2026)
Analog Devices Inc.Demonstration circuit 1337 features the LTC2309, a low noise, low power, 8-Channel, 12-Bit, successive approximation ADC with an I2C compatible serial interface. The LTC2309 is available in a 24-pin 4mm × 4mm QFN package. DC1337 demonstrates the DC performance of the LTC2309 in conjunction with the DC590B quick evaluation data collection board.
LTC3569EUD Demo Board | Triple Buck Regulator with 1.2A and Two 600mA Outputs and Individual Programmable References
Analog Devices Inc.Demonstration circuit 1340 is a triple output regulator consisting of three constant-frequency step-down converters integrated into LTC3569. DC1340 has an input voltage range of 2.5V to 5.5V, with regulators capable of delivering 1.2A or 600mA of load current on corresponding output. The three regulators operate independently with individual Enable pins and enter pulse skipping or burst mode at low loads for increasing efficiency. The DC1340 is a very efficient circuit with efficiency reading above 90%. High operating frequency of 2.25MHz allows exclusive use of the small size, low profile surface mount components. These features plus internal compensation circuits and extremely low quiescent current make the DC1340 demo board an ideal circuit for use in battery-powered, hand-held applications.
DC1347B
Analog Devices Inc.The LTC3633 is a high efficiency, dual-channel monolithic synchronous buck regulator using a controlled on-time, current mode architecture, with phase lockable switching frequency. The two channels can run 180? out of phase, which relaxes the requirements for input and output capacitance. The operating supply voltage range is from 3.6V to 15V, making it suitable for dual cell lithium-ion batteries as well as point of load power supply applications from a 12V or 5V supply.The operating frequency is programmable and synchronizable from 500kHz to 4MHz with an external resistor. The high frequency capability allows the use of small surface mount inductors and capacitors. The unique constant frequency/controlled on-time architecture is ideal for high step-down ratio applications that operate at high frequency while demanding fast transient response. An internal phase lock loop servos the on-time of the internal one-shot timer to match the frequency of the internal clock or an applied external clock.The LTC3633 can select between forced continuous mode and high efficiency Burst Mode operation.Applications Distributed Power Systems Battery Powered Instruments Point of Load Power Supplies
