The LTM8054 is a 36VIN, buck-boost ?Module?(micromodule) regulator. Included in the package are theswitching controller, power switches, inductor and supportcomponents. A resistor to set the switching frequency, aresistor divider to set the output voltage, and input andoutput capacitors are all that are needed to complete thedesign. Other features such as input and output averagecurrent regulation may be implemented with just a fewcomponents. The LTM8054 operates over an input voltagerange of 5V to 36V, and can regulate output voltagesbetween 1.2V and 36V. The SYNC input and CLKOUToutput allow easy synchronization.The LTM8054 is housed in a compact overmolded ballgrid array (BGA) package suitable for automated assemblyby standard surface mount equipment. The LTM8054 isRoHS compliant.Buck Boost Selection Table LTM8054 LTM8055 LTM8056 VIN (Operation) 36 36 58 VIN Abs Max 40 40 60 VOUT Abs Max 40 40 60 IOUT (Peak) 24VIN, 12VOUT 5.4 8.5 5.5 Package 15 x 11.25mm x 3.42mm BGA 15 x 15mm x 4.92mm BGA 15 x 15mm x 4.92mm BGA Applications High Power Battery-Operated Devices Industrial Control Solar Powered Voltage Regulator Solar Powered Battery Charging

Demonstration circuit 2024A features the LTC4282 high current Hot Swap™ controller. The LTC4282 is well suited to high power applications because the precise monitoring capability and accurate current limiting reduces the extremes in which both loads and power supplies must safely operate. Non-volatile configuration allows for flexibility in the autonomous generation of alerts and response to faults.

DC2033A: Demo Board for the LT6110 Cable/Wire Drop Compensator.

The LTC4162-L is an advanced monolithic synchronous step-down switching battery charger and PowerPath? manager that seamlessly manages power distribution between input sources such as wall adapters, backplanes, solar panels, etc., and a rechargeable Lithium-Ion/Polymer battery.A high resolution measurement system provides extensive telemetry information for circuit voltages, currents, battery resistance and temperature which can all be read back over the I2C port. The I2C port can also be used to configure many charging parameters including charging voltages and currents, termination algorithms and numerous system status alerts.The LTC4162-L can charge Lithium-Ion cell stacks from 1 cell to 8 cells with as much as 3.2A of charge current.The power path topology decouples the output voltage from the battery allowing a portable product to start up instantly under very low battery voltage conditions.The LTC4162-L is available in a thermally enhanced 28-pin 4mm ? 5mm ? 0.75mm QFN surface mount package.

The LTC4162-L is an advanced monolithic synchronous step-down switching battery charger and PowerPath? manager that seamlessly manages power distribution between input sources such as wall adapters, backplanes, solar panels, etc., and a rechargeable Lithium-Ion/Polymer battery.A high resolution measurement system provides extensive telemetry information for circuit voltages, currents, battery resistance and temperature which can all be read back over the I2C port. The I2C port can also be used to configure many charging parameters including charging voltages and currents, termination algorithms and numerous system status alerts.The LTC4162-L can charge Lithium-Ion cell stacks from 1 cell to 8 cells with as much as 3.2A of charge current.The power path topology decouples the output voltage from the battery allowing a portable product to start up instantly under very low battery voltage conditions.The LTC4162-L is available in a thermally enhanced 28-pin 4mm ? 5mm ? 0.75mm QFN surface mount package.

The LTC3355 is a complete input power interrupt ride-through DC/DC system. The part charges a supercapacitor while delivering load current to VOUT, and uses energy from the supercapacitor to provide continuous VOUT backup power when VIN power is lost. The LTC3355 contains a nonsynchronous constant frequency current mode monolithic 1A buck switching regulator to provide a 2.7V to 5V regulated output voltage from an input supply of up to 20V.A 1A programmable CC/CV linear charger charges the supercapacitor from VOUT. When the VIN supply drops below the PFI threshold, the devices?s constant frequency nonsynchronous current mode 5A boost switching regulator delivers power from the supercapacitor to VOUT. A thermal regulation loop maximizes charge current while limiting the die temperature to 110?C. The IC has boost, charger and VIN programmable current limits. The LTC3355 is available in a 20-lead 4mm ? 4mm QFN surface mount package.Applications Ride-Through ?Dying Gasp? Supplies Power Meters/Industrial Alarms/Solid State Drives

DC2042A - Demo Board for: LTC3588-1 Piezoelectric Energy Harvesting Power Supply LTC3108 Ultralow Voltage Step-Up Converter and Power Manager LTC3105 400mA Step-Up DC/DC Converter with Maximum Power Point Control and 250mV Start-Up LTC3459 10V Micropower Synchronous Boost Converter in ThinSOT LTC2935 Ultra-Low Power Supervisor with Power-Fail Output, Selectable Thresholds

The LTC3305 balances up to 4 lead-acid batteries connected in series. It is intended to be used in conjunction with a separate pre-existing battery charger as part of a high performance battery system. All voltage monitoring, gate drive, and fault detection circuitry is integrated.The LTC3305 employs an auxiliary battery or an alternative storage cell to transfer charge to or from each individual battery in the stack. A mode pin provides two operating modes, timer mode and continuous mode. In timer mode, once the balancing operation is completed, the LTC3305 goes into a low power state for a programmed time and then periodically rebalances the batteries. In continuous mode, the balancing operation continues even after the batteries are balanced to their programmed termination voltage.The LTC3305 is available in a thermally enhanced 38-lead TSSOP package.Applications Telecom Backup Systems Home Battery Powered Backup Systems Industrial Electric Vehicles Energy Storage Systems (ESS) Medical Equipment

Demonstration circuit 2044B is a 55V buck-boost multi-chemistry battery charger featuring the LTC4020. The board will accept an input voltage between 15V and 55V. The float voltage of the battery output (BAT) is 25.2V, with 3.3A maximum charge current. The converter output (VOUT) has a voltage range of 21V to 28V, with 3A maximum load current. The LTC4020 contains a high efficiency synchronous buck-boost DC/DC controller and uses a proprietary average current mode architecture. The LTC4020 battery charger can provide a constant-current/constant-voltage charge algorithm (CC/CV); a four-step, three-stage lead-acid battery-charge profile or constant-current charging (CC). Battery-chemistry type is selected using on-board jumper JP1. The LTC4020 data sheet gives a complete description of the IC operation and application information. The data sheet must be read in conjunction with the quick start guide.

The LTC3875 is a dual output current mode synchronous step-down DC/DC controller that drives all N-channel power MOSFET stages. It employs a unique architecture that enhances the signal-to-noise ratio of the current sense signal, allowing the use of very low DC resistance (DCR) power inductors to maximize efficiency in high current applications. This feature also reduces the switching jitter commonly found in low DCR applications with current mode control.The LTC3875 features two high speed differential amplifiers which can be used to compensate for the voltage drop from the LTC3875 to the load. Its DCR temperature compensated adjustable over current trip points from 10mV to 30mV limits the maximum output current precisely over temperature.A unique thermal balancing function adjusts per phase current to minimize the thermal stress for multichip single output applications. The LTC3875 is available in the 40- lead 6mm ? 6mm (0.5mm pitch) and 40-lead 5mm ? 5mm (0.4mm pitch) QFN packages.APPLICATIONS Servers and Instruments Telecom Systems DC Power Distribution Systems

The LTC3637 is a high efficiency step-down DC/DC regulator with an internal high side power switch that draws only 12?A DC supply current while maintaining a regulated output voltage at no load.The LTC3637 can supply up to 1A load current and features a programmable peak current limit that provides a simple method for optimizing efficiency and for reducing output ripple and component size. The LTC3637?s combination of Burst Mode? operation, integrated power switch, low quiescent current, and programmable peak current limit provides high efficiency over a broad range of load currents.With its wide input range of 4V to 76V, and programmable overvoltage lockout, the LTC3637 is a robust regulator suited for regulating from a wide variety of power sources. Additionally, the LTC3637 includes a precise run threshold and soft-start feature to guarantee that the power system start-up is well-controlled in any environment.The LTC3637 is available in the thermally-enhanced 3mm ? 5mm DFN and the MSE16 packages.APPLICATIONS Industrial Control Supplies Medical Devices Distributed Power Systems Portable Instruments Battery-Operated Devices Automotive Avionics

The LTC1799 is a precision oscillator that is easy to use and occupies very little PC board space. The oscillator frequency is programmed by a single external resistor (RSET). The LTC1799 has been designed for high accuracy operation (?1.5% frequency error) without the need for external trim components.The LTC1799 operates with a single 2.7V to 5.5V power supply and provides a rail-to-rail, 50% duty cycle square wave output. The CMOS output driver ensures fast rise/fall times and rail-to-rail switching. The frequency-setting resistor can vary from 3k to 1M to select a master oscillator frequency between 100kHz and 33MHz (5V supply). The three-state DIV input determines whether the master clock is divided by 1, 10 or 100 before driving the output, providing three frequency ranges spanning 1kHz to 33MHz (5V supply). The LTC1799 features a proprietary feedback loop that linearizes the relationship between RSET and frequency, eliminating the need for tables to calculate frequency.Applications Low Cost Precision Oscillator Switching Power Supply Clock Reference Clocking Switched Capacitor Filters Fixed Crystal Oscillator Replacement Ceramic Oscillator Replacement

The LTC6905-X series of parts are precision, fixed frequency, silicon oscillators designed to minimize board space while maximizing accuracy and ease of use.Programmed at the factory to a fixed frequency, the LTC6905-X series of parts need no external trim components. An internal three-state divider allows for division of the master clock by 1, 2 or 4, providing 3 frequencies (for each device).The LTC6905-X series operate with a single 2.7V to 5.5V power supply and provide a rail-to-rail, 50% duty cycle, square wave output. The OE pin will disable the output when brought low and synchronously enable the output when brought high, avoiding pulse slivers.The four products of the LTC6905-X family are: LTC6905-133: fOSC = 133MHz, 66.7MHz, 33.3MHz LTC6905-100: fOSC = 100MHz, 50MHz, 25MHz LTC6905-96: fOSC = 96MHz, 48MHz, 24MHz LTC6905-80: fOSC = 80MHz, 40MHz, 20MHz?The LTC6905-X series of parts are designed with a factory trim option to modify the divider ratios from 1, 2, 4 to 8, 16, 32. A second trim option allows for additional master clock frequencies. For the alternate divider ratios and unlisted frequencies, contact LTC marketing.Protected by U.S. Patents, including 6614313, 6342817.Applications Data Clocks for High Reliability Applications High Vibration, High Acceleration Environments Replacement for Fixed Crystal and Ceramic Oscillators

The LTC6431-20 is a gain block amplifier exhibiting excellent linearity at frequencies beyond 1000MHz and with low associated output noise.The unique combination of linearity, low noise and low power dissipation make this an ideal candidate for many signal-chain applications. The LTC6431-20 is easy to use, requiring a minimum of external components. It is internally input/output matched to 50? and it draws only 93mA from a single 5V supply.On-chip bias and temperature compensation maintain performance over environmental changes.The LTC6431-20 uses a high performance SiGe BiCMOS process for excellent repeatability compared with similar GaAs amplifiers. All A-grade LTC6431-20 devices are tested and guaranteed for OIP3 at 240MHz. The LTC6431-20 is housed in a 4mm ? 4mm 24-lead QFN package with an exposed pad for thermal management and low inductance.Applications Single-Ended IF Amplifier ADC Driver CATV

The LTC6430-20 is a differential gain block amplifier designed to drive high resolution, high speed ADCs with excellent linearity beyond 1000MHz and with low associated output noise. The LTC6430-20 operates from a single 5V power supply and consumes only 850mW.In its differential configuration, the LTC6430-20 can directly drive the differential inputs of an ADC. Using 1:2 baluns, the device makes an excellent 50? wideband balanced amplifier. While using 1:1.33 baluns, the device creates a high fidelity 40MHz to 1000MHz 75? CATV amplifier.The LTC6430-20 is designed for ease of use, requiring a minimum of support components. The device is internally matched to 100? differential source/load impedance. On-chip bias and temperature compensation ensure consistent performance over environmental changes.The LTC6430-20 uses a high performance SiGe BiCMOS process for excellent repeatability compared with similar GaAs amplifiers. All A-grade LTC6430-20 devices are tested and guaranteed for OIP3 at 380MHz. The LTC6430-20 is housed in a 4mm ? 4mm, 24-lead, QFN package with an exposed pad for thermal management and low inductance. A single-ended 50? IF gain block with similar performance is also available, see the related LTC6431-20.Applications Differential ADC Driver Differential IF Amplifier OFDM Signal Chain Amplifier 50? Balanced IF Amplifier 75? CATV Amplifier 700MHz to 800MHz LTE Amplifier Low Phase Noise Clock or LO Amplifier

The LTC2000A is a family of 16-/14-/11-bit 2.7Gsps current steering DACs with exceptional spectral purity.The single (1.35Gsps mode) or dual (2.7Gsps mode) port source synchronous LVDS interface supports data rates of up to 1.35Gbps using a 675MHz DDR data clock, which can be either in quadrature or in phase with the data. An internal synchronizer automatically aligns the data with the DAC sample clock.Additional features such as pattern generation, LVDS loopout and junction temperature sensing simplify system development and testing.A serial peripheral interface (SPI) port allows configuration and read back of internal registers. Operating from 1.86V and 3.3V supplies, the LTC2000A consumes 2.41W at 2.7Gsps and 1.43W at 1.35Gsps.Applications Broadband Communication Systems DOCSIS CMTS Direct RF Synthesis Radar Instrumentation Automatic Test Equipment

The LTC3601 is a high efficiency, monolithic synchronous buck regulator using a phase-lockable controlled on-time, current mode architecture capable of supplying up to 1.5A of output current. The operating supply voltage range is from 4V to 15V, making it suitable for a wide range of power supply applications.The operating frequency is programmable from 800kHz to 4MHz with an external resistor enabling the use of small surface mount inductors. For switching noise sensitive applications, the LTC3601 can be externally synchronized over the same frequency range. An internal phase-locked loop aligns the on-time of the top power MOSFET to the internal or external clock. This unique constant frequency/ controlled on-time architecture is ideal for high step-down ratio applications that demand high switching frequencies and fast transient response.The LTC3601 offers two operational modes: Burst Mode operation and forced continuous mode to allow the user to optimize output voltage ripple, noise, and light load efficiency for a given application. Maximum light load efficiency is achieved with the selection of Burst Mode operation while forced continuous mode provides minimum output ripple and constant frequency operation.Applications Distributed Power Systems Lithium-Ion Battery-Powered Instruments Point-of-Load Power Supply

Demonstration circuit 1367A features the LTM4615EV, a triple output μModule® regulator consisting of two switch-mode outputs and one LDO output. Each LTM4615 DC/DC converter has a separate input and enable pin. The input supply voltage is 2.5V to 5.5V and the demo board provides outputs of 1.8V @ 4A, 1.2V @ 2.5A and 1V @ 1.5A. The LTM4615's maximum load current is 4A for each switch-mode channel and 1.5A for the VLDO™ channel. However the DC1367A is configured with the LDO input supply connected to the VOUT2 whose maximum output current decreases accordingly. Derating is necessary for certain VIN, VOUT and thermal conditions.

Demonstration circuit 1368A exercises four adjustable linear regulators in parallel using the LT3080-1, which incorporates an internal ballast resistor. The ballast resistor allows direct paralleling of devices without the need for PC board resistors or sensor resistors.The paralleled devices provide up to 4.4A of output current at 1.2V. Architected as a precision current source and voltage follower, the LT3080-1 can be used in many applications requiring high current, adjustability to zero output, and no heat sink. The device brings out the collector of the pass transistor to allow low dropout operation when used with multiple supplies. The LT3080-1's output voltage can be programmed to any level between 0V and 36V; however the demo board has a reduced input voltage range from 1.7V to 25V due to the input capacitor voltage rating.

DC1369A-F: Demo Board for the LTC2256-14 14-Bit, 25Msps Ultralow Power 1.8V ADCs