The LTM4678 is a dual 25A or single 50A step-down µModule®(power module) DC/DC regulator featuring remote configurability and telemetry-monitoring of power management parameters over PMBus—an open standard I2C-based digital interface protocol . The LTM4678 is comprised of digitally programmable analog control loops, precision mixed-signal circuitry, EEPROM, power MOSFETs, inductors and supporting components.The LTM4678’s 2-wire serial interface allows outputs to be margined, tuned and ramped up and down at programmable slew rates with sequencing delay times. True input current sense, output currents and voltages, output power, temperatures, uptime and peak values are readable. Custom configuration of the EEPROM contents is not required. At start-up, output voltages, switching frequency, and channel phase angle assignments can be set by pin-strapping resistors. The LTpowerPlay®GUI and DC1613 USB-to-PMBus converter and demo kits are available.The LTM4678 is offered in a 16mm × 16mm × 5.86mm CoP-BGA package available with SnPb or RoHS compliant terminal finish.APPLICATIONSSystem Optimization, Characterization and Data Mining in Prototype, Production and Field Environments

The LTM4680 is a dual 30A or single 60A step-down µModule®(power module) DC/DC regulator featuring remote configurability and telemetry-monitoring of power management parameters over PMBus—an open standard I2C-based digital interface protocol. The LTM4680 is comprised of digitally programmable analog control loops, precision mixed-signal circuitry, EEPROM, power MOSFETs, inductors and supporting components.The LTM4680’s 2-wire serial interface allows outputs to be margined, tuned and ramped up and down at programmable slew rates with sequencing delay times. True input current sense, output currents and voltages, output power, temperatures, uptime and peak values are readable. Custom configuration of the EEPROM contents is not required. At start-up, output voltages, switching frequency, and channel phase angle assignments can be set by pin-strapping resistors. The LTpowerPlay®GUI and DC1613 USB-to-PMBus converter and demo kits are available.The LTM4680 is offered in a 16mm × 16mm × 7.82mm BGA package available with SnPb or RoHS compliant terminal finish. Pin compatible with LTM4678.APPLICATIONSSystem Optimization, Characterization and Data Mining in Prototype, Production and Field Environments

The LTM4681 is a quad 31.25A or single 125A stepdown μModule®(power module) DC/DC regulator featuring remote configurability and telemetry-monitoring of power management parameters over PMBus. The LTM4681 is comprised of digitally programmable analog control loops, precision mixed-signal circuitry, EEPROM, power MOSFETs, inductors and supporting components.The LTM4681’s 2-wire serial interface allows outputs to be margined, tuned and ramped up and down at programmable slew rates with sequencing delay times. True input current sense, output currents and voltages, output power, temperatures, uptime and peak values are readable. Custom configuration of the EEPROM contents is not required. At start-up, output voltages, switching frequency, and channel phase angle assignments can be set by pinstrapping resistors. The LTpowerPlay®GUI and DC1613 USB-to-PMBus converter and demo kits are available.The LTM4681 is offered in a 15mm × 22mm × 8.17mm BGA package available with SnPb or RoHS compliant terminal finish.APPLICATIONSMulti-Rail Processor Power, Configurable Core Power

The LTM4683 is a quad 31.25A or single 125A stepdown μModule®(power micromodule) DC/DC regulator featuring remote configurability and telemetry monitoring of power management parameters over PMBus. The LTM4683 is comprised of digitally programmable analog control loops, and is optimized for higher bandwidth and transient response.The LTM4683's 2-wire serial interface allows outputs to be margined, tuned, and ramped up and down at programmable slew rates with sequencing delay times. True input current sense, output currents and voltages, output power, temperatures, uptime and peak values are readable. Custom configuration of the EEPROM contents is not required. At start-up, output voltages, switching frequency, and channel phase angle assignments can be set by pin-strapping resistors. The LTpowerPlay®graphical user interface (GUI), DC1613A USB-to-PMBus converter, and evaluation kits are available.The LTM4683 is offered in a 15mm × 22mm × 5.71mm BGA package available with a RoHS-compliant terminal finish.APPLICATIONSMulti-Rail Processor Power, Configurable Core Power

The LTM4686 is a dual 10A (12A Peak) or single 20A (24A Peak) step-down µModule®(micromodule) DC/DC regulator with 39ms turn-on time. It features remote configurability and telemetry-monitoring of power management parameters over PMBus—an open standard I2C-based digital interface protocol . The LTM4686 is comprised of fast analog control loops, precision mixed-signal circuitry, EEPROM, power MOSFETs, inductors and supporting components.The LTM4686’s 2-wire serial interface enables voltage margining and sequencing, and telemetry readback of currents, voltages, power, temperature, uptime and peak values. Pin-strap resistors configure start-up settings. The LTpowerPlay™GUI, DC1613 USB-to-PMBus converter, DC2086 programming adapter and demo kits are available. Applications running from 5VINor supplying 5VAUXto SVINshould use LTM4686-1. Otherwise, use LTM4686.Pb-free and RoHS compliant, the LTM4686 is available in a 16mm × 11.9mm × 1.82mm LGA package.ApplicationsSystem Optimization in Prototype and Production

The LTM4691 is a complete dual 2A output switching mode DC/DC power supply in a tiny 3mm × 4mm × 1.18mm LGA package and a 3mm × 4mm × 1.48mm BGA package. Included in the package are the switching controller, power FETs, inductors and all supporting components. Operating over an input voltage range of 2.25V to 3.6V, the LTM4691 supports two outputs with programmable output voltage range from 0.5V to 2.5V set by external resistors. Its high efficiency design delivers up to 2A continuous current on each output. Only bulk input and output capacitors are needed.The LTM4691 operates in forced continuous mode for low noise pulse-skipping mode or Burst Mode operation for high efficiency at lights loads. The typical buck switching frequency is 2MHz and can be synchronized from 1MHz to 3MHz. Its high switching frequency and a current mode architecture enables a very fast transient response to line and load changes without sacrificing stability.Other features include precision run thresholds, a PGOOD signal, output overvoltage protection, thermal shutdown and output short-circuit protection. The LTM4691 is Pb-free and RoHS compliant.ApplicationsTelecom, Networking and Industrial EquipmentPoint-of-Load RegulationFPGA, ASIC Core Supplies

The LTM4710-1 is a quad DC/DC step-down μModule (micromodule) regulator with 8A per output. The package includes the switching controllers, the power MOSFETs, inductors and all supported components. Operating over an input voltage range of 2.5V to 5.5V. Channel 1’s output voltage can be set by only one external resistor, where the outputs for channel 2, channel 3, and channel 4 can be set by two external resistors. All output voltages are programmable up to 3.6V.The LTM4710-1 employs Silent Switcher 2 architecture with internal hot loop bypass capacitors to achieve both low Electromagnetic Interference (EMI) and high efficiency. The LTM4710-1 is packaged in a compact (6mm × 12mm × 3.54mm) LGA with presolder package and is RoHS compliant.APPLICATIONSOptical CommunicationsMulti-Rail Point-of-Load RegulationField Programmable Gate Arrays (FPGAs), Digital signal processing (DSPs) and Application Specific Integrated Circuits (ASICs) ApplicationsTelecom, Datacom, Networking System

The LTM4712 is a high efficiency buck-boost μModule®(micromodule) regulator. The switching controller, power switches, inductor and support components are included in the package. The complete design requires only a few external components, including a resistor to set frequency, a resistor to set output voltage, input, and output capacitors, a sensing resistor to achieve input or output average current regulation. The LTM4712 operates over a 5V to 36V input voltage range and can regulate output voltages between 1V and 36V.The LTM4712 supports selectable forced continuous mode (FCM)/pulse-skipping mode (PSM) operation. The current mode control enables a fast transient response to line and load changes without sacrificing stability. The SYNC input and CLKOUT output allow easy synchronization. It supports multi-phase parallel operation for high power applications.The LTM4712 is offered in a 16mm × 16mm × 8.34mm ball grid array (BGA) package suitable for automated assembly by standard surface mount equipment. The LTM4712 is RoHS-compliant.APPLICATIONSTelecom, Servers and Networking EquipmentIndustrial ControlHigh Power Battery-Operated Devices