USB 5V 2.5A Output, 42V Input Synchronous Buck with Cable Drop Compensation Features: Wide Input Range: 5V to 42V Low Dropout Under All Conditions: 450mV at 2.1A Accurate 5V Output: ±1.3% Over Full Temperature Range Programmable Cable Drop Compensation Programmable Output Current Limit Output Current Monitor Dual Input Feedback Permits Regulation on Output of USB Switch Forced Continuous Mode for Fast Load Step Response High Efficiency Synchronous Operation at 2MHz: 93% Efficiency at 2.1A, 5VOUT from 12VIN 95% Efficiency at 0.9A, 5VOUT from 12VIN Fast Minimum Switch-On Time: 45ns Adjustable Output from 5.0V to 5.25V Adjustable and Synchronizable: 300kHz to 2.2MHz Small Thermally Enhanced 3mm × 5mm 24-Lead QFN Package

80V VIN and VOUT Synchronous 4-Switch Buck-Boost DC/DC Controller Features:Single Inductor Allows VIN Above, Below, or Equal to Regulated VOUTVIN Range 2.8V (Need EXTVCC > 6.4V) to 80VVOUT Range: 1.3V to 80VQuad N-Channel MOSFET Gate DriversSynchronous Rectification: Up to 98% EfficiencyInput and Output Current Monitor PinsSynchronizable Fixed Frequency: 100kHz to 400kHzIntegrated Input Current, Input Voltage, Output and Output Voltage Feedback LoopsClock Output Usable To Monitor Die TemperatureAvailable in 38-Lead (5mm × 7mm) QFN and TSSOP Packages with the TSSOP Modified for Improve Voltage Operation

80V VIN and VOUT Synchronous 4-Switch Buck-Boost DC/DC Controller Features:Single Inductor Allows VIN Above, Below, or Equal to Regulated VOUTVIN Range 2.8V (Need EXTVCC > 6.4V) to 80VVOUT Range: 1.3V to 80VQuad N-Channel MOSFET Gate DriversSynchronous Rectification: Up to 98% EfficiencyInput and Output Current Monitor PinsSynchronizable Fixed Frequency: 100kHz to 400kHzIntegrated Input Current, Input Voltage, Output and Output Voltage Feedback LoopsClock Output Usable To Monitor Die TemperatureAvailable in 38-Lead (5mm × 7mm) QFN and TSSOP Packages with the TSSOP Modified for Improve Voltage Operation

80V Synchronous 4-Switch Buck-Boost DC/DC Slave Controller for LT8708 Multiphase System Features: Slave Chip of LT8708 to Deliver Additional Power Good Current Matching to the Average Output Current of LT8708 Through Current Regulation Easily Paralleled with LT8708 Through Four Pins Synchronized Start-Up with LT8708 Same Conduction Modes as LT8708 Synchronous Rectification: Up to 98% Efficiency Frequency Range: 100kHz to 400kHz Available in 40-Lead (5mm × 8mm) QFN with High Voltage Pin Spacing and 64-Lead (10mm × 10mm) eLQFP AEC-Q100 in Progress

80V Synchronous 4-Switch Buck-Boost DC/DC Controller with Bidirectional Capability Features: Single Inductor Allows VIN Above, Below, or Equal to VOUT Six Independent Forms of Regulation VIN Current (Forward and Reverse) VOUT Current (Forward and Reverse) VIN and VOUT Voltage Forward and Reverse Discontinuous Conduction Mode Supported Supports MODE and DIR Pin Changes While Switching VINCHIP Range 2.8V (Need EXTVCC > 6.4V) to 80V VOUT Range: 1.3V to 80V Synchronous Rectification: Up to 99% Efficiency Available in 40-Lead (5mm × 8mm) QFN with High Voltage Pin Spacing and 64-Lead (10mm × 10mm) eLQFP AEC-Q100 in Progress

80V Synchronous 4-Switch Buck-Boost DC/DC Slave Controller for LT8708 Multiphase System Features: Slave Chip of LT8708 to Deliver Additional Power Good Current Matching to the Average Output Current of LT8708 Through Current Regulation Easily Paralleled with LT8708 Through Four Pins Synchronized Start-Up with LT8708 Same Conduction Modes as LT8708 Synchronous Rectification: Up to 98% Efficiency Frequency Range: 100kHz to 400kHz Available in 40-Lead (5mm × 8mm) QFN with High Voltage Pin Spacing and 64-Lead (10mm × 10mm) eLQFP AEC-Q100 in Progress

Negative Input Synchronous Multi-Topology DC/DC Controller Features: Wide Negative Input Range: –4.5V to –80V Rail-to-Rail Output Current Monitor and Control Input Voltage Regulation for High Impedance Inputs Power Good Indication Pin MODE Pin for Forced CCM (Continuous Conduction Mode) or Pulse-Skipping/DCM (Discontinuous Conduction Mode) Operation Switching Frequency Up to 750kHz Easily Configurable as a Buck, Boost, Buck-Boost, or Inverting Converter with a Single Feedback Pin Can be Synchronized to an External Clock High Gain EN/FBIN Pin Accepts Slowly Varying Input Signals 20-Lead TSSOP Package

Synchronous SEPIC/Inverting/Boost Controller with Output Current Control Features: Wide Input Range: 4.5V to 80V Rail-to-Rail Output Current Monitor and Control Input Voltage Regulation for High Impedance Inputs C/10 or Power Good Indication Pin MODE Pin for Forced CCM or Pulse-Skipping Operation Switching Frequency Up to 750kHz Easily Configurable as a Boost, SEPIC, Inverting or Flyback Converter with Single Feedback Pin Can Be Synchronized to External Clock High Gain EN/FBIN Pin Accepts Slowly Varying Input Signals 20-Lead TSSOP Package

LDO Voltage Regulators Linear LDO reg Hi 9A Iq 150mA Iout

Supervisory Circuits Voltage Detector 0.35uA Iq