Micropower Synchronous Buck-Boost DC/DC Converter Features: Single Inductor Regulated Output with Input Voltages Above, Below or Equal to the Output Wide VIN Range: 2.4V to 5.5V VOUT Range: 2.4V to 5.25V Up to 500mA Peak Output Current Synchronous Rectification: Up to 95% Efficiency Manual or Programmable Automatic Burst Mode® Operation Output Disconnect in Shutdown Programmable Oscillator: 300kHz to 2MHz Pin Compatible with LTC3440 Small Thermally Enhanced 10-Lead (3mm × 3mm) DFN and 10-Lead MSOP Packages

Dual-Input Power Manager/3.5A LiFePO4 Battery Charger with I2C Control and USB OTG Features:High Efficiency Charger Capable of 3.5A Charge CurrentCharge Control Algorithm Specifically Designed for LiFePO4 Batteries (Lithium Iron Phosphate)Monolithic Switching Regulator Makes Optimal Use of Limited Power and Thermal BudgetDual Input Overvoltage Protection ControllerPriority Multiplexing for Multiple InputsI2C/SMBus Control and Status FeedbackNTC Thermistor ADC for Temperature Dependent Charge Algorithms (JEITA)Instant-On Operation with Low BatteryBattery Ideal Diode Controller for Power ManagementUSB On-The-Go Power Delivery to the USB PortFour Float Voltage Settings (3.45V, 3.55V, 3.6V, 3.8V)28-Lead 4mm × 5mm QFN Package

40VIN, Dual 3.5A or Single 7A Silent Switcher Module Regulator Features: Two Complete Step-Down Switching Power Supplies Low Noise Silent Switcher® Architecture CISPR22 Class B Compliant Wide Input Voltage Range: 3V to 40V Wide Output Voltage Range: 0.8V to 8V 3.5A Continuous Output Current Per Channel at 12VIN, 3.3VOUT, TA = 80°C Multiphase Parallel Operation to Increase Current Selectable Switching Frequency: 200kHz to 3MHz Compact Package (9mm × 11.25mm × 3.32mm) Surface Mount BGA

20A DC/DC Module (Power Module) Step-Down Regulator Features: Complete 20A Switch Mode Power Supply 4.5V to 20V Input Voltage Range 0.6V to 5.5V Output Voltage Range ±1.5% Total DC Output Voltage Error (–40°C to 125°C) Differential Remote Sense Amplifier for Precision Regulation for (VOUT ≤ 3.3V) Current Mode Control/Fast Transient Response Parallel Current Sharing (Up to 80A) Frequency Synchronization Selectable Pulse-Skipping or Burst Mode® Operation Soft-Start/Voltage Tracking Up to 88% Efficiency (12VIN, 1.8VOUT) Overcurrent Foldback Protection Output Overvoltage Protection Internal Temperature Monitor Overtemperature Protection 15mm × 15mm × 4.32mm LGA and 15mm × 15mm × 4.92mm BGA Packages SnPb (BGA) or RoHS Compliant (LGA and BGA) Finish

20V, 5A Synchronous Step-Down Regulator Features: High Efficiency: Up to 96% 5A Output Current 4V to 20V VIN Range Integrated Power N-Channel MOSFETs (70mΩ Top and 35mΩ Bottom) Adjustable Frequency 800kHz to 4MHz PolyPhase® Operation (Up to 12 Phases) Output Tracking 0.6V ±1% Reference Accuracy Current Mode Operation for Excellent Line and Load Transient Response Shutdown Mode Draws Less Than 15μA Supply Current LTC3605: 15V Absolute Maximum VIN LTC3605A: 22V Absolute Maximum VIN The LTC3605A Is Pin Compatible with the LTC3605 Available in 24-Pin (4mm × 4mm) QFN Package

8-Channel PMBus Power System Manager Featuring Accurate Output Voltage Measurement Features: Sequence, Trim, Margin and Supervise Eight Power Supplies Manage Faults, Monitor Telemetry and Create Fault Logs PMBus™ Compliant Command Set Supported by LTpowerPlay® GUI Margin or Trim Supplies to Within 0.25% of Target Fast OV/UV Supervisors Per Channel Coordinate Sequencing and Fault Management Across Multiple LTC PSM Devices Automatic Fault Logging to Internal EEPROM Operate Autonomously without Additional Software Internal Temperature and Input Voltage Supervisors Accurate Monitoring of Eight Output Voltages, Input Voltage and Internal Die Temperature I2C/SMBus Serial Interface Can Be Powered from 3.3V, or 4.5V to 15V Programmable Watchdog Timer 100% Pin-Compatible Upgrade to the LTC2978/LTC2978A Available in 64-Pin 9mm × 9mm QFN PackageAEC-Q100 Qualified for Automotive Applications

8-Channel PMBus Power System Manager Featuring Accurate Output Voltage Measurement Features: Sequence, Trim, Margin and Supervise Eight Power Supplies Manage Faults, Monitor Telemetry and Create Fault Logs PMBus™ Compliant Command Set Supported by LTpowerPlay® GUI Margin or Trim Supplies to Within 0.25% of Target Fast OV/UV Supervisors Per Channel Coordinate Sequencing and Fault Management Across Multiple LTC PSM Devices Automatic Fault Logging to Internal EEPROM Operate Autonomously without Additional Software Internal Temperature and Input Voltage Supervisors Accurate Monitoring of Eight Output Voltages, Input Voltage and Internal Die Temperature I2C/SMBus Serial Interface Can Be Powered from 3.3V, or 4.5V to 15V Programmable Watchdog Timer 100% Pin-Compatible Upgrade to the LTC2978/LTC2978A Available in 64-Pin 9mm × 9mm QFN PackageAEC-Q100 Qualified for Automotive Applications

60V Low IQ, Dual, 2-Phase Synchronous Step-Down DC/DC Controller Features: Wide VIN Range: 4.5V to 60V (65V Abs Max) Wide Output Voltage Range: 0.8V ≤ VOUT ≤ 99% • VIN Adjustable Gate Drive Level 5V to 10V (OPTI-DRIVE) No External Bootstrap Diodes Required Low Operating IQ: 29μA (One Channel On) Selectable Gate Drive UVLO Thresholds Out-of-Phase Operation Reduces Required Input Capacitance and Power Supply Induced Noise Phase-Lockable Frequency: 75kHz to 850kHz Selectable Continuous, Pulse Skipping or Low Ripple Burst Mode® Operation at Light Loads Selectable Current Limit (LTC3892/LTC3892-2) Very Low Dropout Operation: 99% Duty Cycle Power Good Output Voltage Monitors (LTC3892/LTC3892-2) Low Shutdown IQ: 3.6μA Small 32-Lead 5mm × 5mm QFN Package (LTC3892/LTC3892-2) or TSSOP Package (LTC3892-1)

Dual Output PolyPhase Step-Down DC/DC Controller with Digital Power System Management Features: PMBus/I2C Compliant Serial Interface Telemetry Read Back includes VIN, IIN, VOUT, IOUT, Temperature and Faults Programmable Voltage, Current Limit, Digital Soft-Start/Stop, Sequencing, Margining, OV/UV and Frequency Synchronization (250kHz to 1MHz) ±0.5% Output Voltage Accuracy Over Temperature Integrated 16-Bit ADC Internal EEPROM with ECC and Fault Logging Integrated Powerful N-Channel MOSFET Gate Drivers Power Conversion Wide VIN Range: 4.5V to 24V VOUT Range: 0.5V to 5.4V (4V on VOUT0) Analog Current Mode Control Loop Accurate PolyPhase® Current Sharing for Up to 6 Phases Available in a 40-Pin (6mm × 6mm) QFN Package AEC-Q100 Qualified for Automotive Applications

60V Low IQ Synchronous Boost Controller with PassThru Features: Synchronous Operation for Highest Efficiency and Reduced Heat Dissipation Wide VIN Range: 4.5V to 60V (65V Abs Max); Operates Down to 2.3V After Start-Up Output Voltage Up to 60V ±1% 1.200V Reference Voltage RSENSE or Inductor DCR Current Sensing 100% Duty Cycle Capability for Synchronous MOSFET Low Quiescent Current: 28μA Phase-Lockable Frequency (75kHz to 850kHz) Programmable Fixed Frequency (50kHz to 900kHz) Power Good Output Voltage Monitor Low Shutdown Current: 4μA Internal LDO Powers Gate Drive from VBIAS or EXTVCC Thermally Enhanced Low Profile 24-Pin 4mm × 4mm QFN Package and 20-Lead TSSOP Package