USB Power Manager with High Voltage Switching Charger Features: Seamless Transition Between Power Sources: Li-Ion Battery, USB, and 6V to 36V External Supply High Efciency 1.2A Charger from 6V to 36V Input with Adaptive Output Control (LTC4089) Load Dependent Charging from USB Input Guarantees Current Compliance 215mΩ Internal Ideal Diode plus Optional External Ideal Diode Controller Provides Low Loss Power Path When External Supply/USB Not Present Constant-Current/Constant-Voltage Operation with Thermal Feedback to Maximize Charging Rate without Risk of Overheating Selectable 100% or 20% Current Limit (e.g., 500mA/100mA) from USB Input Preset 4.2V Charge Voltage with 0.8% Accuracy C/10 Charge Current Detection Output NTC Thermistor Input for Temperature Qualied Charging Tiny (6mm × 3mm × 0.75mm) 22-Pin DFN Package

Wide Input Voltage Synchronous Buck-Boost DC/DC Converter Features: Regulated Output with Input Voltages Above, Below or Equal to the Output 1.8V to 5.5V Input and 1.8V to 5.25V Output Range 250mA Continuous Output Current from 1.8V VIN 600mA Continuous/1A Peak Output Current from Li-Ion Single Inductor Synchronous Rectication: Up to 96% Efciency Programmable Automatic Burst Mode® Operation Output Disconnect in Shutdown Pin Compatible with the LTC3440 Programmable Frequency from 300kHz to 2MHz <1µA Shutdown Current Small Thermally Enhanced 10-Lead (3mm × 3mm) DFN and 10-Lead MS Packages

Isolated Module DC DC Converter 1 Output 2.5 ~ 12V 440mA 3.1V - 31V Input

2.048V, Precision Micropower, Low Dropout, Low Voltage Reference Features: Initial Accuracy: ±2 mV Max Temperature Coefficient: 5 ppm/°C Max Low Supply Current: 45 µA Max Sleep Mode: 15 µA Max Low Dropout Voltage Load Regulation: 4 ppm/mA Line Regulation: 4 ppm/V High Output Current: 30 mA Short-Circuit Protection Download REF191-EP Data Sheet (pdf) Supports defense and aerospace applications (AQEC standard) Military temperature range (−55°C to +125°C) Controlled manufacturing baseline One assembly/test site One fabrication site Product change notification Qualification data available on request

Ultralow Noise, 150 mA CMOS Linear Regulator Features: Chinese data sheet available Ultralow noise: 9 μV rms, independent of VOUT No additional noise bypass capacitor required Stable with 1 μF ceramic input and output capacitors Maximum output current: 150 mA Input voltage range: 2.2 V to 5.5 V Low quiescent current IGND = 10 μA with zero load Low shutdown current: <1 μA Low dropout voltage: 105 mV at 150 mA load Initial output voltage accuracy: ±1% Up to 14 fixed output voltage options: 1.8 V to 3.3 V PSRR performance of 70 dB at 10 kHz Current limit and thermal overload protection Logic-controlled enable 5-lead TSOT package 4-ball, 0.8 mm × 0.8 mm, 0.4 mm pitch WLCSP AEC-Q100 qualified for automotive applications

Dual 8A per Channel Low VIN DC/DC Module (Power Module) Regulator Features: Complete Dual DC/DC Regulator System Input Voltage Range: 2.7V to 5.5V Dual 8A Outputs, or Single 16A Output with a 0.6V to 5V Range Output Voltage Tracking and Margining ±1.75% Total DC Output Error (–55°C to 125°C) Current Mode Control/Fast Transient Response Power Good Tracking and Margining Overcurrent/Thermal Shutdown Protection Onboard Frequency Synchronization Spread Spectrum Frequency Modulation Multiphase Operation Selectable Burst Mode® Operation Output Overvoltage Protection SnPb (BGA) or RoHS Compliant (LGA and BGA) Finish Small Surface Mount Footprint, Low Profile (15mm × 15mm × 2.82mm) LGA and (15mm × 15mm × 3.42mm) BGA Packages

EN55022B Compliant 58V, 4A Step-Down DC/DC Module Regulator Features: Complete Low EMI Switch Mode Power Supply EN55022 Class B Compliant Wide Input Voltage Range: 3.1V to 58V Up to 4A Output Current Output Voltage Range: 0.5V ≤ VOUT ≤ 0.94 • VIN ±1.67% Total DC Output Voltage Error Over Line, Load and Temperature (–40°C to 125°C) Parallel and Current Share with Multiple LTM4653s Analog Output Current Indicator Programmable Input Voltage Limiting Constant-Frequency Current Mode Control Power Good Indicator and Programmable Soft-Start Overcurrent/Overvoltage/Overtemperature Protection 15mm × 9mm × 5.01mm BGA Package

15V, 4A Step-Up Module Regulator Features: Complete Solution in <1cm2 (Single-Sided PCB) or 0.5cm2 (Dual-Sided PCB) Input Voltage Range: 1.8V to 5.5V, Down to 0.7V After Start-Up Output Voltage Range: 2.5V to 15V 4A Switch Current Dual Phase Operation ±3% Maximum Total DC Output Voltage Regulation Over Load, Line and Temperature Output Disconnect in Shut Down Inrush Current Limit External Frequency Synchronization Selectable Burst Mode® Operation Output Overvoltage and Overtemperature Protection 6.25mm × 6.25mm × 2.42mm BGA package

Dual 50A or Single 100A Module Regulator with Digital Power System Management Features: Dual 50A or Single 100A Digitally Adjustable Outputs with Digital Interface for Control, Compensation and Monitoring Wide Input Voltage: 4.5V to 16V Output Voltage Range: 0.5V to 1.8V ~90% Full Load Efficiency from 12VIN to 1VOUT at 100A ±0.5% Maximum DC Output Error Over Temperature ±3% Current Readback Accuracy (25°C to 125°C) Integrated Input Current Sense Amplifier 400kHz PMBus-Compliant I2C Serial Interface Supports Telemetry Polling Rates Up to 125Hz Integrated 16-Bit Σ ADC Constant Frequency Current Mode Control Parallel and Current Share Multiple Modules 15mm × 22mm × 7.87mm BGA PackageReadable Data: Input and Output Voltages, Currents, and Temperatures Running Peak Values, Uptime, Faults and Warnings Internal EEPROM and Fault Logging with ECCWritable Data and Configurable Parameters: Output Voltage, Voltage Sequencing and Margining Digital Soft-Start/Stop Ramp Optimize Analog Loop Compensation OV/UV/OT, UVLO, Frequency and Phasing

Dual 5V, 2A Synchronous Step-Down DC/DCs in Tiny LQFN and WLCSP Features: Dual Outputs Each with 2A Output Current High Efficiency: 19mΩ NMOS and 75mΩ PMOS Wide Bandwidth, Fast Transient Response Switching Frequency Synchronizable Up to 3MHz VIN Range: 2.25V to 5.5V VOUT Range: 0.5V to VIN VOUT Accuracy: ±1% Low Ripple Burst Mode® Operation Peak Current Mode Control Minimum On-Time: 25ns Safely Tolerates Inductor Saturation in Overload Shutdown Current: 1.2µA Precision 400mV Enable Thresholds Internal Soft-Start and Compensation Power Good Output Low Profile, Thermally Enhanced 12-Lead 2mm × 2mm × 0.74mm LQFN and 16-Ball 1.64mm × 1.64mm × 0.5mm WLCSP Packages AEC-Q100 Qualified for Automotive Applications