Switching Voltage Regulators 3.3/5V or Adjustable Step-Up Step-Down

20 V, 500 mA, Low Noise LDO Regulator with Soft Start Features: Input voltage range: 3.3 V to 20 V Maximum output current: 500 mA Low noise: 15 μV rms for fixed output versions PSRR performance of 60 dB at 10 kHz, VOUT = 3.3 V Reverse current protection Low dropout voltage: 350 mV at 500 mA Initial accuracy: ±0.8% Accuracy over line, load, and temperature −2% to +1%, TJ = −40°C to +125°C −1.25% to +1%, TJ = 0°C to +85°C Low quiescent current: 900 μA at VIN = 10 V, IOUT = 500 mA Low shutdown current: <50 μA at VIN = 12 V, stable with small 1 μF ceramic output capacitor 3 fixed output voltage options: 1.8, 3.3 V and 5 V Adjustable output from 1.22 V to 19 V Programmable soft start for inrush current control Foldback current-limit and thermal overload protection User programmable precision UVLO/enable Power-good indicator 8-lead LFCSP and 8-lead SOIC 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

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

POWER MANAGEMENT - DC / DC;

POWER MANAGEMENT - DC / DC;

POWER MANAGEMENT - DC / DC;