17V, 1A Synchronous Step-Down Regulator with 3.5A Quiescent Current Features: Wide VIN Range: 2.7V to 17V Wide VOUT Range: 0.6V to VIN 95% Max Efficiency Low IQ < 3.5μA, Zero-Current Shutdown Constant Frequency (1MHz/2.25MHz) Full Dropout Operation with Low IQ 1A Rated Output Current ±1% Output Voltage Accuracy Current Mode Operation for Excellent Line and Load Transient Response Synchronizable to External Clock Pulse-Skipping, Forced Continuous, Burst Mode® Operation Internal Compensation and Soft-Start Overtemperature Protection Compact 6-Lead DFN (2mm × 3mm) Package or Thermally-Enhanced MS8E Package with Power Good Output and Independent SGND Pin AEC-Q100 Qualified for Automotive Applications

5A Integrated Hot Swap Controller Features: Reduced 16ms Turn-On Delay Small Footprint 33mΩ MOSFET with RSENSE Wide Operating Voltage Range: 2.9V to 15V Adjustable, 10% Accurate Current Limit Current and Temperature Monitor Outputs Overtemperature Protection Adjustable Current Limit Timer Before Fault Power Good and Fault Outputs Adjustable Inrush Current Control 2% Accurate Undervoltage and Overvoltage Protection Pin Compatible with LTC4217 (DFN Package Only) Available in 16-Lead 5mm × 3mm DFN Package

Triple 10A Step-Down DC/DC Module (Power Module) Regulator Features: Three Independent 10A DC Output Current Regulator Channels Input Voltage Range: 4.7V to 16V 2.375V to 16V with External 5V Bias VOUT1,2 Voltage Range: 0.8V to 1.8V VOUT3 Voltage Range: 0.8V to 5.5V ±1.5% Maximum Total DC Output Error Current Mode Control/Fast Transient Response Frequency Synchronization Output Overvoltage and Overcurrent Protection Multiphase Operation with Current Sharing on VOUT1 and VOUT2 General Purpose Temperature Monitors Soft-Start/Voltage Tracking Power Good Monitors 15mm × 15mm × 5.01mm BGA Package

No RSENSE Current Mode Synchronous Step-Down Switching Regulator Features: Highest Efficiency Current Mode Controller No Sense Resistor Required Stable High Current Operation Dual N-Channel MOSFET Synchronous Drive Wide VIN Range: 3.7V to 36V Wide VOUT Range: 1.19V to VIN ±1% 1.19V Reference Programmable Fixed Frequency with Injection Lock Very Low Drop Out Operation: 99% Duty Cycle Forced Continuous Mode Control Pin Optional Programmable Soft Start Pin Selectable Output Voltage Foldback Current Limit Output Overvoltage Protection Logic Controlled Micropower Shutdown: IQ < 30µA Available in 16-Lead Narrow SSOP and SO Packages

42V, 4A Synchronous Step-Down Silent Switcher with 2.5A Quiescent Current Features: Silent Switcher® Architecture Ultralow EMI Emissions High Efficiency at High Frequency Up to 96% Efficiency at 1MHz, 12VIN to 5VOUT Up to 94% Efficiency at 2MHz, 12VIN to 5VOUT Wide Input Voltage Range: 3.4V to 42V Ultralow Quiescent Current Burst Mode® Operation: 2.5μA IQ Regulating 12VIN to 3.3VOUT Output Ripple < 10mVP-P Fast Minimum Switch On-Time: 30ns Low Dropout Under All Conditions: 125mV at 1A Safely Tolerates Inductor Saturation in Overload Adjustable and Synchronizable: 200kHz to 3MHz Peak Current Mode Operation Accurate 1V Enable Pin Threshold Internal Compensation Output Soft-Start and Tracking Small 18-Lead 3mm × 4mm QFN AEC-Q100 Qualified for Automotive Applications

35V/3.2A Lead-Acid Step-Down Battery Charger with PowerPath and I2C Telemetry Features: Lead-Acid Battery Charger with Absorb and Equalize Wide Charging Input Voltage Range: 4.5V to 35V High Efficiency Synchronous Operation 16-Bit Digital Telemetry System Monitors VBAT, IBAT, RBAT, TBAT, TDIE, VIN, IIN, VOUT Charges 6V, 12V, 18V and 24V Lead-Acid Batteries Input Undervoltage Charge Current Limit Loop Input MPPT for Solar Panel Inputs Input Current Limit Prioritizes System Load Output Low Loss PowerPath™ Instant-On Operation with Discharged or Missing Battery Temperature Controlled Charging Pin Compatible with Li-Ion and LiFePO4 Versions

Dual 9A or Single 18A Module Regulator with Digital Power System Management Features: Dual, Fast, Analog Loops with Digital Interface for Control and Monitoring Wide Input Voltage Range: 4.5V to 17V Output Voltage Range: 0.5V to 5.5V ±0.5% Maximum DC Output Error Over Temperature ±2.5% Current Readback Accuracy at 9A Load 400kHz PMBus-Compliant I2C Serial Interface Integrated 16-Bit Σ ADC Supports Telemetry Polling Rates Up to 125Hz Constant Frequency Current Mode Control Parallel and Current Share Multiple Modules All 7-Bit Slave Addresses Supported Drop-In Pin-Compatible to Dual 13A LTM4676A and Dual 18A LTM4677 16mm × 11.9mm × 3.51mm BGA Package Readable Data: Input and Output Voltages, Currents, and Temperatures Running Peak Values, Uptime, Faults and Warnings Onboard EEPROM Fault Log Record with ECC Writable Data and Configurable Parameters: Output Voltage, Voltage Sequencing and Margining Digital Soft-Start/Stop Ramp OV/UV/OT, UVLO, Frequency and Phasing

Dual 9A or Single 18A Module Regulator with Digital Power System Management Features: Dual, Fast, Analog Loops with Digital Interface for Control and Monitoring Wide Input Voltage Range: 4.5V to 17V Output Voltage Range: 0.5V to 5.5V ±0.5% Maximum DC Output Error Over Temperature ±2.5% Current Readback Accuracy at 9A Load 400kHz PMBus-Compliant I2C Serial Interface Integrated 16-Bit Σ ADC Supports Telemetry Polling Rates Up to 125Hz Constant Frequency Current Mode Control Parallel and Current Share Multiple Modules All 7-Bit Slave Addresses Supported Drop-In Pin-Compatible to Dual 13A LTM4676A and Dual 18A LTM4677 16mm × 11.9mm × 3.51mm BGA Package Readable Data: Input and Output Voltages, Currents, and Temperatures Running Peak Values, Uptime, Faults and Warnings Onboard EEPROM Fault Log Record with ECC Writable Data and Configurable Parameters: Output Voltage, Voltage Sequencing and Margining Digital Soft-Start/Stop Ramp OV/UV/OT, UVLO, Frequency and Phasing

Quad Voltage Monitor and Sequencer Features: Powered from 2.7 V to 5.5 V on the VCC pin Logical core with internal timeouts provides power supply sequencing and fault protection 4 inputs can be programmed to monitor different voltage levels with resistor dividers Monitors 4 supplies via 0.8% accurate comparators 3 open-drain enable outputs Open-drain power-good output (PWRGD) 10-lead MSOP

Hot Swap Controller and Digital Power and Energy Monitor with PMBus Interface Features: ±0.3% accurate, 12-bit ADC for IOUT, VIN, VOUT, and temperature 320 ns response time to short circuit Shutdown on detection of FET health fault Constant power foldback for tighter FET SOA protection Remote temperature sensing with programmable warning and shutdown thresholds Resistor-programmable 5 mV to 25 mV VSENSE current limit Programmable start-up current limit 1% accurate UV, OV, and PWRGD thresholds Split hot swap and power monitor inputs to allow additional external ADC filtering Reports power and energy consumption over time Peak detect registers for current, voltage, and power PROCHOT power throttling capability PMBus fast mode compliant interface 5 mm × 5 mm, 32-lead LFCSP