Ultralow Power Boost Converter with Output Disconnect Features: Ultralow Quiescent Current 8.5μA in Active Mode 0μA in Shutdown Mode Comparator Built into SHDN pin Low Noise Control Scheme Adjustable FB reference voltage Wide Input Range: 2.5V to 16V Wide Output Range: Up to 40V Integrated Power NPN Switch 25mA Current Limit (LT8410) 8mA Current Limit (LT8410-1) Integrated Schottky Diode Integrated Output Disconnect High Value (12.4M/0.4M) Feedback Resistors Integrated Built in Soft-Start (Optional Capacitor from VREF to GND) Overvoltage Protection for CAP and VOUT pins Tiny 8-Pin 2mm × 2mm DFN package

1.2A, Step-Down Switching Regulator in 3mm 3mm DFN Features: Wide Input Range: 3.6V to 36V Operating, 40V Maximum Up to 1.2A Output Current Resistor-Programmable Fixed-Frequency Operation from 200kHz to 3MHz Output Adjustable Down to 780mV Short-Circuit Robust Uses Tiny Capacitors and Inductors Soft-Start Low Shutdown Current: <2µA Low VCESAT Switch: 350mV at 1A Thermally Enhanced, Low Profile 3mm x 3mm DFN-8 and MSOP-8 Packages

Monolithic Dual Tracking 3.5A Step-Down Switching Regulator Features: Wide Input Range: Operation from 3V to 36V OVLO Protects Circuit Through 60V Transients Independent Supply, Shutdown, Soft-Start, UVLO, Programmable Current Limit and Programmable Power Good for Each 3.5A Regulator Die Temperature Monitor Adjustable/Synchronizable Fixed Frequency Operation from 250kHz to 2.25MHz with Synchronized Clock Output Independent Synchronized Switching Frequencies Optimize Component Size Antiphase Switching Outputs Can Be Paralleled Flexible Output Voltage Tracking Low Dropout: 95% Maximum Duty Cycle 5mm × 5mm QFN Package FMEA Compliant 38-Pin Exposed Pad TSSOP Package

High Efficiency Low Noise Synchronous Step-Down Switching Regulators Features: Maintains Constant Frequency at Low Output Currents Programmable Fixed Frequency (PLL Lockable) Wide VIN Range: 3.5V to 36V Operation Low Minimum On-Time (≤300ns) for High Frequency, Low Duty Cycle Applications Dual N-Channel MOSFET Synchronous Drive Very Low Dropout Operation: 99% Duty Cycle Low Dropout, 0.5A Linear Regulator for CPU I/O or Low Noise Audio Supplies Built-In Power-On Reset Timer Programmable Soft Start Low-Battery Detector Remote Output Voltage Sense Foldback Current Limiting (Optional) Pin Selectable Output Voltage Logic Controlled Micropower Shutdown: IQ < 25µA Output Voltages from 1.19V to 9V Available in 24-Lead Narrow SSOP and 28-Lead SSOP Packages

1.5A, 15V Monolithic Synchronous Step-Down Regulator Features: 4V to 15V Operating Input Voltage Range 1.5A Output Current Up to 96% Efficiency Very Low Duty Cycle Operation: 5% at 2.25MHz Adjustable Switching Frequency: 800kHz to 4MHz External Frequency Synchronization Current Mode Operation for Excellent Line and Load Transient Response User Selectable Burst Mode® (No Load IQ = 300μA) or Forced Continuous Operation 0.6V Reference Allows Low Output Voltages Short-Circuit Protected Output Voltage Tracking Capability Programmable Soft-Start Power Good Status Output Available in Small, Thermally Enhanced, 16-Pin QFN (3mm × 3mm) and MSOP Packages

4A, 4MHz Monolithic Synchronous Step-Down DC/DC Converter Features:4A Output Current2.25V to 5.5V Input Voltage RangeLow Output Ripple Burst Mode® Operation: IQ = 75μA±1% Output Voltage AccuracyOutput Voltage Down to 0.6VHigh Efficiency: Up to 95%Low Dropout Operation: 100% Duty CycleProgrammable Slew Rate on SW Node Reduces Noise and EMIAdjustable Switching Frequency: Up to 4MHzOptional Active Voltage Positioning (AVP) with Internal CompensationSelectable Pulse-Skipping/Forced Continuous/Burst Mode Operation with Adjustable Burst ClampProgrammable Soft-StartInputs for Start-Up Tracking or External ReferenceDDR Memory Mode, IOUT = ±3AAvailable in a 24-Pin 3mm × 5mm QFN Thermally Enhanced Package

Independent Multicell Battery Stack Fault Monitor Features: Qualified for Automotive Applications Monitors Up to 12 Li-Ion Cells in Series (60V Max) Stackable Architecture Enables > 1000V Systems 1% Maximum Overvoltage Detection Level Error Adjustable Overvoltage and Undervoltage Detection Self Test Features Guarantee Accuracy Robust Fault Detection Using Differential Signals Simple Pin-Strapped Configuration Allows Battery Monitoring without a Microcontroller 15.5ms to Monitor All Cells in a System Programmable Response Time Two Temperature Monitor Inputs Low Power Idle Mode 36-Lead SSOP Package

Dual 13A or Single 26A DC/DC Module (Power Module) Regulator Features: Complete Standalone Dual Output Power Supply Dual 13A or Single 26A Output Wide Input Voltage Range: 4.5V to 16V Output Voltage Range: 0.6V to 2.5V ±1.5% Maximum Total DC Output Error Multiphase Current Sharing with Multiple LTM4620s Up to 100A Differential Remote Sense Amplifier Current Mode Control/Fast Transient Response Adjustable Switching Frequency Overcurrent Foldback Protection Frequency Synchronization Internal Temperature Monitor Output Overvoltage Protection SnPb or RoHS Compliant Finish Thermally Enhanced (15mm × 15mm × 4.41mm) LGA Package and (15mm × 15mm × 5.01mm) BGA Package

Low IQ, Dual 2-Phase Synchronous Step-Down Controller Features: Low Operating IQ: 170μA (One Channel On) Wide Output Voltage Range: 0.8V ≤ VOUT ≤ 24V Wide VIN Range: 4V to 38V RSENSE or DCR Current Sensing Out-of-Phase Controllers Reduce Required Input Capacitance and Power Supply Induced Noise OPTI-LOOP® Compensation Minimizes COUT Phase-Lockable Frequency (75kHz-850kHz) Programmable Fixed Frequency (50kHz-900kHz) Selectable Continuous, Pulse-Skipping or Burst Mode® Operation at Light Loads Very Low Dropout Operation: 99% Duty Cycle Adjustable Output Voltage Soft-Start Power Good Output Voltage Monitor Output Overvoltage Protection Output Latch-Off Protection During Short Circuit Low Shutdown IQ: 8μA Internal LDO Powers Gate Drive from VIN or EXTVCC No Current Foldback During Start-Up Small 5mm × 5mm QFN Package

High Efficiency, Synchronous, 4-Switch Buck-Boost Controller Features: Single Inductor Architecture Allows VIN Above, Below or Equal to the Regulated VOUT Programmable Input or Output Current Wide VIN Range: 4V to 38V 1% Output Voltage Accuracy: 0.8V < VOUT < 38V Synchronous Rectification: Up to 98% Efficiency Current Mode Control Phase-Lockable Fixed Frequency: 200kHz to 600kHz No Reverse Current During Start-Up Power Good Output Voltage Monitor Internal 5.5V LDO Quad N-Channel MOSFET Synchronous Drive VOUT Disconnected from VIN During Shutdown True Soft-Start and VOUT Short Protection, Even in Boost Mode Available in 28-Lead QFN (4mm × 5mm) and 28-Lead SSOP Packages