Secondary-Side Synchronous Forward Controller Features: Secondary-Side Control for Fast Transient Response Self-Starting Architecture Eliminates Need for Separate Bias Regulator Proprietary Gate Drive Encoding Scheme Reduces System Complexity Current Mode Control Ensures Current Sharing PLL Fixed Frequency: 100kHz to 500kHz ±1% Output Voltage Accuracy OPTI-LOOP Compensation Available in a Narrow 16-Lead SSOP Package

Single Switch Synchronous Forward Controller Features: Synchronous Rectifier Control for High Efficiency Programmable Volt-Second Clamp Output Power Levels from 25W to 500W Low Current Start-Up (LT1952: 460µA; VIN On/Off = 14.25V/8.75V) (LT1952-1: 400µA; VIN On/Off = 7.75V/6.5V) True PWM Soft-Start Low Stress Short Circuit Protection Precision 107mV Current Limit Threshold Adjustable Delay for Synchronous Timing Accurate Shutdown Threshold with Programmable Hysteresis Programmable Slope Compensation Programmable Leading Edge Blanking Programmable Frequency (100kHz to 500kHz) Synchronizable to an External Clock up to 1.5 • fOSC Internal 1.23V Reference 2.5V External Reference Current Mode Control Small 16-Pin SSOP Package

37V/1.2A Step-Down Regulator in 3mm 3mm DFN Features: Wide Input Range: Operation from 3.6V to 37V Overvoltage Lockout Protects Circuit Through 55V Transients Low Minimum On-Time: Converts 16VIN to 3.3VOUT at 2MHz 1.2A Output Current Adjustable Frequency: 300kHz to 2.5MHz Constant Switching Frequency at Light Loads Tracking and Soft-Start Precision UVLO Short-Circuit Robust IQ in Shutdown <1μA Internally Compensated 10-Lead 3mm × 3mm DFN Package

12 Channel Multicell Battery Monitor with Daisy Chain Interface, Generation 1 Features: Qualified for Automotive Applications Measures Up to 12 Li-Ion Cells in Series (60V Max) Stackable Architecture Enables >1000V Systems 0.25% Maximum Total Measurement Error 13ms to Measure All Cells in a System Cell Balancing: On-Chip Passive Cell Balancing Switches Provision for Off-Chip Passive Balancing Two Thermistor Inputs Plus On-Board Temperature Sensor 1MHz Daisy-Chainable Serial Interface High EMI Immunity Delta Sigma Converter with Built-In Noise Filter Open Wire Connection Fault Detection Low Power Modes 44-Lead SSOP Package

Single 12-/10-/8-Bit I2C VOUT DACs with 10ppm/C Reference Features: Integrated Precision Reference 2.5V Full-Scale 10ppm/°C (LTC2631-L) 4.096V Full-Scale 10ppm/°C (LTC2631-H) Maximum INL Error: 1LSB (LTC2631A-12) Bidirectional Reference: Input or 10ppm/°C Output 400kHz I2C Interface Nine Selectable Addresses (LTC2631-Z) Low Noise (0.7mVP-P , 0.1Hz to 200kHz) Guaranteed Monotonic Over Temperature 2.7V to 5.5V Supply Range (LTC2631-L) Low Power Operation: 180μA at 3V Power Down to 1.8μA Maximum (C and I Grades) Power-On Reset to Zero or Mid-Scale Options Double-Buffered Data Latches Guaranteed Operation From –40°C to 125°C (H-Grade) 8-Lead TSOT-23 (ThinSOT™) Package

12-Bit, 105Msps Ultralow Power 1.8V ADCs Features: 70.8dB SNR 85dB SFDR Low Power: 124mW/103mW/87mW Single 1.8V Supply CMOS, DDR CMOS or DDR LVDS Outputs Selectable Input Ranges: 1VP-P to 2VP-P 800MHz Full-Power Bandwidth S/H Optional Data Output Randomizer Optional Clock Duty Cycle Stabilizer Shutdown and Nap Modes Serial SPI Port for Configuration Pin Compatible 14-Bit and 12-Bit Versions 40-Pin (6mm × 6mm) QFN Package

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

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

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