isoSPI Isolated Communications Interface Features: AEC-Q100 Qualified for Automotive Applications 1Mbps Isolated SPI Data Communications Simple Galvanic Isolation Using Standard Transformers Bidirectional Interface Over a Single Twisted Pair Supports Cable Lengths Up to 100 Meters Very Low EMI Susceptibility and Emissions Configurable for High Noise Immunity or Low Power Engineered for ISO26262 Compliant Systems Requires No Software Changes in Most SPI Systems Ultralow, 2µA Idle Current Automatic Wake-Up Detection Operating Temperature Range: –40°C to 125°C 2.7V to 5.5V Power Supply Interfaces to All Logic from 1.7V to 5.5V Available in 16-Lead QFN and MSOP Packages

Micropower, 600kHz PWM DC/DC Converters Features: 100µA Quiescent Current Operates with VIN as Low as 1.5V 600kHz Fixed Frequency Operation Starts into Full Load Low-Battery Detector Active in Shutdown Automatic Burst Mode Operation at Light Load (LT1317) Continuous Switching at Light Loads (LT1317B) Low VCESAT Switch: 300mV at 500mA Pin for Pin Compatible with the LT1307/LT1307B

Low Phase Noise, Triple Output Clock Distribution Divider/Driver Features: Low Noise Clock Distribution: Suitable for High Speed/High Resolution ADC Clocking Additive Jitter < 20fsRMS (12kHz to 20MHz) Additive Jitter < 85fsRMS (10Hz to Nyquist) 1.8GHz Maximum Input Frequency (LTC6954-1 When DELAY = 0) 1.4GHz Maximum Input Frequency (LTC6954-1 When DELAY > 0, LTC6954-2, -3, -4) EZSync™ Clock Synchronization Compatible Three Independent, Low Noise Outputs Four Output Combinations Available Three Independent Programmable Dividers Covering All Integers From 1 to 63 Three Independent Programmable Delays Covering All Integers From 0 to 63 –40°C to 105°C Junction Temperature Range

SPI/Digital or I2C Module Isolator Features: 6-Channel Logic Isolator: 3500VRMS for 1 Minute UL-CSA Recognized File #E151738 3V to 5.5V Supply Operation No External Components Required SPI/Digital (LTM2892-S) or I2C (LTM2892-I) Options High Common Mode Transient Immunity: 50kV/μs High Speed Operation: 10MHz Digital Isolation 4MHz/8MHz SPI Isolation 400kHz I2C Isolation Operation Up to 125°C (H-Grade) 1.62V to 5.5V Logic Supplies for Flexible Digital Interfacing ±15kV ESD HBM Across the Isolation Barrier Maximum Continuous Working Voltage: 850VPEAK Low Current Shutdown Mode (<10μA) Small (9mm × 6.25mm × 2.91mm) BGA Package

Dual, Multiphase Current Mode Synchronous Controller for Sub-Milliohm DCR Sensing Features:Sub-Milliohm DCR Current SensingOperates with Power Blocks, DRMOS or External Gate Drivers and MOSFETsSupports Phase Shedding and N+1 Phase RedundancyProgrammable DCR Temperature Compensation±0.75% Maximum Total DC Output Error Over TemperatureDual Differential Remote Output Voltage Sense AmplifiersPhase-Lockable Fixed Frequency Range: 200kHz to 1.2MHzVIN Range: 4.5V to 38VVOUT Range: 0.6V to 3.5VSupports Smooth Start-Up into Pre-Biased OutputsProgrammable Soft-Start or VOUT TrackingHiccup Mode/Soft Recovery from Output Overcurrent36-Lead (5mm × 6mm) QFN Package

Multi-Phase Current Mode Step-Up DC/DC Controller Features: Wide VIN Range: 5.5V to 36V Operation 2-Phase Operation Reduces Input and Output Capacitance Fixed Frequency, Peak Current Mode Control Internal 10V LDO Regulator Lower UVLO Thresholds Allows the Use of MOSFETs Rated at 6V VGS Adjustable Slope Compensation Gain Adjustable Max Duty Cycle (Up to 96%) Adjustable Leading Edge Blanking ±1% Internal Voltage Reference Programmable Operating Frequency with One External Resistor (75kHz to 500kHz) Phase-Lockable Fixed Frequency 50kHz to 650kHz SYNC Input and CLKOUT for 2-, 3-, 4-, 6- or 12-Phase Operation (PHASEMODE Programmable) 24-Lead Narrow SSOP Package 5mm × 5mm QFN Package with 0.65mm Lead Pitch 24-Lead Thermally Enhanced TSSOP Package

42V, 6A Synchronous Step-Down Regulator with 3A Quiescent Current Features: Wide Input Voltage Range: 3.4V to 42V Ultralow Quiescent Current Burst Mode® Operation: 3μA IQ Regulating 12VIN to 3.3VOUT Output Ripple < 10mVP-P High Efficiency Synchronous Operation: 95% Efficiency at 3A, 5VOUT from 12VIN 94% Efficiency at 3A, 3.3VOUT from 12VIN Fast Minimum Switch-On-Time: 40ns Low Dropout Under All Conditions: 250mV at 3A Allows Use Of Small Inductors Safely Tolerates Inductor Saturation in Overload Conditions Adjustable and Synchronizable: 200kHz to 2.2MHz Current Mode Operation Accurate 1V Enable Pin Threshold Internal Compensation Output Soft-Start and Tracking Small Thermally Enhanced 3mm × 6mm 28-Lead QFN Package AEC-Q100 Qualified for Automotive Applications

60VIN LED Converter with Internal PWM Generator Features: 3000:1 True Color PWM™ Dimming for LEDs Wide VIN Range: 4.5V to 60V Rail-to-Rail Current Sense Range: 0V to 80V Internal 80V/3.5A Switch Programmable PWM Dimming Signal Generator Constant Current (±3%) and Constant-Voltage (±2%) Regulation Accurate Analog Dimming Drives LEDs in Boost, SEPIC, CUK, Buck Mode, Buck-Boost Mode, or Flyback Configuration Output Short-Circuit Protected Boost Open LED Protection and Reporting Adjustable Switching Frequency: 100kHz to 1MHz Programmable VIN UVLO with Hysteresis C/10 Indication for Battery Chargers Low Shutdown Current: <1μA Thermally Enhanced 5mm × 6mm QFN Package

High Current Hot Swap Controller with I2C Compatible Monitoring Features: Allows Safe Board Insertion Into Live Backplane 12-/16-Bit ADC with ±0.9% Total Unadjusted Error Monitors Current, Voltage, Power and Energy Controls Two Parallel N-Channel MOSFETs for SOA Sharing in High Current Applications Internal EEPROM for Nonvolatile Configuration Wide Operating Voltage Range: 2.9V to 33V I2C/SMBus Digital Interface (Coexists with PMBus Devices) 12V Gate Drive for Lower MOSFET RDS(ON) Programmable Current Limit with 2% Accuracy MOSFET Power Limiting with Current Foldback Continuously Monitors MOSFET Health Stores Minimum and Maximum Measurements Alerts When Alarm Thresholds Exceeded Input Overvoltage and Undervoltage Protection Internal ±5% or External Timebases 32-Pin 5mm × 5mm QFN Package AEC-Q100 Qualified for Automotive Applications

8-Channel PMBus Power System Manager Featuring Accurate Output Voltage Measurement Features: Sequence, Trim, Margin and Supervise Eight Power Supplies Manage Faults, Monitor Telemetry and Create Fault Logs PMBus™ Compliant Command Set Supported by LTpowerPlay® GUI Margin or Trim Supplies to Within 0.25% of Target Fast OV/UV Supervisors Per Channel Coordinate Sequencing and Fault Management Across Multiple LTC PSM Devices Automatic Fault Logging to Internal EEPROM Operate Autonomously without Additional Software Internal Temperature and Input Voltage Supervisors Accurate Monitoring of Eight Output Voltages, Input Voltage and Internal Die Temperature I2C/SMBus Serial Interface Can Be Powered from 3.3V, or 4.5V to 15V Programmable Watchdog Timer 100% Pin-Compatible Upgrade to the LTC2978/LTC2978A Available in 64-Pin 9mm × 9mm QFN PackageAEC-Q100 Qualified for Automotive Applications