60V Low IQ, Dual, 2-Phase Synchronous Step-Down DC/DC Controller Features: Wide VIN Range: 4.5V to 60V (65V Abs Max) Wide Output Voltage Range: 0.8V ≤ VOUT ≤ 99% • VIN Adjustable Gate Drive Level 5V to 10V (OPTI-DRIVE) No External Bootstrap Diodes Required Low Operating IQ: 29μA (One Channel On) Selectable Gate Drive UVLO Thresholds Out-of-Phase Operation Reduces Required Input Capacitance and Power Supply Induced Noise Phase-Lockable Frequency: 75kHz to 850kHz Selectable Continuous, Pulse Skipping or Low Ripple Burst Mode® Operation at Light Loads Selectable Current Limit (LTC3892/LTC3892-2) Very Low Dropout Operation: 99% Duty Cycle Power Good Output Voltage Monitors (LTC3892/LTC3892-2) Low Shutdown IQ: 3.6μA Small 32-Lead 5mm × 5mm QFN Package (LTC3892/LTC3892-2) or TSSOP Package (LTC3892-1)

High Efficiency, Secondary-Side Synchronous Forward Controller Features: Direct Flux Limit™ Guarantees No Saturation Fast and Accurate Average Current Limit Clean Start-Up Into Pre-Biased Output Secondary-Side Control for Fast Transient Response Simple, Self-Starting Architecture Synchronous MOSFET Reverse Current Limit PolyPhase® Operation Eases High-Power Design True Remote Sense Differential Amplifier Remote Sense Reverse Protection High Voltage Linear Regulator Controller Internal LDO Powers Gate Drive from VOUT Overtemperature/Overvoltage Protection Low Profile 4mm × 5mm QFN and Narrow 28-Lead SSOP Packages

40A DC/DC Module Regulator Features: Stacked Inductor Acts as Heat Sink Wide Input Voltage Range: 4.7V to 15V 0.6V to 3.3V Output Voltage Range ±1.3% Total DC Output Voltage Error Over Line, Load and Temperature (–40°C to 125°C) Differential Remote Sense Amplifier for Precision Regulation Current Mode Control/Fast Transient Response Frequency Synchronization Parallel Current Sharing (Up to 240A) Internal or External Compensation 88% Efficiency (12VIN, 1VOUT) at 40A Overcurrent Foldback Protection 16mm × 16mm × 7.07mm BGA Package

40A Module Regulator with Overvoltage/ Overtemperature Protection Features:Overtemperature, Input/Output Overvoltage ProtectionTrips Upstream Power Source or Circuit BreakerStacked Inductor Acts as Heat SinkWide Input Voltage Range: 4.7V to 15V0.6V to 3.3V Output Voltage Range±1.3% Total DC Output Voltage Error (–40°C to 125°C)Differential Remote Sense Amplifier for Precision RegulationCurrent Mode Control/Fast Transient ResponseFrequency SynchronizationParallel Current Sharing (Up to 240A)88% Efficiency (12VIN, 1VOUT) at 40AOvercurrent Foldback ProtectionOvertemperature Shutdown16mm × 16mm × 7.07mm BGA Package

36V, 2A Synchronous Step-Up LED Driver Features:±2.5% LED Current Regulation±2% Output Voltage Regulation5000:1 PWM Dimming at 100Hz128:1 Internal PWM DimmingSpread-Spectrum Frequency ModulationSilent Switcher® Architecture for Low EMIOperates in Boost, Buck Mode and Buck-Boost Mode2.8V to 36V Input Voltage RangeUp to 34V LED String Voltage2A, 40V Internal Switches200kHz to 2MHz with SYNC FunctionAnalog or Duty Cycle LED Current ControlOpen/Short LED Protection and Fault IndicationThermally Enhanced 28-Pin (4mm × 5mm) QFN

Dual Output PolyPhase Step-Down DC/DC Voltage Mode Controller with Digital Power System Management Features: PMBus/I2C Compliant Serial Interface Monitor Voltage, Current, Temperature and Faults Digitally Programmable Voltage, Current Limit, Soft-Start/Stop, Sequencing, Margining, AVP and UV/OV Thresholds 3V ≤ VINSNS ≤ 38V, 0.5V ≤ VOUT ≤ 5.25V ±0.5% Output Voltage Accuracy Programmable PWM Frequency or External Clock Synchronization from 250kHz to 1.25MHz Accurate PolyPhase® Current Sharing Internal EEPROM with Fault Logging and ECC IC Supply Range: 3V to 13.2V Resistor or Inductor DCR Current Sensing Optional Resistor Programming for Key Parameters 40-Pin (6mm × 6mm) QFN Package AEC-Q100 Qualified for Automotive Applications

12 Channel Multicell Battery Monitor with Addressable Interface, Generation 4 Features: Pin-Compatible Upgrade from the LTC6804 Measures Up to 12 Battery Cells in Series 1.2mV Maximum Total Measurement Error Stackable Architecture for High Voltage Systems Built-in isoSPI™ Interface 1Mb Isolated Serial Communications Uses a Single Twisted Pair, up to 100 Meters Low EMI Susceptibility and Emissions 290µs to Measure All Cells in a System Synchronized Voltage and Current Measurement 16-Bit ADC with Programmable Noise Filter Engineered for ISO 26262-Compliant Systems Passive Cell Balancing with Programmable Timer 5 General Purpose Digital I/O or Analog Inputs Temperature or other Sensor Inputs Configurable as an I2C or SPI master 4μA Sleep Mode Supply Current 48-Lead SSOP Package AEC-Q100 Qualified for Automotive Applications

LTPoE++/PoE+/PoE PD Forward/Flyback Controller Features: IEEE802.3af/at and LTPoE++™ 90W Powered Device (PD) with Forward/Flyback Controller LT4276A Supports All of the Following Standards: LTPoE++ 38.7W, 52.7W, 70W and 90W IEEE 802.3at 25.5W Compliant IEEE 802.3af up to 13W Compliant LT4276B is IEEE 802.3at/af Compliant LT4276C is IEEE 802.3af Compliant Superior Surge Protection (100V Absolute Maximum) Wide Junction Temperature Range (–40°C to 125°C) Auxiliary Power Support as Low as 9V No Opto-Isolator Required for Flyback Operation External Hot Swap™ N-Channel MOSFET for Lowest Power Dissipation and Highest System Efficiency >94% End-to-End Efficiency with LT4321 Ideal Bridge Available in a 28-Lead 4mm × 5mm QFN Package

LTPoE++/PoE+/PoE PD Forward/Flyback Controller Features: IEEE802.3af/at and LTPoE++™ 90W Powered Device (PD) with Forward/Flyback Controller LT4276A Supports All of the Following Standards: LTPoE++ 38.7W, 52.7W, 70W and 90W IEEE 802.3at 25.5W Compliant IEEE 802.3af up to 13W Compliant LT4276B is IEEE 802.3at/af Compliant LT4276C is IEEE 802.3af Compliant Superior Surge Protection (100V Absolute Maximum) Wide Junction Temperature Range (–40°C to 125°C) Auxiliary Power Support as Low as 9V No Opto-Isolator Required for Flyback Operation External Hot Swap™ N-Channel MOSFET for Lowest Power Dissipation and Highest System Efficiency >94% End-to-End Efficiency with LT4321 Ideal Bridge Available in a 28-Lead 4mm × 5mm QFN Package

Multi-Sensor High Accuracy Digital Temperature Measurement System Features: Directly Digitize RTDs, Thermocouples, Thermistors, and Diodes Single 2.85V to 5.25V Supply Results Reported in °C or °F 20 Flexible Inputs Allow Interchanging Sensors Automatic Thermocouple Cold Junction Compensation Built-In Standard and User-Programmable Coefficients for Thermocouples, RTDs and Thermistors Configurable 2-, 3- or 4-Wire RTD Configurations Measures Negative Thermocouple Voltages Automatic Burn Out, Short-Circuit and Fault Detection Buffered Inputs Allow External Protection Simultaneous 50Hz/60Hz Rejection Includes 10ppm/°C (max) Reference (I-Grade)