Dual Output PolyPhase Step-Down DC/DC Controller with Digital Power System Management Features: PMBus/I2C Compliant Serial Interface Telemetry Read Back includes VIN, IIN, VOUT, IOUT, Temperature and Faults Programmable Voltage, Current Limit, Digital Soft-Start/Stop, Sequencing, Margining, OV/UV and Frequency Synchronization (250kHz to 1MHz) ±0.5% Output Voltage Accuracy Over Temperature Integrated 16-Bit ADC Internal EEPROM with ECC and Fault Logging Integrated Powerful N-Channel MOSFET Gate Drivers Power Conversion Wide VIN Range: 4.5V to 24V VOUT Range: 0.5V to 5.4V (4V on VOUT0) Analog Current Mode Control Loop Accurate PolyPhase® Current Sharing for Up to 6 Phases Available in a 40-Pin (6mm × 6mm) QFN Package AEC-Q100 Qualified for Automotive Applications

Dual Output PolyPhase Step-Down DC/DC Controller with Digital Power System Management Features: PMBus/I2C Compliant Serial Interface Telemetry Read Back includes VIN, IIN, VOUT, IOUT, Temperature and Faults Programmable Voltage, Current Limit, Digital Soft-Start/Stop, Sequencing, Margining, OV/UV and Frequency Synchronization (250kHz to 1MHz) ±0.5% Output Voltage Accuracy Over Temperature Integrated 16-Bit ADC Internal EEPROM with ECC and Fault Logging Integrated Powerful N-Channel MOSFET Gate Drivers Power Conversion Wide VIN Range: 4.5V to 24V VOUT Range: 0.5V to 5.4V (4V on VOUT0) Analog Current Mode Control Loop Accurate PolyPhase® Current Sharing for Up to 6 Phases Available in a 40-Pin (6mm × 6mm) QFN Package AEC-Q100 Qualified for Automotive Applications

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

60V Dual Output Step-Down Controller with Digital Power System Management Features: PMBus/I2C Compliant Serial Interface Telemetry Read-Back Includes VIN, IIN, VOUT, IOUT, Temperature and Faults Programmable Voltage, Current Limit, Digital Soft-Start/Stop, Sequencing, Margining, OV/UV/OC, Frequency, and Control Loop Compensation Output Error Less Than ±0.5% Over Temperature Integrated 16-Bit ADC and 12-Bit DAC Integrated High Side Current Sense Amplifier Internal EEPROM with ECC and Fault Logging Integrated N-Channel MOSFET Gate DriversPower Conversion Wide VIN Range: 5V to 60V VOUT0, VOUT1 Range: 1V to 40V Analog Current Mode Control Accurate PolyPhase® Current Sharing for Up to 6 Phases (85kHz to 500kHz) Available in a 52-Lead (7mm× 8mm) QFN Package

60V Low IQ, Dual, 2-Phase Synchronous Step-Down DC/DC Controller Features: Wide VIN Range: 4V to 60V (65V Abs Max) Low Operating IQ: 50µA (One Channel On) Wide Output Voltage Range: 0.8V ≤ VOUT ≤ 24V RSENSE or DCR Current Sensing Out-of-Phase Controllers Reduce Required Input Capacitance and Power Supply Induced Noise Phase-Lockable Frequency (75kHz to 850kHz) Programmable Fixed Frequency (50kHz to 900kHz) Selectable Continuous, Pulse-Skipping or Low Ripple Burst Mode® Operation at Light Loads Selectable Current Limit Very Low Dropout Operation: 99% Duty Cycle Adjustable Output Voltage Soft-Start or Tracking Power Good Output Voltage Monitors Output Overvoltage Protection Low Shutdown IQ : < 14µA Internal LDO Powers Gate Drive from VIN or EXTVCC No Current Foldback During Start-Up Small Low Profile (0.75mm) 5mm × 5mm QFN Package AEC-Q100 Qualified for Automotive Applications

60V Low IQ, Dual, 2-Phase Synchronous Step-Down DC/DC Controller Features: Wide VIN Range: 4V to 60V (65V Abs Max) Low Operating IQ: 50µA (One Channel On) Wide Output Voltage Range: 0.8V ≤ VOUT ≤ 24V RSENSE or DCR Current Sensing Out-of-Phase Controllers Reduce Required Input Capacitance and Power Supply Induced Noise Phase-Lockable Frequency (75kHz to 850kHz) Programmable Fixed Frequency (50kHz to 900kHz) Selectable Continuous, Pulse-Skipping or Low Ripple Burst Mode® Operation at Light Loads Selectable Current Limit Very Low Dropout Operation: 99% Duty Cycle Adjustable Output Voltage Soft-Start or Tracking Power Good Output Voltage Monitors Output Overvoltage Protection Low Shutdown IQ : < 14µA Internal LDO Powers Gate Drive from VIN or EXTVCC No Current Foldback During Start-Up Small Low Profile (0.75mm) 5mm × 5mm QFN Package AEC-Q100 Qualified for Automotive Applications

60V Low IQ, Dual, 2-Phase Synchronous Step-Down DC/DC Controller Features: Wide VIN Range: 4V to 60V (65V Abs Max) Low Operating IQ: 50µA (One Channel On) Wide Output Voltage Range: 0.8V ≤ VOUT ≤ 24V RSENSE or DCR Current Sensing Out-of-Phase Controllers Reduce Input Capacitance and Power Supply Induced Noise Phase-Lockable Frequency (75kHz to 850kHz) Programmable Fixed Frequency (50kHz to 900kHz) Selectable Continuous, Pulse-Skipping or Low Ripple Burst Mode® Operation at Light Loads Selectable Current Limit Very Low Dropout Operation: 99% Duty Cycle Adjustable Output Voltage Soft-Start or Tracking Power Good Output Voltage Monitors Low Shutdown IQ : < 14µA Internal LDO Powers Gate Drive from VIN or EXTVCC Small Low Profile (0.75mm) 5mm × 5mm QFN Package AEC-Q100 Qualified for Automotive Applications

60V Low IQ, Dual, 2-Phase Synchronous Step-Down DC/DC Controller Features: Wide VIN Range: 4V to 60V (65V Abs Max) Low Operating IQ: 50μA (One Channel On) Wide Output Voltage Range: 0.8V ≤ VOUT ≤ 24V RSENSE or DCR Current Sensing Out-of-Phase Controllers Reduce Required Input Capacitance and Power Supply Induced Noise Phase-Lockable Frequency (75kHz to 850kHz) Programmable Fixed Frequency (50kHz to 900kHz) Selectable Continuous, Pulse-Skipping or Low Ripple Burst Mode® Operation at Light Loads Very Low Dropout Operation: 99% Duty Cycle Adjustable Output Voltage Soft-Start or Tracking Power Good Output Voltage Monitor Output Overvoltage Protection Low Shutdown IQ: <14μA Internal LDO Powers Gate Drive from VIN or EXTVCC No Current Foldback During Start-Up Narrow SSOP Package

60V Low IQ, Dual, 2-Phase Synchronous Step-Down DC/DC Controller Features:Wide VIN Range: 4V to 60V (65V Abs Max)Low Operating IQ: 50μA (One Channel On)Wide Output Voltage Range: 0.8V ≤ VOUT ≤ 24VRSENSE or DCR Current SensingOut-of-Phase Controllers Reduce Input Capacitance and Power Supply Induced NoisePhase-Lockable Frequency (75kHz to 850kHz)Programmable Fixed Frequency (50kHz to 900kHz)Selectable Continuous, Pulse-Skipping or Low Ripple Burst Mode® Operation at Light LoadsVery Low Dropout Operation: 99% Duty CycleAdjustable Output Voltage Soft-Start or TrackingPower Good Output Voltage MonitorLow Shutdown IQ: <14μAInternal LDO Powers Gate Drive from VIN or EXTVCCNarrow SSOP Package

60V Low IQ, Dual, 2-Phase Synchronous Step-Down DC/DC Controller Features: Wide VIN Range: 4V to 60V (65V Abs Max) Low Operating IQ: 50µA (One Channel On) Wide Output Voltage Range: 0.8V ≤ VOUT ≤ 24V RSENSE or DCR Current Sensing Out-of-Phase Controllers Reduce Input Capacitance and Power Supply Induced Noise Phase-Lockable Frequency (75kHz to 850kHz) Programmable Fixed Frequency (50kHz to 900kHz) Selectable Continuous, Pulse-Skipping or Low Ripple Burst Mode® Operation at Light Loads Selectable Current Limit Very Low Dropout Operation: 99% Duty Cycle Adjustable Output Voltage Soft-Start or Tracking Power Good Output Voltage Monitors Low Shutdown IQ : < 14µA Internal LDO Powers Gate Drive from VIN or EXTVCC Small Low Profile (0.75mm) 5mm × 5mm QFN Package AEC-Q100 Qualified for Automotive Applications

60V Low IQ, Dual, 2-Phase Synchronous Step-Down DC/DC Controller Features: Wide VIN Range: 4V to 60V (65V Abs Max) Low Operating IQ: 50µA (One Channel On) Wide Output Voltage Range: 0.8V ≤ VOUT ≤ 24V RSENSE or DCR Current Sensing Out-of-Phase Controllers Reduce Input Capacitance and Power Supply Induced Noise Phase-Lockable Frequency (75kHz to 850kHz) Programmable Fixed Frequency (50kHz to 900kHz) Selectable Continuous, Pulse-Skipping or Low Ripple Burst Mode® Operation at Light Loads Selectable Current Limit Very Low Dropout Operation: 99% Duty Cycle Adjustable Output Voltage Soft-Start or Tracking Power Good Output Voltage Monitors Low Shutdown IQ : < 14µA Internal LDO Powers Gate Drive from VIN or EXTVCC Small Low Profile (0.75mm) 5mm × 5mm QFN Package AEC-Q100 Qualified for Automotive Applications

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)

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)

150V Low IQ Step-Down DC/DC Controller with 100% Duty Cycle Capability Features: Wide Operating VIN Range: 4.5V to 150V Wide VOUT Range: 0.8V to 60V 9μA IQ when Regulating 48VIN to 3.3VOUT 16μA IQ when Regulating 12VIN to 3.3VOUT Very Low Dropout Operation: 100% Duty Cycle Adjustable Input Overvoltage Lockout Programmable PGOOD Undervoltage Monitor RSENSE or Inductor DCR Current Sensing Selectable High Efficiency Burst Mode® Operation or Pulse-Skipping Mode at Light Loads Programmable Fixed Frequency: 50kHz to 850kHz Phase-Lockable Frequency: 75kHz to 800kHz Internal Fixed Soft-Start and External Programmable Soft-Start or Voltage Tracking Strong MOSFET Gate Driver with Selectable Undervoltage Lockout Thresholds Optional External NMOS for Gate Driver Bias in High Power Applications

150V Low IQ Step-Down DC/DC Controller with 100% Duty Cycle Capability Features: Wide Operating VIN Range: 4.5V to 150V Wide VOUT Range: 0.8V to 60V 9μA IQ when Regulating 48VIN to 3.3VOUT 16μA IQ when Regulating 12VIN to 3.3VOUT Very Low Dropout Operation: 100% Duty Cycle Adjustable Input Overvoltage Lockout Programmable PGOOD Undervoltage Monitor RSENSE or Inductor DCR Current Sensing Selectable High Efficiency Burst Mode® Operation or Pulse-Skipping Mode at Light Loads Programmable Fixed Frequency: 50kHz to 850kHz Phase-Lockable Frequency: 75kHz to 800kHz Internal Fixed Soft-Start and External Programmable Soft-Start or Voltage Tracking Strong MOSFET Gate Driver with Selectable Undervoltage Lockout Thresholds Optional External NMOS for Gate Driver Bias in High Power Applications

150V Low IQ, Synchronous Step-Down DC/DC Controller Features: Wide VIN Range: 4V to 140V (150V Abs Max) Wide Output Voltage Range: 0.8V to 60V Adjustable Gate Drive Level: 5V to 10V (OPTI-DRIVE) Low Operating IQ: 40μA (Shutdown = 10μA) 100% Duty Cycle Operation No External Bootstrap Diode Required Selectable Gate Drive UVLO Thresholds Onboard LDO or External NMOS LDO for DRVCC EXTVCC LDO Powers Drivers from VOUT Phase-Lockable Frequency (75kHz to 850kHz) Programmable Fixed Frequency (50kHz to 900kHz) Selectable Continuous, Pulse-Skipping or Low Ripple Burst Mode® Operation at Light Loads Adjustable Burst Clamp and Current Limit Adjustable or Fixed (5V/3.3V) Output Voltage Power Good Output Voltage Monitor Programmable Input Overvoltage Lockout 38-Lead TSSOP High Voltage Package

150V Low IQ, Synchronous Inverting DC/DC Controller Features:Wide VIN + |VOUT–| Range: 4V to 140V (150V Abs Max)Wide Output Voltage Range: –60V to –0.8VGround-Referenced Control / Interface PinsAdjustable Gate Drive Level 5V to 10V (OPTI-DRIVE)Integrated Bootstrap DiodeLow Operating IQ: 40μA (Shutdown = 10μA)Selectable Gate Drive UVLO ThresholdsOnboard LDO or External NMOS LDO for DRVCCEXTVCC LDO Powers Drivers from OutputPhase-Lockable Frequency (75kHz to 850kHz)Programmable Fixed Frequency (50kHz to 900kHz)Selectable Continuous, Pulse-Skipping or Low Ripple Burst Mode® Operation at Light LoadsAdjustable Burst Clamp and Current LimitPower Good Output Voltage MonitorProgrammable Input Overvoltage Lockout38-Lead TSSOP High Voltage Package

Adjustable Frequency Current Mode Flyback/Boost/SEPIC DC/DC Controller Features: VIN and VOUT Limited Only by External Components 4.5V Undervoltage Lockout Threshold Adjustable Slope Compensation Adjustable Overcurrent Protection with Automatic Restart Adjustable Operating Frequency (70kHz to 700kHz) With One External Resistor Synchronizable to an External Clock ±1.5% Reference Accuracy Only 100mV Current Sense Voltage Drop RUN Pin with Precision Threshold and Adjustable Hysteresis Programmable Soft-Start with One External Capacitor Low Quiescent Current: 360μA Small 10-Lead MSOP and 3mm × 3mm DFN

No RSENSE, Low EMI, Synchronous DC/DC Controller Features: No Current Sense Resistor Required Selectable Spread Spectrum Frequency Modulation for Low Noise Operation Constant Frequency Current Mode Operation for Excellent Line and Load Transient Response True PLL for Frequency Locking or Adjustment (Frequency Range: 250kHz to 750kHz) Wide VIN Range: 2.75V to 9.8V Wide VOUT Range: 0.6V to VIN 0.6V ±1.5% Reference Low Dropout Operation: 100% Duty Cycle Selectable Burst Mode®/Pulse-Skipping/Forced Continuous Operation Auxiliary Winding Regulation Internal Soft-Start Circuitry Output Overvoltage Protection Micropower Shutdown: IQ = 9µA Tiny Thermally Enhanced Leadless (3mm × 3mm) DFN and 10-lead MSOP Packages

Low IQ, Dual, 2-Phase Synchronous Step-Down Controller Features: Wide Output Voltage Range: 0.8V ≤ VOUT ≤ 10V Low Operating IQ: 80µA (One Channel On) Out-of-Phase Controllers Reduce Required Input Capacitance and Power Supply Induced Noise OPTI-LOOP® Compensation Minimizes COUT ±1% Output Voltage Accuracy Wide VIN Range: 4V to 36V Operation Phase-Lockable Fixed Frequency 140kHz to 650kHz Selectable Continuous, Pulse Skipping or Low Ripple Burst Mode® Operation at Light Loads Dual N-Channel MOSFET Synchronous Drive Very Low Dropout Operation: 99% Duty Cycle Adjustable Output Voltage Soft-Start or Tracking Output Current Foldback Limiting Power Good Output Voltage Monitor Output Overvoltage Protection Low Shutdown IQ: 8µA Internal LDO Powers Gate Drive from VIN or VOUT Small 28-Lead SSOP Package