No RSENSE Current Mode Boost DC/DC Controller Features:No Current Sense Resistor RequiredVOUT up to 60VConstant Frequency 550kHz OperationInternal Soft-Start and Optional External Soft-StartAdjustable Current LimitPulse Skipping at Light LoadVIN Range: 2.75V to 9.8V±1.5% Voltage Reference AccuracyCurrent Mode Operation for Excellent Line and Load Transient ResponseLow Profile (1mm) SOT-23 and 2mm × 3mm DFN Packages

No RSENSE Constant Frequency Current Mode Boost/Flyback/SEPIC DC/DC Controller Features: VIN and VOUT Limited Only by External Components Internal or Programmable External Soft-Start Constant Frequency 200kHz Operation Adjustable Current Limit Current Sense Resistor Optional ±1.5% Voltage Reference Accuracy Current Mode Operation for Excellent Line and Load Transient Response 4.1V Undervoltage Threshold for Logic Level MOSFET Applications Low Quiescent Current: 300µA Low Profile (1mm) ThinSOT™ and (0.75mm) 2mm × 3mm DFN Package

PolyPhase Step-Down Synchronous Slave Controller with Sub-Milliohm DCR Sensing Features: Phase Extender for High Phase Count Voltage Rails Accurate Phase-to-Phase Current Sharing Sub-Milliohm DCR Current Sensing Phase-Lockable Fixed Frequency 250kHz to 1MHz Immediate Response to Master IC's Fault Up to 12 Phase Operation Wide VIN Range: 4.5V to 38V VOUT Range: Up to 3.5V (LOWDCR Pin = INTVCC) Up to 5.5V (LOWDCR Pin = OV) Proprietary Current Mode Control Loop Programmable CCM/DCM Operation Programmable Phase Shift Control Dual N-Channel MOSFET Gate Drivers 28-Lead (4mm × 5mm) QFN Package

PolyPhase Step-Down Synchronous Slave Controller with Sub-Milliohm DCR Sensing Features: Phase Extender for High Phase Count Voltage Rails Accurate Phase-to-Phase Current Sharing Sub-Milliohm DCR Current Sensing Phase-Lockable Fixed Frequency 250kHz to 1MHz Immediate Response to Master IC's Fault Up to 12 Phase Operation Wide VIN Range: 4.5V to 38V VOUT Range: Up to 3.5V (LOWDCR Pin = INTVCC) Up to 5.5V (LOWDCR Pin = OV) Proprietary Current Mode Control Loop Programmable CCM/DCM Operation Programmable Phase Shift Control Dual N-Channel MOSFET Gate Drivers 28-Lead (4mm × 5mm) QFN Package

Dual, 2-Phase, Synchronous Controller with Low Value DCR Sensing and Temperature Compensation Features: Low Value DCR Current Sensing Programmable DCR Temperature Compensation ±0.5% 0.6V Output Voltage Accuracy Dual True Remote Sensing Differential Amplifiers Phase-Lockable Fixed Frequency 250kHz to 720kHz Dual, 180° Phased Controllers Reduce Required Input Capacitance and Power Supply Induced Noise Dual N-Channel MOSFET Synchronous Drive Wide VIN Range: 4.5V to 38V Operation Output Voltage Range with Low DCR: 0.6V to 3.5V, without Low DCR: 0.6V to 5V Adjustable Soft-Start Current Ramping or Tracking Foldback Output Current Limiting Clock Input and Output for Up to 12-Phase Operation Short-Circuit Soft Recovery Output Overvoltage Protection Power Good Output Voltage Monitor 40-Lead QFN Packages AEC-Q100 Qualified for Automotive Applications

Dual DC/DC Controller for DDR Power with Differential VDDQ Sensing and 50mA VTT Reference Features: Complete DDR Power Solution with VTT Reference Wide VIN Range: 4.5V to 38V, VDDQ: 1V to 2.5V ±0.67% VDDQ Output Voltage Accuracy VDDQ and VTT Termination Controllers ±1.2% ±50mA Linear VTTR Reference Output Controlled On-Time, Valley Current Mode Control Frequency Programmable from 200kHz to 2MHz Synchronizable to External Clock tON(MIN) = 30ns, tOFF(MIN) = 90ns RSENSE or Inductor DCR Current Sensing Power Good Output Voltage Monitor Overvoltage Protection and Current Limit Foldback Thermally Enhanced 38-Pin (5mm × 7mm) QFN and TSSOP Packages

Fast, Wide Operating Range No RSENSE Step-Down Controller Features: Wide VIN Range: 4V to 38V ±1% 0.6V Voltage Reference Extremely Fast Transient Response tON(MIN): 43ns No RSENSE™ Valley Current Mode Control Stable with Low ESR Ceramic COUT Supports Smooth Start-Up in Pre-Biased Output Optimized for High Step-Down Ratios Adjustable Output Voltage Soft-Start or Tracking Power Good Output Voltage Monitor Dual N-Channel MOSFET Synchronous Drive Adjustable Switching Frequency Programmable Current Limit with Foldback Output Overvoltage Protection 16-Pin MSOP and 3mm × 3mm QFN Packages

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 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

Dual Loop 8-Phase Step-Down DC/DC Controller with Digital Power System Management Features: PMBus/I2C Compliant Serial Interface Monitor Voltage, Current, Temperature and Faults Digitally Program VOUT, Margins, UV, OV, Current Limit, Soft-Start/Stop and Sequencing Expandable to >16 Phases 4.5V ≤ VIN ≤ 26.5V, 0.3V ≤ VOUT ≤ 3.45V ±0.5% Output Voltage Accuracy Programmable PWM Loop Compensation Accurate PolyPhase® Current Sharing Internal EEPROM with ECC and Fault Logging DrMOS Output Current Monitor Interface DrMOS Temperature/Fault Bus Interface DrMOS Gate Drive Supply Monitor Load Step Emulation Internal or External PWM Clock from 250kHz to 1MHz 52-Pin (5mm × 8mm) 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