Low Noise, High Efficiency Charge Pump for White LEDs Features: Low Noise Constant Frequency Operation 25% Less Input Current Than Doubler Charge Pump High Output Current: Up To 125mA Small Application Circuit Regulated Output Voltage or Current Automatic Soft-Start VIN Range: 2.7V to 4.5V No Inductors 1.5MHz Switching Frequency ICC < 1µA in Shutdown Available in 10-Pin MSOP and 3mm x 3mm DFN Packages 

Wide VIN Range, Low Noise, 250mA Buck-Boost Charge Pump Features: 2.7V to 38V VIN Range IQ = 18μA Operating; 4μA in Shutdown 12V to 5V Efficiency = 81% Multimode Operation (2:1, 1:1, 1:2) with Automatic Mode Switching Low Noise, Constant Frequency Operation Pin Selectable Burst Mode® Operation VOUT: Fixed 3.3V, 5V or Adjustable (2.5V to 5V) IOUT Up to 250mA Overtemperature and Short-Circuit Protection Operating Junction Temperature: 150°C Maximum Thermally Enhanced 12-Pin MSOP and Low Profile 12-Pin (3mm × 4mm) DFN Packages AEC-Q100 Qualified for Automotive Applications

No RSENSE Current Mode Boost DC/DC Controller Features: No Current Sense Resistor Required VOUT up to 60V Constant Frequency 550kHz Operation Internal Soft-Start and Optional External Soft-Start Adjustable Current Limit Pulse Skipping at Light Load VIN Range: 2.75V to 9.8V ±1.5% Voltage Reference Accuracy Current Mode Operation for Excellent Line and Load Transient Response Low 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