42V, 750mA Step-Down Regulator with 2.5A Quiescent Current and Integrated Diodes Features: Ultralow Quiescent Current 2.5μA IQ at 12VIN to 3.3VOUT Low Ripple Burst Mode® Operation Output Ripple < 10mVP-P Wide Input Voltage Range: 4.2V to 42V Operating Adjustable Switching Frequency: 200kHz to 2.2MHz Integrated Boost and Catch Diodes 750mA Output Current Excellent Start-Up and Dropout Performance Fixed Output Voltages: 3.3V, 5V 1.9μA IQ at 12VIN Accurate Programmable Undervoltage Lockout Low Shutdown Current: IQ = 0.75μA Internal Catch Diode Current Limit Power Good Flag Thermal Shutdown Small, Thermally Enhanced 10-Lead MSOP and (3mm × 3mm) DFN Packages

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

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, 2-Phase Synchronous Step-Down DC/DC Controllers Features: Dual, 180° Phased Controllers Reduce Required Input Capacitance and Power Supply Induced Noise Accurate Multiphase Current Matching RSENSE or DCR Current Sensing ±0.75% 0.6V Output Voltage Accuracy Phase-Lockable Fixed Frequency 250kHz to 780kHz High Efficiency: Up to 95% Dual N-channel MOSFET Synchronous Drive Wide VIN Range: 4V to 38V (40V Max) Operation Wide VOUT Range: 0.6V to 12.5V Operation Adjustable Soft-Start Current Ramping or Tracking Foldback Output Current Limiting Output Overvoltage Protection Power Good Output Voltage Monitor 5V Low Dropout Regulator Small 28-Lead QFN and Narrow SSOP Packages

100VIN Micropower Isolated Flyback Converter with 150V/260mA Switch Features: 6V to 100V Input Voltage Range 260mA, 150V Internal DMOS Power Switch Low Quiescent Current 70µA in Sleep Mode 330µA in Active Mode Boundary Mode Operation at Heavy Load Low-Ripple Burst Mode® Operation at Light Load Minimum Load <0.5% (Typ) of Full Output VOUT Set with a Single External Resistor No Transformer Third Winding or Opto-Isolator Required for Regulation Accurate EN/UVLO Threshold and Hysteresis Internal Compensation and Soft-Start 5-Lead TSOT-23 Package AEC-Q100 Qualified for Automotive Applications

SMBus Programmable CCFL Switching Regulator Features: Wide Battery Input Range: 4.5V to 30V Grounded Lamp or Floating Lamp Configurations Open Lamp Protection Precision 100µA Full-Scale DAC Programming Current 2-Wire SMBus Interface Two Selectable SMBus Addresses DAC Setting Is Retained in Shutdown

15V Dual 3A Monolithic Step-Down Regulator for DDR Power Features: 3.6V to 15V Input Voltage Range ±3A Output Current per Channel Up to 95% Efficiency Selectable 90°/180° Phase Shift Between Channels Adjustable Switching Frequency: 500kHz to 4MHz VTTR = VDDQ/2 = VTT Reference ±1.6% Accurate VTTR at 0.75V Optimal VOUT Range: 0.6V to 3V ±10mA Buffered Output Supplies VREF Reference Voltage Current Mode Operation for Excellent Line and Load Transient Response External Clock Synchronization Short-Circuit Protected Input Overvoltage and Overtemperature Protection Power Good Status Outputs Available in (4mm × 5mm) QFN-28 and Thermally Enhanced 28-Lead TSSOP Packages

Dual 750mA/250mA Low Dropout, Low Noise, Micropower Linear Regulator Features: Output Current: 750mA/250mA Low Dropout Voltage: 300mV Low Noise: 20μVRMS (10Hz to 100kHz) Low Quiescent Current: 120μA/75μA Wide Input Voltage Range: 1.7V to 20V Adjustable Output: 1.220V Reference Voltage Shutdown Quiescent Current: <1μA Stable with 10μF/3.3μF Minimum Output Capacitor Stable with Ceramic, Tantalum or Aluminum Electrolytic Capacitors Precision Threshold for Shutdown Logic or UVLO Function PWRGD Flag for each Output Reverse Battery and Reverse Output-to-Input Protection Current Limit with Foldback and Thermal Shutdown Thermally Enhanced 20-Lead TSSOP and 28-Lead (4mm × 5mm) QFN Packages

15V, 200mA Synchronous Buck-Boost DC/DC Converter with 1.3A Quiescent Current Features:Regulates VOUT Above, Below or Equal to VINWide VIN Range: 2.42V to 15V, 1.92V to 15V After Start-Up (Bootstrapped)Wide VOUT Range: 1.4V to 15.75V200mA Output Current in Buck ModeSingle Inductor1.3μA Quiescent CurrentProgrammable Maximum Power Point Control1.2MHz Ultralow Noise PWMCurrent Mode ControlPin Selectable Burst Mode® OperationUp to 95% EfficiencyAccurate RUN Pin ThresholdPower Good Indicator10nA Shutdown CurrentThermally Enhanced 3mm × 3mm QFN and 16-Lead MSOP Packages

80V VIN and VOUT Synchronous 4-Switch Buck-Boost DC/DC Controller Features:Single Inductor Allows VIN Above, Below, or Equal to Regulated VOUTVIN Range 2.8V (Need EXTVCC > 6.4V) to 80VVOUT Range: 1.3V to 80VQuad N-Channel MOSFET Gate DriversSynchronous Rectification: Up to 98% EfficiencyInput and Output Current Monitor PinsSynchronizable Fixed Frequency: 100kHz to 400kHzIntegrated Input Current, Input Voltage, Output and Output Voltage Feedback LoopsClock Output Usable To Monitor Die TemperatureAvailable in 38-Lead (5mm × 7mm) QFN and TSSOP Packages with the TSSOP Modified for Improve Voltage Operation