40V 400mA Step-Down Switching Regulator with Dual Fault Protected Tracking LDOs Features: Dual Low Dropout Linear Tracking Regulators 200mA Outputs with Programmable Current Limits 1.6V to 45V Input Range Fault Protected to ±45V Triple Output Supply from a Single Input Requires Only One Inductor IQ = 50μA at 12VIN to 6V and 5V with No Load Buck Regulator: Low Ripple (<15mVP-P) Burst Mode® Operation 400mA Output with Internal Power Switch 4.3V to 40V Input Operation Range (60V Max) Adjustable 250kHz to 2.2MHz Switching Frequency Power Good Indicator Available in a Thermally-Enhanced 16-Lead MSOP Package

40V 400mA Step-Down Switching Regulator with Dual Fault Protected Tracking LDOs Features: Dual Low Dropout Linear Tracking Regulators 200mA Outputs with Programmable Current Limits 1.6V to 45V Input Range Fault Protected to ±45V Triple Output Supply from a Single Input Requires Only One Inductor IQ = 50μA at 12VIN to 6V and 5V with No Load Buck Regulator: Low Ripple (<15mVP-P) Burst Mode® Operation 400mA Output with Internal Power Switch 4.3V to 40V Input Operation Range (60V Max) Adjustable 250kHz to 2.2MHz Switching Frequency Power Good Indicator Available in a Thermally-Enhanced 16-Lead MSOP Package

36V, 3.5A, 2.4MHz Step-Down Switching Regulator with 75A Quiescent Current Features: Wide Input Voltage Range: 3.6V to 36V 3.5A Maximum Output Current Low Ripple (<15mVP-P) Burst Mode® Operation: IQ = 75µA at 12VIN to 3.3VOUT Adjustable Switching Frequency: 200kHz to 2.4MHz Low Shutdown Current: IQ < 0.5µA Integrated Boost Diode Synchronizable Between 250kHz to 2MHz Power Good Flag Saturating Switch Design: 95mΩ On-Resistance 0.790V Feedback Reference Voltage Output Voltage: 0.79V to 30V Thermal Protection Soft-Start Capability Small 10-Pin Thermally Enhanced MSOP and (3mm × 3mm) DFN Packages

1A Micropower Step-Down Switching Regulator Features: Wide Input Range: Operation from 3.6V to 36V Overvoltage Lockout Protects Circuits through 60V Transients 1A Output Current Low Ripple Burst Mode® Operation IQ = 75μA at 12VIN to 3.3VOUT Output Ripple < 15mVP-P Adjustable Switching Frequency: 250kHz to 2.2MHz Short-Circuit Protected Synchronizable Between 300kHz and 2.2MHz 0.8V Feedback Reference Voltage Output Voltage 0.8V to 20V Soft-Start Capability Power Good Flag Small 12-Pin Thermally Enhanced 3mm × 3mm DFN Package

36V, 2A, 2.4MHz Step-Down Switching Regulator Features: Wide Input Range: Operation From 3.6V to 36V Overvoltage Lockout Protects Circuit through 60V Transients 2A Maximum Output Current Adjustable Switching Frequency: 200kHz to 2.4MHz Low Shutdown Current: IQ < 1µA Integrated Boost Diode Synchronizable Between 250kHz to 2MHz Power Good Flag Saturating Switch Design: 0.25Ω On-Resistance 0.790V Feedback Reference Voltage Output Voltage: 0.79V to 20V Soft-Start Capability Small 10-Pin Thermally Enhanced MSOP and (3mm x 3mm) DFN Packages

37V/1.2A Step-Down Regulator in 3mm 3mm DFN Features: Wide Input Range: Operation from 3.6V to 37V Overvoltage Lockout Protects Circuit Through 55V Transients Low Minimum On-Time: Converts 16VIN to 3.3VOUT at 2MHz 1.2A Output Current Adjustable Frequency: 300kHz to 2.5MHz Constant Switching Frequency at Light Loads Tracking and Soft-Start Precision UVLO Short-Circuit Robust IQ in Shutdown <1μA Internally Compensated 10-Lead 3mm × 3mm DFN Package

37V/1.2A Step-Down Regulator in 3mm 3mm DFN Features: Wide Input Range: Operation from 3.6V to 37V Overvoltage Lockout Protects Circuit Through 55V Transients Low Minimum On-Time: Converts 16VIN to 3.3VOUT at 2MHz 1.2A Output Current Adjustable Frequency: 300kHz to 2.5MHz Constant Switching Frequency at Light Loads Tracking and Soft-Start Precision UVLO Short-Circuit Robust IQ in Shutdown <1μA Internally Compensated 10-Lead 3mm × 3mm DFN Package

Monolithic Dual Tracking 3.5A Step-Down Switching Regulator Features: Wide Input Range: Operation from 3V to 36V OVLO Protects Circuit Through 60V Transients Independent Supply, Shutdown, Soft-Start, UVLO, Programmable Current Limit and Programmable Power Good for Each 3.5A Regulator Die Temperature Monitor Adjustable/Synchronizable Fixed Frequency Operation from 250kHz to 2.25MHz with Synchronized Clock Output Independent Synchronized Switching Frequencies Optimize Component Size Antiphase Switching Outputs Can Be Paralleled Flexible Output Voltage Tracking Low Dropout: 95% Maximum Duty Cycle 5mm × 5mm QFN Package FMEA Compliant 38-Pin Exposed Pad TSSOP Package

Monolithic Dual Tracking 3.5A Step-Down Switching Regulator Features: Wide Input Range: Operation from 3V to 36V OVLO Protects Circuit Through 60V Transients Independent Supply, Shutdown, Soft-Start, UVLO, Programmable Current Limit and Programmable Power Good for Each 3.5A Regulator Die Temperature Monitor Adjustable/Synchronizable Fixed Frequency Operation from 250kHz to 2.25MHz with Synchronized Clock Output Independent Synchronized Switching Frequencies Optimize Component Size Antiphase Switching Outputs Can Be Paralleled Flexible Output Voltage Tracking Low Dropout: 95% Maximum Duty Cycle 5mm × 5mm QFN Package FMEA Compliant 38-Pin Exposed Pad TSSOP Package

Monolithic Dual Tracking 3.5A Step-Down Switching Regulator Features: Wide Input Range: Operation from 3V to 36V OVLO Protects Circuit Through 60V Transients Independent Supply, Shutdown, Soft-Start, Programmable Current Limit and Programmable Power Good for Each 3.5A Regulator Die Temperature Monitor Adjustable/Synchronizable Fixed Frequency Operation from 250kHz to 2.25MHz with Synchronized Clock Output Independent Synchronized Switching Frequencies Optimize Component Size Antiphase Switching Outputs Can Be Paralleled Flexible Output Voltage Tracking Enhanced Short-Circuit Protection Low Dropout: 95% Maximum Duty Cycle 5mm × 5mm QFN Package