Description

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