Description
PIN NUMBER 1 2
PIN NAME VIN EN
3
NC
4
FB
5
GND
6
SW
DESCRIPTION
Input supply voltage.Typically connect a 10µF ceramic capacitor to ground.Regulator enable pin.Enable the device when driven to high.Shut down the chip and discharge output capacitor when driven to low.Do not leave this pin floating.No connect; leave floating.Buck converter output feedback pin.For adjustable output version, its typical value is 0.8V and connect it to the output through a resistor divider for desi
Features
- High Efficiency Integrated Synchronous Buck Regulator with up to 93% Efficiency.
- 2.7V to 6.0V Supply Voltage.
- 4.3MHz PWM Switching Frequency.
- 500mA Guaranteed Output Current.
- 3% Output Accuracy Over-Temperature and Line for Fixed
Output Options.
- 20µA Quiescent Supply Current in Skip Mode.
- Less than 1µA Logic Controlled Shutdown Current.
- 100% Maximum Duty Cycle for Lowest Dropout.
- Ultrasonic Switching Frequency at S.