MAX1644 Description
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MAX1644 Key Features
- ±1% Output Accuracy
- 95% Efficiency
- Internal PMOS and NMOS Switches 70mΩ On-Resistance at VIN = +4.5V 100mΩ On-Resistance at VIN = +3V
- Output Voltage +3.3V or +2.5V Pin-Selectable +1.1V to VIN Adjustable
- +3V to +5.5V Input Voltage Range
- < 1µA Shutdown Supply Current
- 360µA (max) Operating Supply Current
- Programmable Constant-Off-Time Operation
- 350kHz (max) Switching Frequency
- Idle Mode Operation at Light Loads