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MAX1843 Features- ±1% Output Accuracy
- Up to 1MHz Switching Frequency
- 95% Efficiency
- Internal PMOS/NMOS Switches
- 90m/70mOn-Resistance at VIN= +4.5V
- 110m/80mOn-Resistance at VIN= +3V
- Output Voltage
- +2.5V, +1.8V, or +1.5V Pin Selectable
- +1.1V to VINAdjustable
- +3V to +5.5V Input Voltage Range
- 350µA Operating Supply Current
- <1µA Shutdown Supply Current
- Programmable Constant-Off-Time Operation
- Idle Mode Operation at Light Loads
- Thermal Shutdown
- Adjustable Soft-Start Inrush Current Limiting
- 100% Duty Cycle During Low-Dropout Operation
- Output Short-Circuit Protection
- 28-Pin QFN Package
MAX1843 Parameters
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