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MCP16251/2
Low Quiescent Current, PFM/PWM Synchronous Boost Regulator with True Output Disconnect or Input/Output Bypass Option
Features
• Up to 96% Typical Efficiency • 650 mA Typical Peak Input Current Limit:
- IOUT > 100 mA @ 3.3V VOUT, 1.2V VIN - IOUT > 250 mA @ 3.3V VOUT, 2.4V VIN - IOUT > 225 mA @ 5.0V VOUT, 3.3V VIN • Low Device Quiescent Current: - Output Quiescent Current: < 4 µA typical,
device is not switching (VOUT > VIN, excluding feedback divider current) - Input Sleep Current: 1 µA - No Load Input Current: 14 µA typical • Shutdown Current: 0.6 µA typical • Low Start-Up Voltage: 0.82V, 1 mA load • Low Operating Input Voltage: down to 0.35V • Adjustable Output Voltage Range: 1.8V to 5.5V • Maximum Input Voltage VOUT < 5.