MCP1642B
Features
- Up to 96% Typical Efficiency
- 1.8A Typical Peak Input Current Limit:
- IOUT > 175 m A @ 1.2V VIN, 3.3V VOUT
- IOUT > 600 m A @ 2.4V VIN, 3.3V VOUT
- IOUT > 800 m A @ 3.3V VIN, 5.0V VOUT
- IOUT > 1A @ VIN > 3.6V, 5.0V VOUT
- Low Start-Up Voltage: 0.65V, typical 3.3V VOUT @ 1 m A
- Low Operating Input Voltage: 0.35V, typical 3.3V VOUT @ 1 m A
- Output Voltage Range:
- Reference Voltage, VFB = 1.21V
- 1.8V to 5.5V for the adjustable device option
- 1.8V, 3.0V, 3.3V and 5.0V for fixed VOUT options
- Maximum Input Voltage VOUT < 5.5V
- PWM Operation: 1 MHz
- Low Noise, Anti-Ringing Control
- Power Good Open-Drain Output
- Internal Synchronous Rectifier
- Internal pensation
- Inrush Current Limiting and Internal Soft-Start
- Selectable, Logic-Controlled Shutdown States:
- True Load Disconnect Option (MCP1642B)
- Input-to-Output Bypass Option (MCP1642D)
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