MCP1640B
Description
The MCP1640/B/C/D is a pact, high-efficiency, fixed frequency, synchronous step-up DC-DC converter.
Key Features
- Up to 96% Typical Efficiency
- 800 mA Typical Peak Input Current Limit
- IOUT > 100 mA @ 1.2V VIN, 3.3V VOUT - IOUT > 350 mA @ 2.4V VIN, 3.3V VOUT - IOUT > 350 mA @ 3.3V VIN, 5.0V VOUT
- Low Start-Up Voltage: 0.65V, typical 3.3V VOUT @ 1 mA
- Low Operating Input Voltage: 0.35V, typical 3.3VOUT @ 1 mA
- Adjustable Output Voltage Range: 2.0V to 5.5V
- Maximum Input Voltage VOUT < 5.5V
- Automatic PFM/PWM Operation (MCP1640/C): - PFM Operation Disabled (MCP1640B/D) - PWM Operation: 500 kHz
- Low Device Quiescent Current: 19 µA, typical PFM Mode (not switching)
- Internal Synchronous Rectifier
Applications
- One, Two and Three Cell Alkaline and NiMH/NiCd Portable Products
