MCP1640B
MCP1640B is 0.65V Start-up Synchronous Boost Regulator manufactured by Microchip Technology.
- Part of the MCP1640 comparator family.
- Part of the MCP1640 comparator family.
MCP1640/B/C/D
0.65V Start-Up Synchronous Boost Regulator with True Output Disconnect or Input/Output Bypass Option
Features
- Up to 96% Typical Efficiency
- 800 m A Typical Peak Input Current Limit:
- IOUT > 100 m A @ 1.2V VIN, 3.3V VOUT
- IOUT > 350 m A @ 2.4V VIN, 3.3V VOUT
- IOUT > 350 m A @ 3.3V VIN, 5.0V VOUT
- Low Start-Up Voltage: 0.65V, typical 3.3V VOUT @ 1 m A
- Low Operating Input Voltage: 0.35V, typical 3.3VOUT @ 1 m A
- 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 k Hz
- Low Device Quiescent Current: 19 µA, typical PFM Mode (not switching)
- Internal Synchronous Rectifier
- Internal pensation
- Inrush Current Limiting and Internal Soft Start
- Selectable, Logic Controlled Shutdown States:
- True Load Disconnect Option (MCP1640/B)
- Input to Output Bypass Option (MCP1640C/D)
- Shutdown Current (All States): < 1 µA
- Low Noise, Anti-Ringing Control
- Overtemperature Protection
- Available Packages:
- 6-Lead SOT-23
- 8-Lead 2 x 3 mm DFN
Applications
- One, Two and Three Cell Alkaline and Ni MH/Ni Cd Portable...
