MCP1643 Description
MCP1643 1 MHz Low Start-up Voltage Synchronous Boost LED Constant Current Regulator.
MCP1643 Key Features
- 1.6A Typical Peak Input Current Limit
- Up to 550 mA LED Load Current
- Low Start-up Voltage: 0.65V (typical, 25 mA LED
- Low Operating Input Voltage: down to 0.5V
- Maximum Input Voltage < VLED < 5.0V
- Maximum Output Voltage
- Overvoltage Protection
- Low Reference Voltage
- VFB = 120 mV
- Minimal Power Loss on Sense Resistor