Part Number
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MCP1662 |
Manufacturer
|
Microchip |
Description
|
High-Voltage Step-Up LED Driver |
Published
|
Sep 14, 2016 |
Detailed Description
|
MCP1662
High-Voltage Step-Up LED Driver with UVLO and Open Load Protection
Features
• 36V, 800 m Integrated Switch • U...
|
Datasheet
|
MCP1662
|
Overview
MCP1662
High-Voltage Step-Up LED Driver with UVLO and Open Load Protection
Features
• 36V, 800 m Integrated Switch • Up to 92% Efficiency • Drive LED Strings in Constant Current • 1.
3A Peak Input Current Limit:
- ILED up to 200 mA @ 5.
0V VIN, 4 White LEDs - ILED up to 125 mA @ 3.
3V VIN, 4 White LEDs - ILED up to 100 mA @ 4.
2V VIN, 8 White LEDs • Input Voltage Range: 2.
4V to 5.
5V • Feedback Voltage Reference: VFB = 300 mV • Undervoltage Lockout (UVLO): - UVLO @ VIN Rising: 2.
3V, typical - UVLO @ VIN Falling: 1.
85V, typical • Sleep Mode with 20 nA Typical Quiescent Current • PWM Operation: 500 kHz Switching Frequency • Cycle-by-Cycle Current Limiting • Internal Compensation • Open Load Prote...
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