LT3950
Overview
The LT®3950 is a multitopology DC/DC converter designed specifically to drive high current LEDs. It contains a 1.5A, 60V DMOS switch and supports an external PWM dimming PMOS.
- Operates in Boost, SEPIC, Buck Mode and BuckBoost Mode
- 128:1 Internal Exponential Scale PWM Dimming
- Wide Input Voltage Range (3V to 60V)
- 1.5A, 60V Internal Switch
- 20000:1 External PWM Dimming at 100Hz n ±2% LED Current and Output Voltage Regulation
- PMOS Switch Driver for PWM Dimming
- LED Short/Open Protection and Indication
- Constant Voltage and Constant Current Regulation
- Adjustable 300kHz to 2MHz Switching Frequency
- Adjustable 100Hz to 1kHz PWM Generator Frequency
