SGM3780 Description
The SGM3780 is the ideal power solution for high-power flash LEDs used with cell phone camera modules or digital still cameras. It is a highly integrated step-up DC/DC converter with very high switching frequency, fixed at 2MHz, providing a very small total solution for portable photo flash. The SGM3780 has separate Flash mode and Movie/Torch mode enable pins for maximum flexibility.
SGM3780 Key Features
- Input Voltage Range: 3V to 5V
- Dual Flash LED Outputs
- Drive Up to Total 1.5A or 0.75A per Channel
- High Efficiency LED Driver (Up to 90%)
- 2MHz Step-Up Converter
- Very Small Inductor: 1.0μH
- Independent Flash Mode Enable and Movie/Torch
- Flash Mode or Movie/Torch Mode Dimming via
- 10kHz to 200kHz PWM Dimming Frequency
- One Resistor Sets Flash Mode LED Current