EMD2050 Description
The EMD2050 designed with high efficiency step up DC/DC converter for driving white LEDs. The device can drive up 3 white LEDs from a single Li-Ion battery or a DC power 2.5V to 5.5V. The EMD2050 uses current mode and pulse-width modulated (PWM) operation.
EMD2050 Key Features
- WLEDs supports (20mA for each channel)
- Up to 3S13P at VIN=3.7V
- Up to 3S18P at VIN=5.0V (Note: SÆ Series; PÆ Parallel)
- Low Quiescent Current: 55 μA
- Over Voltage Protection: 15V
- Inherently Matched LED Current
- Shutdown Current < 1μA
- Reference Voltage 0.235V
- Efficiency : 85% (Typ) at VIN=5.0V
- PWM Dimming Control