EMD2794 - Regulated Switched Capacitor LED Current Source

Elite MicroPower

Datasheet Details

Part number	EMD2794
Manufacturer	Elite MicroPower
File Size	260.09 KB
Description	Regulated Switched Capacitor LED Current Source
Datasheet	EMD2794-EliteMicroPower.pdf

The EMD2794/EMD2795 is a 1.5x/1.0x charge pump that provides four regulated current sources.

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Regulated current sources with ±0.5% matching High efficiency 3/2 boost function Drives one to four white LEDs. 2.7V to 5.5V input range Up to 80mA output current Analog brightness control frequency is fixed at 1.2MHz to make noise filtering easier. Brightness control can be done by both linear and PWM techniques. Linear control is achieved by applying 0V to 3.0V to the BRGT pin to linearly vary the LED current. PWM Active-low or high shutdown input (‘94/95) Very small solution.

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Published: Jul 21, 2014 |