EUP2794 Datasheet White LED Driver

Manufacturer: Eutech Microelectronics

Overview: EUP2794 White LED Driver with 1X /1.5X High-Efficiency Charge.

EUP2794 white led driver by Eutech Microelectronics - Datasheet Preview

Datasheet Details

Part number	EUP2794
Manufacturer	Eutech Microelectronics
File Size	482.25 KB
Description	White LED Driver
Download	EUP2794 Download (PDF)

General Description

The EUP2794 is a low noise, constant frequency charge pump that uses a dual mode load switch (1X) and fractional (1.5X) conversion to maximize efficiency for white LED applications.

The EUP2794 delivers up to 80mA of load current and provides four regulated current sources, each capable of driving up to 20mA through white LEDs.

All LED pin currents are regulated, constant and tightly matched to achieve uniformity of brightness across the LCD backlight.

Key Features

z z z z z z z z z z z Regulated Current Sources with 0.6% Mis-matching between any Two Outputs High Efficiency 1.5X Charge Pump Drives One, Two, Three or Four White LEDs 2.7V to 5.5V Input Voltage Up to 80mA Output Current Analog or PWM Brightness Control Soft Start Function Low Shutdown Current 900kHz Switching Frequency (typ. ) Tiny 3mm × 3mm QFN-16 Package RoHS Compliant and 100% Lead(Pb)-Free.

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