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STLED25

Part Number	STLED25
Manufacturer	STMicroelectronics
Description	5 channels step-up white LED driver
Published	Nov 15, 2011
Detailed Description	STLED25 5 channels step-up white LED driver Datasheet − production data Features ■ Operating input voltage range fro...
Datasheet	STLED25 PDF File

Overview

STLED25 5 channels step-up white LED driver Datasheet − production data Features ■ Operating input voltage range from 2.
3 V to 5.
5 V ■ ± 7.
5% LED current accuracy ■ Two LEDs in series per channel ■ High side current source ■ Up to 125 mA of total LED current ■ 86% efficiency at 100 mA ■ PWM dimming with automatic shutdown time window ■ 2.
5 MHz switching frequency ■ CSP 12 bumps 0.
4 mm.
pitch 1.
4 x 1.
8 mm.
Applications ■ LCD backlight with up to 10 LEDs ■ Cellular phones ■ PDAs Description Flip-Chip 12 bumps (1.
4 x 1.
8 mm.
) continue operating driver channels that are functioning normally, while avoiding excessive power consumption or associated thermal issues.
The control technique is ab...

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