ST Life.augmented


5 channels step-up white LED driver
  • active Active

The STLED25 is a fixed frequency, high efficiency, boost DC-DC converter with five parallel high side current sources. It is capable of providing 125 mA of total current with a maximum voltage of 7.5 V on each channel. Each current source supports single or dual LED connection. The output voltage of the step-up converter is automatically set at 100 mV above the highest voltage required on any driver, to guarantee proper operation of the linear current sources. The device implements a self-test feature to detect failure of any of the LEDs and to disable the related channel. The failure status is reset as soon the IC is disabled. This mode of failure detection allows the device to continue operating driver channels that are functioning normally, while avoiding excessive power consumption or associated thermal issues. The control technique is able to maintain the efficiency close to 87% at medium load and higher than 85% at light or full load. The device also includes soft-start control, inrush current limit, thermal shutdown and inductor peak current limit. The STLED25 is packaged in a 12-bump CSP (1.4 x 1.8 mm, 0.5 mm height).

pdf Please read
Errata Sheet
pdf データシート

Key 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.



Technical Documentation

Product Specifications

Description Version Size
DS8694: 5 channels step-up white LED driver
3.0 2,174 KB

サンプル& 購入

製品型名 Marketing StatusPackagePacking TypeOperating Temperature (min) Operating Temperature (max) Automotive GradeOrder From STUnit Price (US$)*
Distributor AvailabilityRoHS Compliance GradeDownload
Material Declaration**
STLED25JRActiveChip Scale Package 0.4mm pitchTape And Reel-3085_-Distributor reported inventory date: 2016-02-13
Distributor NameRegionStockMin. order

(*)ユニット当たりの推奨再販価格(米ドル建て)は、あくまで予算的な参考情報としてご利用下さい。現地通貨ベースでのお見積り、価格については 弊社セールスオフィス もしくは 販売代理店 にお問合せ下さい。
(**)弊社ホームページで入手できるMaterial Declaration(材料宣誓書)のフォームは、各パッケージ・タイプで最も一般的に使用されるパッケージに基づいた包括的な文書です。そのため、特定のデバイスについて100%正確ではない可能性があります。特定のデバイスに関する情報については、 弊社セールスオフィス にお問合せ下さい。
Feedback Form
Customer Feedback