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SP6685ERTR

更新时间： 2024-09-20 22:31:03

品牌	Logo	应用领域
西伯斯 - SIPEX		驱动器闪光灯泵
页数	文件大小	规格书
10页	142K
描述
Charge Pump LED Driver For Camera Flash

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中文翻译

获取价格

数据手册

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SP6685ERTR 数据手册

Preliminary

SP6685

Charge Pump LED Driver For Camera Flash

FEATURES

■ High Output Current Charge Pump: 700mA

■ Adjustable FLASH mode

OUT

GND

SP6685

■ x1 and x2 Automatic Modes for High Efficiency

■ Minimum External Components: No Inductors

■ High Frequency Operation: 2.4 MHz

■ Low 50mV reference for low loss sensing

■ 1 µA shutdown current

10 Pin DFN

FLASH

SET

Now Available in Lead Free Packaging

■ PWM Dimming Control

■ Over voltage protection on output

■ Over current protection

APPLICATIONS

■ LED Torch/Flash for Cell

■ Over temperature protection

Phones, DSCs, and Camcorders

■ Space Saving 10-pin 3mm x 3mm DFN

Package

■ Generic Lighting/Flash/Strobe

Applications

DESCRIPTION

The SP6685 is a current regulated charge pump ideal for powering high brightness LEDs for

camera flash applications. The charge pump can be set to regulate two current levels for

FLASH and TORCH modes. The SP6685 automatically switches modes between step-up

and step-down ensuring that LED current does not depend on the forward voltage. A low

current sense reference voltage (50mV) allows the use of small 0603 current sensing

resistors. The SP6685 is offered in 10-pin DFN package.

TYPICAL APPLICATION CIRCUIT

(2.7 - 4.3V)

OUT

1µF

OUT

4.7µF

GND

SP6685

1W LED

1µF

GND

FLASH

TORCH/FLASH

ENABLE

REF

= 50 - 150mV

SET

88.7K

SENSE

0.22

Ω

Date: 12/15/04

SP6685 Charge Pump LED Driver for Camera Flash

12 3 4 5 6 7...10

中文翻译

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