Datasheet > SP6687

SP6687

更新时间： 2024-02-03 14:22:28

品牌	Logo	应用领域
西伯斯 - SIPEX		驱动器泵
页数	文件大小	规格书
12页	246K
描述
4 Channel Charge Pump White LED Driver

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中文翻译

获取价格

数据手册

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SP6687 数据手册

SP6687

4 Channel Charge Pump White LED Driver

FEATURES

■ High Efficiency > 90%

LED4 13

C1P

VIN

■ Support up to 4 White LEDs with current

SP6687

LED3

matching

16 Pin QFN

LED2

LED1

■ Three Charge Pump Modes: X1, X1.5, X2

■ Soft Start Function

VOUT

ISET

■ Short Circuit Protection

■ Output Overvoltage Protection

■ Thermal Shutdown

■ Programmable LED drive capability

■ PWM Dimming Control

■ 1MHz Fixed Frequency Oscillator

■ Low 1µA Shutdown Current

■ Pin Compatible with SC604

Pin 1

Orientation

Now Available in Lead-Free Packaging

APPLICATIONS

■ Mobile phones

■ White LED Backlighting

■ Camera Flash LED lighting

DESCRIPTION

TheSP6687isacompact,highlyefficientandhighlyintegrated4channelchargepumpwhiteLED

driver. It can support from 1 to 4 White LEDs and is optimized for Li-Ion battery applications.

Current matching allows all 4 LEDs to maintain consistent brightness. Users can control White

LEDs by three programming bits. Each channel can support up to 30mA of current. This device

is available in a 4mm x 4mm, 16 pin QFN package.

TYPICAL APPLICATION CIRCUIT

C2 1µF

C1 1µF

C1N

C2P

C1P

C2N

OUT

1µF

Li-ion

Battery

SP6687

OUT

LED1

LED2

CTRL0

1µF

CTRL1

CTRL2

LED3

LED4

SET

GND

SET

Typical Application Circuit for 4-White LEDs

Date: 11/15/05

SP6687 4Channel Charge Pump White LED Driver

12 3 4 5 6 7...12

中文翻译

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