Datasheet > SP7615_06

SP7615_06

更新时间： 2024-11-21 04:03:19

品牌	Logo	应用领域
西伯斯 - SIPEX		驱动器
页数	文件大小	规格书
11页	287K
描述
Four Channel Constant Current LED Driver

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中文翻译

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数据手册

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SP7615_06 数据手册

SP7615

Four Channel Constant Current LED Driver

FEATURES

LED1

LED2

LED3

LED4

■ Cost Effective LED driver

SP7615

8 Pin DFN

■ Constant current output ideal for Driving LED strings

GND

■

Four Channel LED Driver provides matched LED

SET

current

■ Current adjusted via an external resistor

■ PWM dimming possible

Now Available in Lead Free Packaging

■ Small 2mm x 3mm DFN package

■ Outputs can be connected in parallel to

increase drive

APPLICATIONS

■ Next Generation Mobile Phones

■ PDA, DSC, MP3 Players

■ Handheld Computers

■ LCD Display Modules

■ Keyboard Backlight

■ LED Displays

■ Constant current for wide cathode voltage range

(1.0V to 16V)

■ Highly integrated design, minimal components

■ Thermal shutdown protects the driver

DESCRIPTION

The SP7615 is a linear constant current driver designed to drive multiple LEDs in series from

a high input voltage rail. The driver acts as a high current matched, four-channel current

source ensuring constant LED current for a range of input voltages. The SP7615 allows

implementing the lowest cost LED driver for a variety of applications. Internal circuitry

maintains the pre-set constant current output for a wide voltage range at the LED outputs

(LED1,2,3,4). LED current can be adjusted up to 125mA per string with an external resistor.

The dimming can be achieved by controlling the I_SETinput or by feeding a PWM signal to

the EN pin. Fast EN turn-on and turn-off time allows for very fast PWM dimming frequencies,

completely eliminating flicker. The built-in thermal protection automatically adjusts LED

current to prevent overheating.

TYPICAL APPLICATION SCHEMATIC

LED1

LED2

LED3

LED4

SP7615

GND

SET

GND

Oct 23-06

SP7615 Four Channel Constant Current LED Driver

12 3 4 5 6 7...11

中文翻译

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