SM6804 datasheet(4/13 Pages) SAMHOP

Part #	SM6804

Description	WHITE / BLUE LED DRIVER FOR LI- ION BATTERY APPLICATION

PDF	13 Pages

Scroll/Zoom	100%

Manufacturer	SAMHOP [SamHop Microelectronics Corp.]

Direct Link	http://www.samhop.com.tw

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4 / 13 page

PIN DESCRIPTION (MSOP-8)

SAMHOP Microelectronics Corp.

WHITE / BLUE LED DRIVER FOR LI- ION BATTERY APPLICATION

Pin NO.

I / O

Pin Name

Function Description

BLOCK DIAGRAM

NOTE: Power ground and Ground pin must be short on PCB Board.

PGND

Power ground.

EN/CTRL

VDD

This pin combined enable and output sink current

programming function. Pulling this pin constantly high will

enable the device, Pulsing this pin constantly to GND will

disable the device, To pulsig this pin low will decrease or

increase the output Sink current, Please refer to the

application section for further informaiton.

Power supply

GND

Ground

5~8

LED1~LED4

Output pins, connect to LED's cathode.

Current BIAS

EN/CTRL

Pulse

Control

Output Step

Control

Voltage

Reference

Driver 2

Driver 3

Driver 4

Driver 1

LED1

LED2

LED3

LED4

Page 3

V.1.0 July 12,2007

SM6804 Datasheet(PDF) 4 Page - SamHop Microelectronics Corp.

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