SM6804 datasheet(3/13 Pages) SAMHOP

tên linh kiện	SM6804

Giải thích chi tiết về linh kiện	WHITE / BLUE LED DRIVER FOR LI- ION BATTERY APPLICATION

PDF	13 Pages

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nhà sản xuất	SAMHOP [SamHop Microelectronics Corp.]

Trang chủ	http://www.samhop.com.tw

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SAMHOP Microelectronics Corp.

WHITE / BLUE LED DRIVER FOR LI- ION BATTERY APPLICATION

POWER DISSIPATION TABLE

TYPICAL APPLICATION

ABSOLUTE MAXIMUM RATINGS

Note:

Exceeding these ratings could cause damage to the device. All voltages are with respect to Ground.

Currents are positive into, negative out of the specified terminal.

Note:

Junction Temperature Calculation; TJ = TA+(PD* θJA)

PD: Power Dissipation, TA: Ambient termperature, θJA : Thermal Resistance-Junction to Ambient

The θJA numbers are guidelines for the thermal performance of the device/PC-board system.

All of the above assume no ambient airflow.

Input Voltage

Output Voltage

Voltage at all other pins

Maximum Junction Temperature

Storage Temperature Range

Lead Temperature (soldering,10 seconds)

Characteristic

VDD

VLEDn

Symbol

-0.3 ~ 7.0

-0.3 ~ 5.5

150

-40 ~ 150

260

Rating

Unit

θ°JA

(oCW)

TA>25oC

Derating factor(mW/oC)

220

4.5

TA<25oC

Power rating(mW)

568

TA=70oC

Power rating(mW)

363

TA=85oC

Power rating(mW)

295

Package

SOT-25

Enable and Logic

Brightness Control

Li-Ion Battery

VDD

EN/CTRL

LED1

LED2

LED3

GND

SM6804

VDD

GND

LED4

220

4.5

568

363

295

SOT-26

180

5.56

695

444

361

MSOP-8

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V.1.0 July 12,2007

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