Datasheet > AL8821

AL8821

更新时间： 2022-02-26 12:45:31

品牌	Logo	应用领域
美台 - DIODES		驱动
页数	文件大小	规格书
14页	270K
描述
BOOST LED DRIVER

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AL8821 数据手册

AL8821

Electrical Characteristics (Cont. @T_A= +25°C, unless otherwise specified.)

Symbol

Parameters

Conditions

Min

Typ

Max

Unit

Integrated NMOS_BOOST

MOS Voltage Stress (Note 6)

MOS Current Stress (Note 6)

MOS R_DSON

—

V_DS

I_DS

250

mΩ

R_DSON

Compensation and Soft Start (COMP Pin)

Error Amplifier Trans-

conductance

GEA

—

1000

—

µA/V

µA

Sourcing Current

I_O-H

V_COMP= 0.5V

V_COMP= 4.5V

—

Sinking Current

FB Pin Voltage

µA

I_O-L

V_FB

444

Hysteresis Competitor

Boost Sense Voltage Low

Level

—

-90

—

µA

V_{CS MIN}

V_COMP= 0V

Hysteresis Current

—

100

115

I_HYS

Over-Temperature Protection

Thermal Shutdown (Note 6)

—

+160

+40

—

°C

T_OTSD

T_HYS

Thermal Shutdown

Hysteresis (Note 6)

Note 6:

These parameters, although guaranteed by design, are not 100% tested in production.

4 of 14

www.diodes.com

February 2017

AL8821

Document number: DS37671 Rev. 2 - 2

1 2 345 6 7...14

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