AL8821 View Datasheet(PDF) - Diodes Incorporated.

Part Name

Description

Manufacturer

AL8821

40V, 2A BOOST LED DRIVER

Diodes Incorporated. 

AL8821

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

Symbol

Parameters

Conditions

Integrated NMOS_BOOST

VDS

MOS Voltage Stress (Note 6) –

IDS

MOS Current Stress (Note 6) –

RDSON

MOS RDSON

–

Compensation and Soft Start (COMP Pin)

GEA

Error Amplifier Trans-

conductance

IO-H

Sourcing Current

–

VCOMP = 0.5V

IO-L

Sinking Current

VCOMP = 4.5V

VFB

FB Pin Voltage

–

Hysteresis Competitor

VCS_MIN

IHYS

Boost Sense Voltage Low

Level

Hysteresis Current

VCOMP = 0V

–

Over-Temperature Protection

Note 6:

TOTSD

THYS

Thermal Shutdown (Note 6) –

Thermal Shutdown

Hysteresis (Note 6)

–

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

Min

Typ

Max

–

40

–

–

2

–

–

250

–

–

1000

–

–

68

–

–

68

–

–

444

–

–

-90

–

85

100

115

–

+160

–

–

+40

–

Unit

V

A

mΩ

µA/V

µA

µA

mV

mV

µA

ºC

ºC

AL8821

Document number: DS37671 Rev. 1 - 2

4 of 14

www.diodes.com

January 2015

© Diodes Incorporated

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