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Rev.1.4 Sep.23, 2019

AX2004

High Current LED Driver



GENERAL DESCRIPTION

AX2004 is a low dropout current regulator for high current LED Driver. The output

current was decided by external resistor. Build-in thermal shutdown and current limit

protection function.



FEATURES

-

Input Voltage: 4V to 24V

-

Up to 1A Maximum Output Current.

-

3% Output current setting accuracy.

-

External resistor to set LED Current.

-

Built-in thermal shutdown

-

Available in SOT89-5L and SOP-8L Pb-Free Packages

-

RoHS and Halogen free compliance



PIN ASSIGNMENT

SOT89-5L

(Top View)

3

2

1

5

4

SET

GND COMP/SD

VCC

PVCC

AX2004

( Top View )

1

2

3

4

8

7

6

5

COMP/SD

VCC

SOP–8L

SET

PVCC

GND

GND

GND

GND

Name

Description

GND

Ground

SET

LED current setting input.

Connect a resistor from SET

to GND to set LED current.

PVCC

The LEDs are connected from

this pin to VCC.

VCC

Input Supply Voltage

COMP/SD Compensation pin and

shutdown function.