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Axelite Confidential Materials, do not copy or distribute without written consent.

Rev.1.4 Sep.23, 2019

AX2004



ELECTRICAL CHARACTERISTICS

(VCC = 12V, TA = 25°C, unless otherwise specified)

Characteristics

Symbol

Conditions

Min Typ Max Unit

VCC input voltage

VCC

RSET = 20Ω

4

-

24

V

Quiescent Current

ICCQ

LED open, IOUT=0mA

-

1.5

3

mA

SET Voltage

VSET

VCC-VLED > 2.5V

204 210 216 mV

Dropout Voltage

PVCC - VSET VSET=2%VSET; RSET = 1Ω

-

0.2 0.5

V

Output Current limit

CL

1.2

-

-

A

Dimming Frequency

FDIM

-

-

2

KHZ

Comp Current

ICOMP

VCOMP = 0V, VCC = 12V

-

80 120 μA

Shutdown Current

IVCC-SD

VCOMP = 0V

-

1

2

mA

IPVCC-SD

-

-

1

μA

Shutdown voltage

VSD

-

-

0.8

V

Thermal shutdown

TSD

-

150

-

°C

Thermal Shutdown Hysteresis

TSH

-

40

-

°C



APPLICATION CIRCUIT

RSET

0.6Ω

PVCC

SET

1µF

GND

VCC

COMP/SD

3.3nF

C1

C2

VIN=12V

LED

Dimming

/SD

1uF

R1

10KΩ

ILED =

SET

SET

R

V

, VSET = 0.21V

PD = (12V – VLED) × ILED

0.2Ω ≦ RSET ≦ 1K