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

Rev.1.4 Sep.27, 2019

AX2020



ELECTRICAL CHARACTERISTICS (CONTINUOUS)

The following specifications apply for VIN = 12V, TA=25°C, unless specified otherwise.

Duty cycle range of high frequency

dimming

DPWM_HF

fDIM = 20kHz

4%

-

1

Brightness control range

-

25:1

-

DIM pull up resistor to Internal

supply voltage

RDIM

-

300

-

KΩ

DIM input leakage low

IDIM_L VDIM = 0

-

70

-

μA

Output Switch

Saturation Voltage

VSAT

IOUT = 0.3A

-

0.8

1.0

V

Saturation Voltage

VSAT

IOUT = 0.8A

-

1.0

1.2

V

Continuous SW Current

ISWmean

-

-

1.0

A

SW Leakage Current

ILEAK

-

0.5

5

μA

Thermal Shutdown

Thermal Shutdown Threshold

TSD

-

150

-

°C

Thermal Shutdown hysteresis

TSD-hys

-

35

-

°C



APPLICATION CIRCUIT

D

VIN

CSN

SW

GND

CIN

VIN

DIM

L1

RS

47uH

0.4

AX2020

4.7uF~100uF

1W LED

ILED =

A

325

.

0

4

.

0

130

.

0

R

V

S

CSN

=

=