4/12

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

Rev.1.1 Oct.16, 2019

AX3133



ELECTRICAL CHARACTERISTICS

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

Characteristics

Symbol

Conditions

Min

Typ

Max Units

Feedback Voltage

VFB

VCC = 10V~32V

IOUT = 0 to 2A

Tj=-20°C ~125°C

0.800 0.815 0.830

V

Quiescent Current

ICCQ

VFB=1.2V

force driver off

-

3

6

mA

Feedback Bias Current

IFB

IOUT=0.1A

-

0.1

0.5

uA

Shutdown Supply Current

ISD

VEN/SS =0V

-

3

6

mA

Current Limit

ICL

3.3

-

-

A

Adjustable frequency range

FOSC

50

-

380

KHz

Short frequency

FOSC1 VCC = 10V~32V

45

50

55

KHz

EN/SS Pin Shutdown Logic

input threshold voltage

VENL

-

-

0.8

V

EN/SS Pull high Current

IEN/SS VEN/SS=0V

-

5

-

uA

Internal MOSFET RDSON

RDSON VCC=12V, VFB=0V

-

60

110

mΩ

Efficiency

EFFI

VCC = 12V,

VOUT = 5V,

IOUT = 2A

-

91

-

%

VCC = 28V,

VOUT = 5V,

IOUT = 2A

87