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

Rev.1.4 Oct.16, 2019

AX3161



ELECTRICAL CHARACTERISTICS

(Unless otherwise specified, TA=25°C, VCC=12V. ILOAD = 0.2A)

Characteristics

Symbol

Conditions

Min Typ Max Units

Quiescent Current

IQ

VFB=1.5V for Adjustable

version force driver off

-

4

8

mA

Feedback bias current

IFB

VFB=1.3V

(Adjustable version only)

- -10 -50 nA

Shutdown supply Current

ISD

EN pin=5V

VCC=60V

- 100 200 uA

Oscillator frequency

FOSC

40 52 65 KHz

Oscillator frequency of short

circuit protect

FSCP

(Adjustable) When VFB<0.5V

-

15

-

KHz

(Fixed)When < VOUT*40%

-

15

-

KHz

Max. Duty Cycle (ON)

DC

VFB=0V force driver on

- 100

-

%

Min. Duty Cycle (OFF)

VFB=1.5V for Adjustable

version force driver off

-

0

-

Current limit

ICL

Pear current, No outside circuit

V FB=0V force driver on

2.3

-

-

A

Load Regulation(

△ VOUT/VOUT ) △ VOUT IOUT = 0.2 to 2A

-

0.6 1.2 %

Saturation voltage

VSAT IOUT=2A, No outside circuit

VFB=0V force driver on

-

1.2 1.4

V

SW pin leakage

current

SW Pin=0V

ISW L

No outside circuit

VFB=1.5V for Adjustable

version force driver off

VCC=60V force driver off

-

- -200 uA

SW Pin=-0.8V

-

-5

-

mA

EN pin logic input threshold

voltage

VIL

Low (regulator ON)

-

1.3

0.6

V

VIH

High (regulator OFF)

2.0

-

EN pin logic input current

IH

VEN=2.5V (OFF)

- -0.1 -10 uA

EN pin input current

IL

VEN=0.5V (ON)

- -0.01 -1

uA

Thermal shutdown Temp

TSD

- 150

-

°C