2/13

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

Rev.2.2 Oct.08, 2019

AX3106



BLOCK DIAGRAM

Vcc

Oscillator

Circuit

Reference Voltage

PWM Switched

Control Circuit

+

-

Vss

VEN

EN

Comp

FB

Thermal

Shutdown

SW

Current

Limit

with Soft Start



PIN ASSIGNMET

The package of AX3106 is SOP-8L; the pin assignment is given by:

( Top View )

1

2

3

4

8

7

6

5

FB

Comp

SOP–8L

Vcc

EN

Vss

Vss

SW

SW

Name

Description

FB

Feedback pin

EN

Power-off pin

H：normal operation(Step-down)

L：Step-down operation stopped

(All circuits deactivated)

Comp Compensation pin

VCC

IC power supply pin

SW

Switch pin. Connect external

inductor/diode here.

VSS

GND pin