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

Rev.1.4 Oct.04, 2019

AX3015



BLOCK DIAGRAM

130KHz

OSC.

START-UP and

Auto restart control

+

+

Thermal

Shutdown

CONTROL

+

DRIVER

COMP.

Vss

SW

FB

2.0A

SWITCH

COMP.

VCC

Current

limit

+

_

AMP

CURRENT

SOURCE

BIAS

1.23V

REFERENCE

2.5V

REGULATOR

SENSE1

1.08V

EN/CT

SENSE2

140mV

+

_

AMP

+

_

AMP

0.4V

SCP

OVP

OVP

1.25V



PIN ASSIGNMENT

The package of AX3015 is SOP-8L-EP; the pin assignment is given by:

( Top View)

1

2

3

4

8

7

6

5

SW

SOP-8L-EP

Vss

FB

EN/CT

OVP

Vcc

SENSE1

Vss

SENSE2

Name

Description

VCC

Operating voltage input

VSS

GND pin

FB

Output voltage feedback control

SW

Switch pin. Connect external

inductor and diode here

SENSE1 Current Sense input1

SENSE2 Current Sense input2

EN/CT

Shutdown and auto restart

control pin

OVP

Over voltage detect pin



ORDER/MARKING INFORMATION

Order Information

Top Marking

Package Type

ES: SOP-8L-EP

AX3015 XX X

Packing

Blank : Tube

A : Taping

Logo

Y

AX 3

Part number

ID code:internal

WW: 01~52

Year: 18=2018

19=2019

20=2020

21=2021

22=2022

0 1 5

Y WW X

:

45=2045