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

Rev.1.7 Nov.13, 2019

AX6631



PIN ASSIGNMENT

The packages of AX6631 are SOP-8L and TO252-5L; the pin assignment is given by:



ORDER/MARKING INFORMATION

Order Information

Top Marking

AX6631 XX X

S : SOP-8L

Package

Packing

Blank:Bulk

A : Taping

D5 : TO252-5L

Logo

Y

AX 6

Part number

ID code:internal

WW: 01~52

6 3 1

Y WW X

Year: 18=2018

19=2019

20=2020

21=2021

22=2022

:

45=2045



ABSOLUTE MAXIMUM RATINGS (at TA=25°C)

Characteristics

Symbol

Rating

Unit

VIN Pin Voltage

VIN

GND - 0.3 to GND + 6

V

Output Voltage

VOUT GND - 0.3 to VIN + 0.3

V

EN Pin Voltage

VEN

GND - 0.3 to + 6

V

FB Pin Voltage

VFB

GND - 0.3 to + 6

V

Power Dissipation

PD

SOP8=1.65, TO252=2.22

W

Storage Temperature Range

TST

-40 to +150

°C

Operating Temperature Range

TOP

-40 to +85

°C

Junction Temperature

TJ

-40 to +125

°C

Thermal Resistance from Junction to case

θJC

SOP8=20, TO252=10

°C/W

Thermal Resistance from Junction to ambient

θJA

SOP8=60, TO252=45

°C/W

Note: θJA is measured with the PCB copper area of approximately 1 in2(Multi-layer). That need connect to GND/ Tap pin.

( Top View)

1

2

3

4

8

7

6

5

VOUT

FB

SOP-8L

EN

VIN

GND

GND

GND

GND

Name

Description

EN

Active-Low Shutdown Input. A logic

low reduces the supply current to

less than 1µA. Connect to VIN or

Floating for normal operation.

VIN

Input voltage

GND Ground

VOUT

Regulator Output Voltage.

Adjustable from 0.8V to 5.5V.

FB

Feedback Input for Setting the

Output Voltage. Connect to an

external

resistor

divider

for

adjustable output operation.

TO252-5L

1 EN

4 VOUT

3 GND

2 VIN

5 FB

( Top View )

( Side View )

Metal

Tab

GND