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Rev.1.5 Nov.06, 2019

AX5201



PIN ASSIGNMET

The package of AX5201 is SOP-8L-EP; the pin assignment is given by:

( Top View )

1

2

3

4

8

7

6

5

SS

FB

SOP-8L-EP

EN

VCC

SGND

PGND

SW

SW

Exposed

pad

(EP is connect to SW)

Name

Description

SGND Signal Ground pin.

PGND Power Ground pin

EN

Power-off pin

H：normal operation(Step-up)

L：Step-up operation stopped

VCC

IC power supply pin

FB

Feedback pin

SW

Switch pin. Connect external

inductor & diode here.

SS

Soft-Start Pin.



ORDER/MARKING INFORMATION

Order Information

Top Marking

Package Type

ES: SOP-8L-EP

Packing

Blank : Tube

A : Taping

XX X

AX5201

Logo

Y

AX 5

Part number

ID code:internal

WW: 01~52

2 0 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

VCC Pin Voltage

VCC

GND - 0.3 to GND + 22

V

Feedback Pin Voltage

VFB

GND - 0.3 to 6

V

ON/OFF Pin Voltage

VEN

GND - 0.3 to VCC

V

Switch Pin Voltage

VSW

GND - 0.3 to 34

V

SS Pin Voltage

VSS

GND - 0.3 to 6

V

Power Dissipation

PD

Internally limited

mW

Storage Temperature Range

TST

-40 to +150

°C

Operating Junction Temperature

TOPJ

-20 to +125

°C

Thermal Resistance from Junction to case

θJC

15

°C/W

Thermal Resistance from Junction to ambient

θJA

40

°C/W

Note : θJA is measured with the PCB copper area (connect to exposed pad) of approximately 1 in2(Multi-layer).