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Rev.2.1 Oct.04, 2019

AX3050/A



PIN ASSIGNMENT

The package of AX3050/A is SOP-8L-EP; the pin assignment is given by:

( Top View )

1

3

4

8

7

6

5

BS

LX

SOP-8L-EP

SENSE1

GND

VIN

GND

FB

COMP

SENSE2

2

Name

Description

BS

Bootstrap Pin. This provides

power to the internal

high-side MOSFET gate

driver.

Connect a 0.1uF capacitor

from BS pin to LX pin.

LX

Power Switching Output to

External Inductor.

SENSE1

Current Sense input1

SENSE2

Current Sense input2

FB

Output voltage feedback

control

COMP

Error Amplifier Output. This

pin is used to compensate

the converter.

VIN

Power Supply Input. Bypass

this pin with a 0.1uF ceramic

capacitor to GND, placed as

close to the IC as possible.

GND

GND pin



ORDER/MARKING INFORMATION

Order Information

Top Marking

Package Type

AX3050 X XX X

Packing

Blank : Tube

A : Taping

ES: SOP-8L-EP

Blank:100KHz

A:250KHz

Note:

Bin 2: ±5%, Bin 3: ±15% (Sense Voltage)

AX 3

Logo

Part number

ID code: internal

WW: 01~52

Year: 18=2018

19=2019

20=2020

21=2021

22=2022

Y Y W W X

0 5 0

:

45=2045

A

AX3050A