2/17

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

Rev.1.1 Nov.05, 2019

AX3984



APPLICATION

-

Data comm. xDSL CPE Graphics Cards

-

Set-Top-Box, DVD

-

Servers/Networking

-

DSP and FPGA Power Supply

-

Telecomm Equipments

-

DC-DC Regulator Modules

-

LCD Monitor and LCD TV



TYPICAL APPLICATION

VIN

BS

VSW

FB

COMP

GND

EN

L

10uH

R2

10K

Cout

22uFx2

Cs

Rc

Cbs

10nF

Input

4.5 to 23V

Cin

22uF/25V

MLCC

R1

26.1K

AX3984

Cp

SS

Css

10nF

Output

3.3V

Cup

Option

Figure 1. AX3984 Typical Operating Circuit