Datasheet > DIO54270

DIO54270

更新时间： 2024-04-09 18:59:39

品牌	Logo	应用领域
帝奥微 - DIOO		/
页数	文件大小	规格书
11页	1233K
描述
The DIO54270 is high-efficiency, high frequency synchronous step-down DC-DC regulator ICs capable

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DIO54270 数据手册

Rev 1.3

DIO54270

High-Efficiency 2 A, 28 V Input Synchronous

Step Down Converter

Features

Descriptions



Low R_DS(ON)for internal switches (top/bottom)

The DIO54270 is a high-efficiency, high frequency

synchronous step-down DC-DC regulator IC

capable of delivering up to 2 A output currents.

The DIO54270 family operate over a wide input

voltage range from 4.5 V to 28 V and integrate

main switch and synchronous switch with very

low R_DS(ON)to minimize the conduction loss.

120 mΩ/75 mΩ, 2.0 A



4.5 ~ 28 V input voltage range

High-efficiency synchronous-mode

Internal soft-start limits the inrush current

Overcurrent protection

Thermal shutdown

Green package:

TSOT23-6 is pin compatible

The DIO54270 adopts the COT architecture to

achieve fast transient responses for high step

down applications and high efficiency at light

loads. In addition, it operates at pseudo-constant

frequency of 500 kHz under heavy load conditions

to minimize the size of inductor and capacitor.

Applications

Function Block



Meters and PLC Modules

Industrial Control

Portable TV

Ordering Information

Order Part

Top Marking

Number

T_A

Package

DIO54270TST6

70YW

Green

-40 to +105°C

TSOT23-6

Tape & Reel, 3000

www.dioo.com

DIO54270• Rev. 1.3

12 3 4 5 6 7...11

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