Datasheet > MP2223

MP2223

更新时间： 2024-11-29 17:01:15

品牌	Logo	应用领域
芯源 - MPS		/
页数	文件大小	规格书
21页	1713K
描述
18V、3A/2A 双通道、540kHz 同步降压变换器，采用 8 引脚 TSOT23 封装

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中文翻译

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MP2223 数据手册

MP2223

18V, Dual-Channel 3A/2A, 540kHz,

Synchronous, Step-Down Converter

in 8-Pin TSOT23 Package

DESCRIPTION

FEATURES

The MP2223 is a dual-channel, synchronous,

rectified, step-down, switch-mode converter

with built-in, internal power MOSFETs. The

MP2223 offers a very compact solution that

achieves 3A/2A of continuous output current

over a wide input supply range.



Wide 4.5V to 18V Operating Input Range

70mΩ/50mΩ for Ch1, 100mΩ/60mΩ for

Ch2, Low R_DS(ON)Internal Power MOSFETs

Up to 3A (Ch1) and 2A (Ch2) Maximum

Continuous Output Current



180° Out-of-Phase Operation

Power-Save Mode for Light Load

540kHz Fixed Switching Frequency

Over-Current Protection (OCP) and Hiccup

Over-Voltage Protection (OVP )

Thermal Shutdown

Both Channel Outputs Adjustable from 0.8V

Available in a TSOT23-8 Package

Two channels operate 180° out-of-phase to

minimize the input capacitor and alleviate EMI.

Current-mode operation provides fast transient

response and eases loop stabilization. Full

protection features include hiccup mode over-

current protection (OCP) and thermal shutdown.

Other features include power-save mode (PSM)

at light load and a separate enable control (EN)

for power-sequence control.

APPLICATIONS



Notebook Systems and I/O Power

Digital Set-Top Boxes

DSL Modems

Flat-Panel Televisions and Monitors

Distributed Power Systems

The MP2223 requires a minimal number of

readily

available,

standard,

external

components and is available in a space saving

8-pin TSOT23 package.

All MPS parts are lead-free, halogen-free, and adhere to the RoHS

directive. For MPS green status, please visit the MPS website under Quality

Assurance. “MPS” and “The Future of Analog IC Technology” are registered

trademarks of Monolithic Power Systems, Inc.

TYPICAL APPLICATION

VIN

12V

C_IN

10µF×2

EN2

EN1

EN2

3.3µH

1.5µH

VOUT2

1.2V

VOUT1

1.8V

SW2

SW1

C_OUT1

22µF×2

MP2223

21kΩ

C_OUT2

22µF

21kΩ

FB1

FB2

20kΩ

100kΩ

GND

16.9kΩ

42.2kΩ

MP2223 Rev 1.0

7/13/2018

www.MonolithicPower.com

MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.

12 3 4 5 6 7...21

中文翻译

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与MP2223相关器件

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MP2224	MPS	获取价格	High-Efficiency, 4A, 18V, 500kHz Synchronous Step-Down Converter
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MP2225	MPS	获取价格	High-Efficiency, 5A, 18V, 500kHz Synchronous, Step-Down Converter
MP2225GJ	MPS	获取价格	High-Efficiency, 5A, 18V, 500kHz Synchronous, Step-Down Converter
MP2227	MPS	获取价格	24V, 3A, 1.3MHz Synchronous Step-Down Converter
MP2227DQ	MPS	获取价格	24V, 3A, 1.3MHz Synchronous Step-Down Converter
MP2228	MPS	获取价格	High-Efficiency, 2A, 16V, 800kHz Synchronous, Step-Down Converter
MP2228GJ	MPS	获取价格	High-Efficiency, 2A, 16V, 800kHz Synchronous, Step-Down Converter
MP2229	MPS	获取价格	High Efficiency 21V, 6A Synchronous Step-Down Converter with External Sync, Low-Power Mode
MP2229GQ	MPS	获取价格	High Efficiency 21V, 6A Synchronous Step-Down Converter with External Sync, Low-Power Mode

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