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MPQ28261DL QFN14 MPS美國芯源降壓型DC/DC轉(zhuǎn)換器芯片

21V, 3A, 500kHz Synchronous Step-Down chip

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產(chǎn)品介紹

Product index

The MPQ28261 is a synchronous, rectified, step-down, switch-mode converter with built-in 120mΩ high-side MOSFET and 20mΩ low-side MOSFET. It offers a very compact solution to achieve a continuous 3A output current over a wide input supply range, with excellent load and line regulation. Its synchronous mode operation increases its efficiency over its output current load range, and uses a fixed 500kHz switching frequency.

Current mode operation provides a stabilization. Full protection features include over-current protection and thermal shut down.

The MPQ28261 has an external SS pin to program the soft-start time and power-good signal output. The MPQ28261 requires a minimal number of readily-available standard external components and is available in a space saving 3mmx4mm 14-pin QFN package.

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ordering information

器件類目

產(chǎn)品型號

封裝描述

環(huán)境溫度

是否在產(chǎn)

應(yīng) 用

絲印

同步降壓IC

MPQ28261DL

QFN14

-65~+150°C

是

光纜調(diào)制解調(diào)器、DSL調(diào)制解調(diào)器、置頂盒

2826

典型應(yīng)用

Typical Applications

resource/images/e354a7c6de274c24b84944335686da48_30.jpg

產(chǎn)品特性

Product characteristics

PG Output
OCP and Thermal Shutdown
Fixed 500kHz Switching Frequency
Output Adjustable from 0.603V to 18V

External Soft-Start
1% Reference Voltage Accuracy
3A Maximum Continuous Output Current
Wide 4.5V-to-21V Operating Input Range

應(yīng)用范圍

Scope of application

: 機(jī)頂盒

: 光纜調(diào)制解調(diào)器

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