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Микросхема EC9483-F SOP-8

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21-12-2019 в 22:09
27,61 руб
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Купить Микросхема EC9483-F SOP-8

3A 380KHZ 28V PWM Buck DC/DC Converter

General Description

The EC9483 is a 380 KHz fixed frequency monolithic step down switch mode regulator with a

built in internal Power MOSFET. It achieves 3A continuous output current over a wide input supply

range with excellent load and line regulation. The device includes a voltage reference,

oscillation circuit, error amplifier, internal PMOS and etc. The PWM control circuit is able to adjust the duty

ratio linearly from 0 to 100%. An enable function, an over current protection function and a short

circuit protection function are built inside. An internal compensation block is built in to minimize

external component count. The EC9483 serves as ideal power supply units for portable devices.

Features

3A Constant Output Current

140mΩ RDSON Internal Power PMOSFET

Switch

Up to 95% Efficiency

Fixed 380KHz Frequency

Wide 3.6V to 28V Input Voltage Range

Output Adjustable from 1.222V to 26V

Built in Frequency Compensation

Built in Thermal Shutdown Function

Built in Current Limit Function

SOP8 Package is Available

The minimum dropout up to 0.3V

Applications

Portable DVD

LCD Monitor / TV

Battery Charger

ADSL Modem

Telecom / Networking Equipment

Datasheet

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2559

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