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دیتاشیت - Techcode - 3A 380Khz 28V PWM Buck DC/DC Converter

شماره قطعه TD1583
شرح مفصل 3A 380Khz 28V PWM Buck DC/DC Converter
تولید کننده Techcode 
آرم Techcode 


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TD1583 شرح
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3A 380KHZ 28V PWM Buck DC/DC Converter
Datasheet
TD1583
General Description
Features
The TD1583 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 TD1583 serves as ideal power supply
units for portable devices.
 3A Constant Output Current
 80mRDSON 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
 SOP-8 Package is Available
 The minimum dropout up to 0.3V
 Applications
 Portable DVD
 LCD Monitor / TV
 Battery Charger
 ADSL Modem
 Telecom / Networking Equipment
Figure 1 Package Type of TD1583
September, 2006
Techcode Semiconductor Limited
1

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