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TD1583PR_06 View Datasheet(PDF) - Unspecified

Part Name
TD1583PR_06 Datasheet PDF : 13 Pages
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3A 380KHZ 28V PWM Buck DC/DC Converter
General Description
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
The TD1583 serves as ideal power supply
units for portable devices.
 3A Constant Output Current
 80mRDSON Internal Power PMOSFET
 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

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