TD1583 View Datasheet(PDF) - Unspecified
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TD1583 Datasheet PDF : 16 Pages
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Techcode®
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.
z 3A Constant Output Current
z 80mΩ RDSON Internal Power PMOSFET Switch
z Up to 95% Efficiency
z Fixed 380KHz Frequency
z Wide 3.6V to 28V Input Voltage Range
z Output Adjustable from 1.222V to 26V
z Built in Frequency Compensation
z Built in Thermal Shutdown Function
z Built in Current Limit Function
z SOP-8 Package is Available
z The minimum dropout up to 0.3V
The TD1583 serves as ideal power supply units for Applications
portable devices.
z Portable DVD
z LCD Monitor / TV
z Battery Charger
z ADSL Modem
z Telecom / Networking Equipment
Package Types
December, 23, 2009.
Figure 1. Package Types of TD1583
Techcode Semiconductor Limited
1
www.techcodesemi.com
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