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TD1410 Datasheet

2A 380KHZ 20V PWM Buck DC/DC Converter

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T  echcode®
 
 
 
2A 380KHz 20V PWM Buck DC/DC Converter
DATASHEET
TD1410
General Description 
Features   
The TD1410 is a 380 KHz fixed frequency monolithic
step down switch mode regulator with a built in internal
Power MOSFET. It achieves 2A 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 2A Constant Output Current
z 140mRDSON Internal Power PMOSFET Switch
z Up to 95% Efficiency
z Fixed 380KHz Frequency
z Wide 3.6V to 20V Input Voltage Range
z Output Adjustable from 1.222V to 18V
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 TD1410 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 
 
 
 
 
  
 
 
 
Figure 1. Package Types of TD1410 
December,  23,  2009.                                                        Techcode  Semiconductor  Limited                                                  www.techcodesemi.com 
1 




Techcode

TD1410 Datasheet Preview

TD1410 Datasheet

2A 380KHZ 20V PWM Buck DC/DC Converter

No Preview Available !

T  echcode®
 
 
 
2A 380KHz 20V PWM Buck DC/DC Converter
Pin Configurations 
DATASHEET
TD1410
Pin Description 
 
 
Figure 2 Pin Configuration of TD1410 (Top View) 
Pin Number Pin Name Description
1,6, 8
2
3
4
5
7
 
 
NC
Vin
SW
GND
FB
EN
Not Connect.
Supply Voltage Input Pin. TD1410 operates from a 3.6V to 20V DC voltage.
Bypass Vin to GND with a suitably large capacitor to eliminate noise on the input.
Power Switch Output Pin. SW is the switch node that supplies power to the
output.
Ground Pin. Care must be taken in layout. This pin should be placed outside of
the Schottky Diode to output capacitor ground path to prevent switching current
spikes from inducing voltage noise into TD1410.
Feedback Pin. Through an external resistor divider network, FB senses the
output voltage and regulates it. The feedback threshold voltage is 1.222V.
Enable Pin. EN is a digital input that turns the regulator on or off .Drive EN pin
high to turn on the regulator, drive it low to turn it off.
 
December,  23,  2009.                                                        Techcode  Semiconductor  Limited                                                  www.techcodesemi.com 
2 


Part Number TD1410
Description 2A 380KHZ 20V PWM Buck DC/DC Converter
Maker Techcode
Total Page 15 Pages
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