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TD1507T Datasheet(Fiches technique) 1 Page - List of Unclassifed Manufacturers

Numéro de pièce TD1507T
Description  2.5A 150KHZ PWM Buck DC/DC Converter
Télécharger  11 Pages
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TD1507T Datasheet(HTML) 1 Page - List of Unclassifed Manufacturers

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Datasheet
2.5A 150KHZ PWM Buck DC/DC Converter
TD1507
October, 20, 2005.
Techcode Semiconductor Limited
1
General Description
The TD1507 is a easy to use adjustable
step-down (buck) switch-mode voltage regulators.
The device is available in an adjustable output
version. It is capable of driving a 2.5A load with
excellent line and load regulation.
Requiring
a
minimum
number
of
external
components, the regulator is simple to use and
include internal frequency compensation, and a
fixed-frequency oscillator.
The
output
voltage
is
guaranteed
to
±3%
tolerance under specified input voltage and
output load conditions. The oscillator frequency is
guaranteed to ±15%. External shutdown is
included, featuring typically 80 µA standby current.
Self protection features include a two stage
frequency reducing current limit for the output
switch and an over temperature shutdown for
complete protection under fault conditions.
The TD1507 is available in TO252-5L package.
Features
Adjustable output version
Output adjustable from 1.23v to 34V
Fixed 150KHz frequency internal oscillator
Guaranteed 2.5A output load current
Input voltage range up to 36V
Low power standby mode, IQ typically 70 µA
TTL shutdown capability
Excellent line and load regulation
High efficiency
Thermal shutdown and current limit protection
Available in TO252-5L package
Applications
Simple High-efficiency step-down regulator
On-card switching regulators
Positive to negative converter
LCD monitor and LCD TV
DVD recorder and PDP TV
Battery charger
Step-down to 3.3V for microprocessors
Package Types
TO252-5L
Figure 1. Package Types of TD1507


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