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PDF TD1507 Data sheet ( Hoja de datos )
| Número de pieza | TD1507 | |
| Descripción | 2.5A 150KHZ PWM Buck DC/DC Converter | |
| Fabricantes | Techcode | |
| Logotipo |  |
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2.5A 150KHZ PWM Buck DC/DC Converter
Datasheet
TD1507
General Description
Features
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.
• 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
October, 20, 2005.
Techcode Semiconductor Limited
1
1 page  
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2.5A 150KHZ PWM Buck DC/DC Converter
Datasheet
TD1507
IL
θJC
Thermal Resistance
Junction to Case
Thermal Resistance
θJA Junction to Ambient
(Note1)
TD1507 Vfb: Output Voltage
ADJ
η: Efficiency
VLOGIC=0.5V(Regulator ON)
TO252-5L
0.02 5
10
uA
OC/W
TO252-5L
50 OC/W
11V≤VIN≤36V, 0.2A≤ILOAD≤ 1.193/
3A, VOUT for 9V
1.180
VIN=12V,VOUT=9V,ILOAD=3A
1.23
1.267/
1.280
88
V
%
Specifications with boldface type are for full operationg temperature range, the other type are for
TJ=25OC.
Note1: Thermal resistance with copper area of approximately 3 in2.
October, 20, 2005.
Techcode Semiconductor Limited
5
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2.5A 150KHZ PWM Buck DC/DC Converter
Design Notes
Datasheet
TD1507
October, 20, 2005.
Techcode Semiconductor Limited
11
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet TD1507.PDF ] | |
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