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PDF EC9409 Data sheet ( Hoja de datos )
| Número de pieza | EC9409 | |
| Descripción | 2A 150KHz PWM Buck DC/DC Converter | |
| Fabricantes | E-CMOS | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de EC9409 (archivo pdf) en la parte inferior de esta página. Total 11 Páginas | ||
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EC9409www.DataSheet4U.com
2A 150KHz PWM Buck DC/DC Converter
Description
The EC9409 is a of easy to use adjustable step-down
(buck) switch-mode voltage regulator. The device is
available in an adjustable output version. It is capable of
driving a 2A load with excellent line and load regulation.
Requiring a minimum number of external omponents,
these regulators are 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
50 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.
Features
z 3,3V,5.0V and Adjustable output versions
z Output adjustable from 1.23v to 43V
z Fixed 150KHz frequency internal oscillator
z Guaranteed 2A output load current
z Input voltage range up to 45V
z Low power standby mode, IQ typically 50 µA
z TTL shutdown capability
z Excellent line and load regulation
z High efficiency
z Thermal shutdown and current limit protection
z Available in advantaged SOP8 and DIP8 package
Applications
z Simple High-efficiency step-down regulator
z On-card switching regulators
z Positive to negative converter
z LCD monitor and LCD TV
z DVD recorder and PDP TV
z Battery charger
z Step-down to 3.3V for microprocessors
Block Diagram
E-CMOS Corp. (www.ecmos.com.tw)
Page 1 of 11
2007/05/02
1 page  
EC9409www.DataSheet4U.com
2A 150KHz PWM Buck DC/DC Converter
Typical Performance Characteristics
Output Voltage vs. Temperature
Switching Frequency vs. Temperature
Output Saturation Characteristics
Quiescent Current vs. Temperature
E-CMOS Corp. (www.ecmos.com.tw)
Page 5 of 11
2007/05/02
5 Page 
EC9409www.DataSheet4U.com
2A 150KHz PWM Buck DC/DC Converter
OUTLINE DRAWING FOR DIP8
E-CMOS Corp. (www.ecmos.com.tw)
Page 11 of 11
2007/05/02
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet EC9409.PDF ] | |
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