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PDF AT1796 Data sheet ( Hoja de datos )
| Número de pieza | AT1796 | |
| Descripción | Step-Down Switching Regulator | |
| Fabricantes | Aimtron Technology | |
| Logotipo |  |
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AT1796
Preliminary Product Information
150kHz, 3A Step-Down Switching Regulator
Features
․3.3V and 5V output versions
․Guaranteed 3A output load current
․Requires small number ofexternal components
․Excellent line and load regulation
․150kHz fixed frequency internal oscillator
․Built-in TTL On/Off Control
․Low power standby mode, IQ typically 80uA
․Built-in current limit protection
․Built-in thermal shutdown circuit.
․Operating voltage: 4.5V~25V
․TO-265 package
Applications
High-efficiency step-down regulator
TFT Scalar Board
On-card switching regulators
Description
The AT1796 series of regulators are step-down
(buck) DC/DC converter, capable of driving a
3A load with excellent line and load regulation.
Requiring a minimum number of external
components, these regulators are simple to use .
The AT1796 series operates at a switching
frequency of 150kHz.Available in a standard
5-lead TO-263 surface mount package. It include
a guaranteed ±4% tolerance on output voltage
under specified input voltage and output load
conditions, and ±15% on the oscillator
frequency.
Block Diagram
Aimtron reserves the right without notice to change this circuitry and specifications.
7F, No.9, PARK AVENUE II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.
Tel: 886-3-563-0878 Fax: 886-3-563-0879
WWW: http://www.aimtron.com.tw
2/15/2006 REV : 1.1
Email: [email protected]
1
1 page  
AT1796
Preliminary Product Information
150kHz, 3A Step-Down Switching Regulator
CH1:SHDN CH2:5V Output CH3:OUT CH4:IIN
Fig1. 5V/2A Output
Fig2. 5V/3A Output
7F, No.9, PARK AVENUE II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.
Tel: 886-3-563-0878 Fax: 886-3-563-0879
WWW: http://www.aimtron.com.tw
2/15/2006 REV : 1.1
Email: [email protected]
5
5 Page 
AT1796
Preliminary Product Information
150kHz, 3A Step-Down Switching Regulator
Package outlines: TO-265
7F, No.9, PARK AVENUE II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.
Tel: 886-3-563-0878 Fax: 886-3-563-0879
WWW: http://www.aimtron.com.tw
2/15/2006 REV : 1.1
Email: [email protected]
11
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet AT1796.PDF ] | |
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