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PDF A7642 Data sheet ( Hoja de datos )
| Número de pieza | A7642 | |
| Descripción | DC-DC CONVERTER/BOOST | |
| Fabricantes | AiT Semiconductor | |
| Logotipo |  |
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AiT Semiconductor Inc.
www.ait-ic.com
A7642
DC-DC CONVERTER/BOOST (STEP-UP)
1MHz, 2A PWM REGULATOR
DESCRIPTION
A7642 is an asynchronous PWM boost converter
using a constant frequency peak current mode. An
external Schottky diode is needed. At light load,
A7642 works in the light load mode. The supply
current during the light mode is 100uA , together
with the 200mΩ internal NMOS power transistor
guarantees high efficiency in the whole output load
current range. Up to 2A peak current, Let A7642
can provide 1A output load current, which is
suitable to use as MID and mobile power supply.
The input voltage 3V~25V.The operating frequency
is internally set at 1MHz.
The A7642 is available in SOT-26 package.
FEATURES
High Efficiency: Up to 92%
1.0MHz Constant Switching Frequency
Switch current up to 2A
Low RDS(ON): 0.2Ω
Accurate Reference:0.6V
Tiny External Components
Available in SOT-26 Package
APPLICATION
WLED Drivers
Networking cards powered from PCI or PCI-express
slots
MID and Mobile Power
TYPICAL APPLICATION
ORDERING INFORMATION
Package Type
Part Number
SOT-26
A7642E6R
E6
A7642E6VR
V: Halogen free Package
Note
R: Tape & Reel
SPQ: 3,000/pcs
AiT provides all RoHS products
Suffix “ V “ means Halogen free Package
Figure 1. Basic Application Circuit with A7642
REV1.0
- JUN 2014 RELEASED -
-1-
1 page  
AiT Semiconductor Inc.
www.ait-ic.com
BLOCK DIAGRAM
A7642
DC-DC CONVERTER/BOOST (STEP-UP)
1MHz, 2A PWM REGULATOR
REV1.0
- JUN 2014 RELEASED -
-5-
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet A7642.PDF ] | |
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