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參數(shù)資料
| 型號： | AIC1401CS |
| 廠商： | Analog Integrations Corporation |
| 英文描述： | PWM Step-Down Switching Controller with Shutdown |
| 中文描述： | PWM升壓型開關(guān)控制器關(guān)機(jī) |
| 文件頁數(shù)： | 1/5頁 |
| 文件大?。?/td> | 91K |
| 代理商： | AIC1401CS |
AIC1401
PWM Step-Down Switching Controller with
Shutdown
Analog Integrations Corporation
4F, 9, Industry E. 9th Rd, Science Based Industrial Park, Hsinchu Taiwan, ROC
www.analog.com.tw
DS-1401-00 May 24, 01
TEL: 886-3-5772500
FAX: 886-3-5772510
1
n
FEATURES
l
Operation Voltage up to 15V
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Voltage-Mode Operation
l
Fast Transient Response
l
Built In Accurate 1.3V Voltage Reference
l
Adjustable Over Current Protection using
R
DS(ON)
No External Current Sense Resistor
Required
l
Low Shutdown Current
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200KHz Free-Running Oscillator
l
Built in Soft Start.
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APPLICATIONS
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Notebook PC
l
Advanced PC Mboards
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Information PCs
l
Servers and Workstations
l
PC Add-On Cards
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DESCRIPTION
The AIC1401 is a high efficiency, PWM step-
down, voltage-mode, switching controller. It is
suitable for IA, Notebook, LCD PC and LCD
monitor main power applications.
The built-in high voltage CMOS driver drives an
external N-channel MOSFET for replacing the
higher cost P-channel MOSFET in a standard
buck topology.
The 200KHz switching frequency allows using
smaller external components while maintaining
high
bandwidth and 6V/us slew rate of the error
amplifier
ensures
the
conversion
efficiency.
The
11MHz
higher
converter
bandwidth and the fast transient response.
The AIC1401 also features over current
protection. It provides adjustable over current
trigger point and short-circuit protections by
sensing the output current across the on
resistance of the external N-channel MOSFET
rather then an expensive external low value
sense resistor.
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ORDERING INFORMATION
AIC1401-XX
ORDER NUMBER
AIC1401CS
(SOP8)
PIN CONFIGURATION
TOP VIEW
LX
1
3
4
2
VCC
/SHDN
COMP
FB
UG
GND
8
6
5
7
OCSET
PACKAGE TYPE
S: SMALL OUTLINE
TEMPERATURE RANGE
C: 0
°
C ~+70
°
C
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