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AAT1154
EEWorld咨询电话：82357002，82350740－8068 邮件咨询：datasheet@eeworld.com.cn 器件描述：1MHz 3A Buck DC/DC Converter 器件厂商：ANALOGICTECH [Advanced Analogic Technologies] 厂商主页：http://www.analogictech.com/ 文件大小：482.25KB 文件页数：18 PDF阅读：AAT1154.pdf (点击阅读器件资料) 摘要： SwitchReg ? AAT1154 1MHz 3A Buck DC/DC Converter Preliminary Information 1154.2003.08.0.91 1 General Description The AAT1154 SwitchReg? is a member of AnalogicTech?'s Total Power Management? IC product family. The Step-down switching converter is ideal for applications where high efficiency, small size, and low ripple are critical. Able to deliver 3A with an internal power MOSFET, the current-mode controlled IC provides high efficiency. Fully inter- nally compensated, the AAT1154 simplifies system design and lowers external part count. The AAT1154 is available in an SOP-8 package, rated over -40 to 85°C. Features ?V IN Range: 2.7-5.5Volts ? Fixed or adjustable V OUT : 1.0V - 4.2V ? 3A output current ? Up to 95% efficiency ? Integrated low on resistance power switch ? Internally compensated current mode control ? 1MHz switching frequency ? Constant PWM mode ? Low output ripple with light load ? Internal softstart ? Current limit protection ? Over-Temperature protection ? SOP-8 package ? -40 to 85°C Temperature Range Applications ? Computer Peripherals ? Set Top Boxes ? Network Cards ? Cable/DSL Modems ? High efficiency conversion from 5V or 3.3V supply Typical Application OUTPUT INPUT 1.5?H 120?F LX VP FB GND AAT1154 V CC ENABLE 10?F 0.1?F 100? 相关器件：AAT1154IAS-3.3-T1 AAT1154IAS-2.5-T1 AAT1154IAS-1.8-T1 AAT1154IAS-1.0-T1

AAT1154

EEWorld咨询电话：82357002，82350740－8068 邮件咨询：datasheet@eeworld.com.cn

器件描述：1MHz 3A Buck DC/DC Converter
器件厂商：ANALOGICTECH [Advanced Analogic Technologies]
厂商主页：http://www.analogictech.com/
文件大小：482.25KB
文件页数：18
PDF阅读：AAT1154.pdf (点击阅读器件资料)

摘要：
SwitchReg
?
AAT1154
1MHz 3A Buck DC/DC Converter
Preliminary Information
1154.2003.08.0.91 1
General Description
The AAT1154 SwitchReg? is a member of
AnalogicTech?'s Total Power Management? IC
product family. The Step-down switching converter
is ideal for applications where high efficiency, small
size, and low ripple are critical. Able to deliver 3A
with an internal power MOSFET, the current-mode
controlled IC provides high efficiency. Fully inter-
nally compensated, the AAT1154 simplifies system
design and lowers external part count.
The AAT1154 is available in an SOP-8 package,
rated over -40 to 85°C.
Features
?V
IN
Range: 2.7-5.5Volts
? Fixed or adjustable V
OUT
: 1.0V - 4.2V
? 3A output current
? Up to 95% efficiency
? Integrated low on resistance power switch
? Internally compensated current mode control
? 1MHz switching frequency
? Constant PWM mode
? Low output ripple with light load
? Internal softstart
? Current limit protection
? Over-Temperature protection
? SOP-8 package
? -40 to 85°C Temperature Range
Applications
? Computer Peripherals
? Set Top Boxes
? Network Cards
? Cable/DSL Modems
? High efficiency conversion from 5V or 3.3V
supply
Typical Application
OUTPUT
INPUT
1.5?H
120?F
LX
VP
FB
GND
AAT1154
V
CC
ENABLE
10?F
0.1?F
100?

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