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參數資料
| 型號： | AAT1155IKS-3.3-T1 |
| 廠商： | Advanced Analog Technology,lnc. |
| 英文描述： | 1MHz 2.5A Step-Down DC/DC Converter |
| 中文描述： | 1MHz的2.5A降壓型DC / DC轉換器 |
| 文件頁數： | 1/17頁 |
| 文件大?。?/td> | 532K |
| 代理商： | AAT1155IKS-3.3-T1 |
SwitchReg
AAT1155
1MHz 2.5A Step-Down DC/DC Converter
1155.2006.09.1.7
1
General Description
The AAT1155 SwitchReg is a step-down switching
converter ideal for applications where high efficien-
cy, small size, and low ripple are critical. Able to
deliver 2.5A with an internal power MOSFET, the
current-mode controlled IC provides high efficien-
cy. Fully internally compensated, the AAT1155 sim-
plifies system design and lowers external parts
count.
The AAT1155 is available in a Pb-free MSOP-8
package and is rated over the -40°C to +85°C tem-
perature range.
Features
5.5V Max Supply Input
Fixed or Adjustable V
OUT
: 1.0V to 4.2V
2.5A Output Current
Up to 95% Efficiency
Integrated Low On Resistance Power
Switches
Internally Compensated Current Mode Control
1MHz Switching Frequency
Constant Pulse Width Modulation (PWM)
Mode
Low Output Ripple with Light Load
Internal Soft Start
Current Limit Protection
Over-Temperature Protection
MSOP-8 Package
-40°C to +85°C Temperature Range
Applications
Cable/DSL Modems
Computer Peripherals
High Efficiency Conversion from 5V or 3.3V
Supply
Network Cards
Set-Top Boxes
Typical Application
OUTPUT
1.5
μ
H
120
μ
F
LX
LX
VP
FB
GND
AAT1155
VCC
EN
10
μ
F
0.1
μ
F
100
Ω
INPUT
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|---|---|
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| AAT1156_07 | 1MHz 700mA Step-Down DC-DC Converter |
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| AAT1171IWP-1-T1 | 600mA Voltage-Scaling Step-Down Converter for RF Power Amplifiers with Bypass Switch |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| AAT1156 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:1MHz 700mA Step-Down DC-DC Converter |
| AAT1156_07 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:1MHz 700mA Step-Down DC-DC Converter |
| AAT1156IVN-T1 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:1MHz 700mA Step-Down DC-DC Converter |
| AAT1157 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:1MHz 1.2A Buck DC/DC Converter |
| AAT1157IVN-T1 | 制造商:Skyworks Solutions Inc 功能描述:DC TO DC CONVERTER |
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