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參數(shù)資料
| 型號(hào)： | AAT1162IRN-0.6-T1 |
| 廠商： | Advanced Analogic Technologies, Inc. |
| 英文描述： | 12V, 1.5A Step-Down DC/DC Converter |
| 中文描述： | 12V的，1.5A的降壓型DC / DC轉(zhuǎn)換器 |
| 文件頁(yè)數(shù)： | 1/16頁(yè) |
| 文件大?。?/td> | 605K |
| 代理商： | AAT1162IRN-0.6-T1 |
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AAT1162
12V, 1.5A Step-Down DC/DC Converter
1162.2007.09.1.2
1
SwitchReg
General Description
The AAT1162 is an 800kHz high efficiency step-
down DC/DC converter. With a wide input voltage
range of 4.0V to 13.2V, the AAT1162 is an ideal
choice for dual-cell Lithium-ion battery-powered
devices and mid-power-range regulated 12V-pow-
ered industrial applications. The internal power
switches are capable of delivering up to 1.5A to the
load.
The AAT1162 is a highly integrated device, simpli-
fying system-level design. Minimum external com-
ponents are required for the converter.
The AAT1162 optimizes efficiency throughout the
entire load range. It operates in a combination
PWM/Light Load mode for improved light-load effi-
ciency. The high switching frequency allows the use
of small external components. The low current shut-
down feature disconnects the load from V
IN
and
drops shutdown current to less than 1μA.
The AAT1162 is available in a Pb-free, space-sav-
ing, thermally-enhanced 16-pin TDFN34 package-
and is rated over an operating temperature range
of -40°C to +85°C.
Features
Input Voltage Range: 4.0V to 13.2V
Up to 1.5A Load Current
Fixed or Adjustable Output:
— Output Voltage: 0.6V to V
IN
Low 115μA No-Load Operating Current
Less than 1μA Shutdown Current
Up to 96% Efficiency
Integrated Power Switches
800kHz Switching Frequency
Soft Start Function
Short-Circuit and Over-Temperature Protection
Minimum External Components
TDFN34-16 Package
Temperature Range: -40°C to +85°C
Applications
Distributed Power Systems
Industrial Applications
Laptop Computers
Portable DVD Players
Portable Media Players
Set-Top Boxes
TFT LCD Monitors and HDTVs
Typical Application
LX
IN
AIN
AAT1162
EN
PGND
FB
AGND
LDO
COMP
C
47μF
L
2.2μH
Output:
0.6V min,
1.5A max
C
IN
Input:
4.0V ~ 13.2V
DGND
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