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參數(shù)資料
| 型號： | AAT2513IVN-AA-T1 |
| 廠商： | Advanced Analog Technology,lnc. |
| 英文描述： | Dual 600mA Step-Down Converter with Synchronization |
| 中文描述： | 雙600mA降壓轉(zhuǎn)換器的同步 |
| 文件頁數(shù)： | 1/22頁 |
| 文件大小： | 693K |
| 代理商： | AAT2513IVN-AA-T1 |
General Description
The AAT2513 is a high efficiency dual synchronous
step-down converter for applications where power
efficiency, thermal performance and solution size
are critical. Input voltage ranges from 2.7V to 5.5V,
making it ideal for systems powered by single-cell
lithium-ion/polymer batteries.
Each converter is capable of 600mA output current
and has its own enable pin. Efficiency of the con-
verters is optimized over full load range. Total no
load quiescent current is 60μA, allowing high effi-
ciency even under light load conditions.
The integrated power switches are controlled by
pulse width modulation (PWM) with a 1.7MHz typi-
cal switching frequency at full load, which minimizes
the size of external components. Fixed frequency,
low noise operation can be forced by a logic signal
on the MODE pin. Furthermore, an external clock
can be used to synchronize the switching frequency
of both converters.
A phase shift pin (PS) is available to operate the
two converters 180° out of phase at heavy load to
achieve low input ripple.
The AAT2513 is available in a Pb-free, thermally
enhanced 16-pin QFN33 package and is specified
for operation over the -40°C to +85°C temperature
range.
Features
V
IN
Range: 2.7V to 5.5V
Output Current:
— Channel 1: 600mA
— Channel 2: 600mA
96% Efficient Step-Down Converter
Low No Load Quiescent Current
— 60μA Total for Both Converters
Integrated Power Switches
100% Duty Cycle
1.7MHz Switching Frequency
Optional Fixed Frequency or External SYNC
Logic Selectable 180° Phase Shift Between
the Two Converters
Current Limit Protection
Automatic Soft-Start
Over-Temperature Protection
QFN33-16 Package
-40°C to +85°C Temperature Range
Applications
Cellular Phones / Smart Phones
Digital Cameras
Handheld Instruments
Micro Hard Disc Drives
Microprocessor / DSP Core / IO Power
PDAs and Handheld Computers
AAT2513
Dual 600mA Step-Down
Converter with Synchronization
Typical Application
Input:
2.7V to 5.5V
VIN2
LX1
C
IN
1μF
C2
4.7μF
AAT2513
2μH
L1
R1
R2
R3
R4
L2
LX2
FB1
FB2
VOUT2
2μH
C1
4.7μF
PGND1
AGND
VCC
EN1
EN2
MODE/SYNC
PS
PGND2
VIN1
VOUT1
2513.2007.04.1.1
1
SystemPower
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相關代理商/技術參數(shù) |
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|---|---|
| AAT2514 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:Dual Channel 600mA Step-Down Converter |
| AAT2514_08 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:Dual Channel 600mA Step-Down Converter |
| AAT2514IDE-AA-T1 | 制造商:Skyworks Solutions Inc 功能描述:DC TO DC CONVERTER |
| AAT2515 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:Dual 600mA Fast Transient High Frequency Buck Converter |
| AAT2515IWP-AA-T1 | 制造商:Skyworks Solutions Inc 功能描述:DC TO DC CONVERTER |
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