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參數(shù)資料
| 型號： | AAT2784 |
| 廠商： | Advanced Analogic Technologies, Inc. |
| 英文描述： | 3-Channel Step-Down DC/DC Converter |
| 中文描述： | 3通道降壓型DC / DC轉(zhuǎn)換器 |
| 文件頁數(shù)： | 1/21頁 |
| 文件大?。?/td> | 690K |
| 代理商： | AAT2784 |
AAT2784
3-Channel Step-Down DC/DC Converter
SystemPower
TM
PRODUCT DATASHEET
2784.2007.11.1.1
1
w w w . a n a l o g i c t e c h . c o m
General Description
The AAT2784 is a 3-channel 1.8MHz step-down con-
verter for applications where power efficiency and solu-
tion size are critical. The input voltage range is 2.7V to
5.5V and the outputs are adjustable from 0.6V to V
IN
.
Channel 3 delivers up to 1.5A output current and chan-
nels 1 and 2 deliver up to 300mA each. The AAT2784
uses a high switching frequency to minimize the size of
external components. The AAT2784 requires a minimum
of external components to realize a high efficiency triple-
output buck converter minimizing solution cost and PCB
footprint.
Each of the 3 regulators has an independent enable pin,
adjustable output voltage and operates with low no load
quiescent current, providing high efficiency over the
entire load range.
The AAT2784 is available in a Pb-free 16 pin TDFN34
package, and is rated over the -40°C to +85°C operating
temperature range.
Features
V
IN
Range: 2.7 to 5.5V
Output Voltage Range: 0.6V to V
IN
Output Current:
Channel 3: 1.5A
Channel 1: 300mA
Channel 2: 300mA
Highly Efficient Step-Down Converters
Low R
DS(ON)
Integrated Power Switches
100% Duty Cycle
1.8 MHz Switching Frequency
Internal Soft Start
Fast 150
μ
s Turn-On Time
Over-Temperature Protection
Current Limit Protection
TDFN34-16 Package
-40°C to 85°C Temperature Range
Applications
Cellular and Smart Phones
Digital Cameras
Handheld Instruments
Mass Storage Systems
Microprocessor / DSP Core / IO Power
PDAs and Handheld Computers
Portable Media Players
USB Devices
Wireless LAN
Typical Application
1.L3
C5
10μF
AAT2784
AGND
VP3
EN3
PGND
FB3
LX3
C2
10μF
VIN: 2.7 – 5.5V
VOUT3: 1.2V
1.5A
R6
59.0k
5R5
C4
4.7μF
FB2
LX2
VO300mA
5R4
R3
267k
4.L1
L2
4.7μH
4C3
FB1
LX1
5R2
2R1
VP1_2
EN1
C1
10μF
EN2
VO300mA
PGND
IN
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AAT2784IRN-AAA-T1 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:3-Channel Step-Down DC/DC Converter |
| AAT2785 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:3-Channel Step-Down DC/DC Converter |
| AAT2785IRN-AAA-000 | 功能描述:IC PMIC MINI 2CHANNEL 16TDFN 制造商:skyworks solutions inc. 系列:* 零件狀態(tài):最後搶購 標(biāo)準(zhǔn)包裝:1,500 |
| AAT2785IRN-AAA-T1 | 制造商:Skyworks Solutions Inc 功能描述:DC TO DC CONVERTER |
| AAT2786 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:1.5A Step-Down Converter and 150mA LDO |
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