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參數(shù)資料
| 型號(hào)： | AAT1121IPS-0.6-T1 |
| 廠商： | Advanced Analog Technology,lnc. |
| 英文描述： | 1.5MHz, 250mA Step-Down Converter |
| 中文描述： | 1.5MHz的，250mA降壓轉(zhuǎn)換器 |
| 文件頁數(shù)： | 1/20頁 |
| 文件大小： | 534K |
| 代理商： | AAT1121IPS-0.6-T1 |
General Description
The AAT1121 SwitchReg is a 1.5MHz step-down
converter with an input voltage range of 2.7V to
5.5V and output as low as 0.6V. Its low supply
current, small size, and high switching frequency
make the AAT1121 the ideal choice for portable
applications.
The AAT1121 delivers 250mA of load current, while
maintaining a low 30μA no load quiescent current.
The 1.5MHz switching frequency minimizes the size
of external components, while keeping switching
losses low. The AAT1121 feedback and control
delivers excellent load regulation and transient
response with a small output inductor and capacitor.
The AAT1121 is available in a Pb-free, 8-pin,
2x2mm TDFN or STDFN package and is rated
over the -40°C to +85°C temperature range.
Features
V
IN
Range: 2.7V to 5.5V
V
OUT
Range: 0.6V to V
IN
250mA Max Output Current
Up to 96% Efficiency
30μA Typical Quiescent Current
1.5MHz Switching Frequency
Soft-Start Control
Over-Temperature and Current Limit
Protection
100% Duty Cycle Low-Dropout Operation
<1μA Shutdown Current
Small External Components
Ultra-Small TDFN22-8 or STDFN22-8
Package
Temperature Range: -40°C to +85°C
Applications
Bluetooth Headsets
Cellular Phones
Digital Cameras
Handheld Instruments
Portable Music Players
USB Devices
AAT1121
1.5MHz, 250mA Step-Down Converter
Typical Application
3.0
μ
H
L1
R
1
118k
Ω
R
2
59k
Ω
C
1
4.7μF
C
2
4.7μF
EN
FB
VP
VIN
LX
PGND
GND
AAT1121
V
IN
V
O
= 1.8V 250mA
1121.2007.03.1.2
1
SwitchReg
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AAT1123_07 | 1MHz Step-Down Converter |
| AAT1123IJS-0.6-T1 | 1MHz Step-Down Converter |
| AAT1123IJS-1.2-T1 | 1MHz Step-Down Converter |
| AAT1142 | 800mA Voltage-Scaling Step-Down Converter |
| AAT1142ITP-1.8-T1 | 800mA Voltage-Scaling Step-Down Converter |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AAT1123 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:1MHz Step-Down Converter |
| AAT1123_07 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:1MHz Step-Down Converter |
| AAT1123IJS-0.6-T1 | 制造商:Skyworks Solutions Inc 功能描述:DC TO DC CONVERTER |
| AAT1123IJS-1.2-T1 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:1MHz Step-Down Converter |
| AAT1125IJS-0.6-T1 | 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
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