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參數(shù)資料
| 型號(hào)： | AAT1265_0606 |
| 廠商： | Advanced Analog Technology,lnc. |
| 英文描述： | Low Voltage 2MHz Step-Up DC/DC Converter in SC70JW Package |
| 中文描述： | 低壓2MHz的升壓直流/直流轉(zhuǎn)換器在SC70JW的包裝 |
| 文件頁(yè)數(shù)： | 1/13頁(yè) |
| 文件大?。?/td> | 390K |
| 代理商： | AAT1265_0606 |
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General Description
The AAT1265 is a member of Analogic Tech's Total
Power Management IC (TPMIC) product family
and is designed for single-cell or dual-cell alkaline,
NiMH, or NiCd battery-powered applications. It is a
high efficiency, synchronous, fixed frequency, step-
up converter with true output disconnect during
shutdown (<1.0μA), start-up inrush current limit, and
short-circuit protection.
The high 2MHz switching frequency and completely
integrated control circuitry minimize the total solution
footprint area while maintaining excellent regulation,
ripple, and transient response throughout the full
load range.
Light load switching frequency modulation and low
quiescent current maintain high efficiency perform-
ance for light load and sleep mode conditions.
With a 1A peak switch current limit, the AAT1265 is
capable of delivering 100mA to the load with a sin-
gle AA cell or up to 250mA from a dual AA cell. The
device has a 1.0V start-up voltage with operation
down to 0.8V.
The AAT1265 is available in a Pb-free, space-sav-
ing 2.0x2.1mm 8-pin SC70JW package and is
rated over the -40°C to +85°C temperature range.
Features
100mA Output from a Single AA Cell Input
250mA Output from a Dual AA Cell Input
V
IN
Operation Range: 0.8V to V
OUT
Up to 93% Efficiency
Low Start-Up Voltage: 1.0V Typical
Internal Synchronous Rectifier
Current Mode Control with Internal Feedback
and Compensation
2MHz Fixed Switching Frequency
1A Current Limit
Maintains High Efficiency Over the Output
Current Range for Improved Battery Life
Low 40μA No Load Bias Current
True Load Disconnect
Short-Circuit and Over-Current Protection
Inrush Current Limit and Soft Start
Low Shutdown Current: <1.0μA
-40°C to +85°C Temperature Range
2.0x2.1mm SC70JW-8 Package
Applications
Bluetooth Headsets
Digital Cameras
Medical Instruments
Mobile Handsets
MP3 and Portable Music Players
AAT1265
Low Voltage 2MHz Step-Up DC/DC
Converter in SC70JW Package
Typical Application
Dual-Cell to 3.3V Efficiency
vs. Output Current
Output Current (mA)
E
50
60
70
80
90
100
0.1
1.0
10.0
100.0
1000.0
V
IN
= 3.0V
V
IN
= 2.4V
V
IN
= 2.0V
2.2μH
4.7μF
4.7μF
V
IN
V
OUT
VCC
EN
VIN
LX
OUT
GND
AAT1265
1265.2006.06.1.2
1
SwitchReg
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AAT1265IJS-3.0-T1 | Low Voltage 2MHz Step-Up DC/DC Converter in SC70JW Package |
| AAT1265IJS-3.3-T1 | Low Voltage 2MHz Step-Up DC/DC Converter in SC70JW Package |
| AAT1265IJS-3.6-T1 | Low Voltage 2MHz Step-Up DC/DC Converter in SC70JW Package |
| AAT1501 | REGULATED CHARGE PUMP DC/DC CONVERTERS |
| AAT1501A | REGULATED CHARGE PUMP DC/DC CONVERTERS |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AAT1265IJS-3.0-T1 | 制造商:ANALOGICTECH 制造商全稱(chēng):Advanced Analogic Technologies 功能描述:Low Voltage 2MHz Step-Up DC/DC Converter in SC70JW Package |
| AAT1265IJS-3.3-T1 | 制造商:ANALOGICTECH 制造商全稱(chēng):Advanced Analogic Technologies 功能描述:Low Voltage 2MHz Step-Up DC/DC Converter in SC70JW Package |
| AAT1265IJS-3.6-T1 | 制造商:ANALOGICTECH 制造商全稱(chēng):Advanced Analogic Technologies 功能描述:Low Voltage 2MHz Step-Up DC/DC Converter in SC70JW Package |
| AAT1265IJS-5.0-T1 | 制造商:Skyworks Solutions Inc 功能描述:Voltage Regulators - Switching Regulators Lo Volt 2MHz Step-Up DC/DC Converter |
| AAT1270 | 制造商:ANALOGICTECH 制造商全稱(chēng):Advanced Analogic Technologies 功能描述:1A Step-Up Current Regulator for Flash LEDs |
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