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AAT1265IJS-3.0-T1 PDF预览

AAT1265IJS-3.0-T1

更新时间: 2024-01-31 15:54:10
品牌 Logo 应用领域
ANALOGICTECH 转换器稳压器开关式稳压器或控制器电源电路开关式控制器
页数 文件大小 规格书
13页 386K
描述
Low Voltage 2MHz Step-Up DC/DC Converter in SC70JW Package

AAT1265IJS-3.0-T1 技术参数

生命周期:Obsolete包装说明:,
Reach Compliance Code:unknown风险等级:5.84
Is Samacsys:NBase Number Matches:1

AAT1265IJS-3.0-T1 数据手册

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AAT1265  
Low Voltage 2MHz Step-Up DC/DC  
Converter in SC70JW Package  
SwitchReg  
General Description  
Features  
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.  
100mA Output from a Single AA Cell Input  
250mA Output from a Dual AA Cell Input  
VIN Operation Range: 0.8V to VOUT  
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  
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.  
Applications  
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.  
Bluetooth™ Headsets  
Digital Cameras  
Medical Instruments  
Mobile Handsets  
MP3 and Portable Music Players  
Typical Application  
Dual-Cell to 3.3V Efficiency  
vs. Output Current  
VIN  
VOUT  
100  
90  
80  
70  
60  
50  
AAT1265  
VIN = 3.0V  
2.2µH  
LX  
VCC  
OUT  
GND  
VIN = 2.4V VIN = 2.0V  
VIN  
EN  
4.7µF  
4.7µF  
0.1  
1.0  
10.0  
100.0  
1000.0  
Output Current (mA)  
1265.2006.06.1.2  
1

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