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AAT1217IGU-3.3-T1 PDF预览

AAT1217IGU-3.3-T1

更新时间: 2024-02-06 07:24:08
品牌 Logo 应用领域
ANALOGICTECH 转换器升压转换器
页数 文件大小 规格书
13页 341K
描述
600mA, 1.2MHz, Micropower Synchronous Step-Up Converter

AAT1217IGU-3.3-T1 技术参数

是否Rohs认证: 符合生命周期:Obsolete
包装说明:TSOP, TSOP6,.11,37Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.82模拟集成电路 - 其他类型:SWITCHING REGULATOR
控制模式:CURRENT-MODEJESD-30 代码:R-PDSO-G6
端子数量:6最高工作温度:85 °C
最低工作温度:-40 °C最大输出电流:0.6 A
封装主体材料:PLASTIC/EPOXY封装代码:TSOP
封装等效代码:TSOP6,.11,37封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, THIN PROFILE认证状态:Not Qualified
子类别:Switching Regulator or Controllers表面贴装:YES
最大切换频率:1500 kHz温度等级:INDUSTRIAL
端子形式:GULL WING端子节距:0.95 mm
端子位置:DUALBase Number Matches:1

AAT1217IGU-3.3-T1 数据手册

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PRODUCT DATASHEET  
AAT1217  
SwitchRegTM  
600mA, 1.2MHz, Micropower Synchronous Step-Up Converter  
General Description  
Features  
The AAT1217 is a high efficiency, synchronous, fixed  
frequency, step-up converter designed for single-cell or  
dual-cell alkaline, NiMH, or NiCd battery-powered appli-  
cations. The high 1.2MHz switching frequency and com-  
pletely integrated control circuitry minimize the total  
solution footprint area while maintaining excellent regu-  
lation, ripple, and transient response throughout the full  
load range.  
• VIN Operation Range: 0.5V to VOUT  
• VOUT Range: 2.5V to 5.5V  
• 100mA Output from a Single AA Cell Input  
• 400mA Output from a Dual AA Cell Input  
• 500mA Output from a Single Li+ Cell Input  
• High Efficiency: Up to 93% Efficiency  
• Low Start-Up Voltage: 0.85V Typical  
• Internal Synchronous Rectifier  
VOUT 4.5V: No External Schottky Diode  
Fixed Frequency Pulse Width Modulation (PWM) Current-  
Mode Control Scheme with Internal Compensation  
Light load mode operation and low quiescent current  
allow the AAT1217 to maintain high efficiency perfor-  
mance for light load conditions. With a 1.2A peak induc-  
tor current limit, the AAT1217 is capable of delivering  
100mA to the load from a single AA cell, 400mA from  
dual AA cells, or up to 500mA from a single-cell lithium-  
ion battery. The AAT1217 has a 0.85V start-up voltage  
with operation down to 0.5V.  
• 1.2MHz Fixed Switching Frequency  
• 1.2A Current Limit  
• Light Load Mode Operation  
• Over-Current Protection  
• EMI Reduction Anti-Ringing Control Circuitry  
• Low Shutdown Current: <1.0μA  
• -40°C to +85°C Ambient Temperature Range  
• Low Profile (1mm) TSOT23-6 or SOT23-6 Package  
The AAT1217 is available in a Pb-free, space-saving low  
profile (1mm) 6-pin TSOT23 or 6-pin SOT23 package  
and is rated over the -40°C to +85°C ambient tempera-  
ture range.  
Applications  
• Cellular and Smart Phones  
• Digital Still and Video Cameras  
• Microprocessors and DSP Core Supplies  
• MP3 Player  
• Portable Instruments  
• Wireless and DSL Modems  
Typical Application  
L1  
4.7μH  
L1  
4.7μH  
SW  
VIN  
0.85V  
SW  
VOUT  
VIN  
0.85V  
VOUT  
3.3V,100mA  
3.3V,100mA  
VIN  
VOUT  
VIN  
VOUT  
R3  
1MΩ  
R3  
1MΩ  
COUT  
4.7μF  
AAT1217-1.2  
R1  
1.02M  
COUT  
4.7μF  
AAT1217-3.3  
CIN  
4.7μF  
CIN  
4.7μF  
FB  
SHDN  
FB  
SHDN  
R2  
604k  
GND  
GND  
w w w . a n a l o g i c t e c h . c o m  
1217.2008.03.1.3  
1

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