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AZ1117B_07 PDF预览

AZ1117B_07

更新时间: 2024-11-08 04:07:31
品牌 Logo 应用领域
BCDSEMI 稳压器
页数 文件大小 规格书
15页 175K
描述
800mA LOW DROPOUT LINEAR REGULATOR

AZ1117B_07 数据手册

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Preliminary Datasheet  
600mA LOW DROPOUT LINEAR REGULATOR  
800mA LOW DROPOUT LINEAR REGULATOR  
APA1P121371M7  
AZ1117B  
General Description  
Features  
The AZ1117B is a low dropout three-terminal regula-  
tor with a dropout of 1.2V at 800mA output current.  
·
·
Low Dropout Voltage: 1.2V at 800mA Output  
Current  
Output Noise from 10Hz to 10KHz: 0.003% of  
The AZ1117B has been optimized for low voltage  
where transient response and minimum input voltage  
are critical. It provides current limit and thermal shut-  
down. Its circuit includes a trimmed bandgap reference  
to assure output voltage accuracy to be within ±1%.  
On-chip thermal shutdown provides protection against  
a combination of high current and ambient temperature  
that would create excessive junction temperature.  
V
OUT  
·
PSRR at I  
=300mA and f=120Hz: 70dB  
OUT  
·
·
·
Output Voltage Accuracy: ±1%  
On-chip Thermal Shutdown  
Maximum Quiescent Current: I  
=6mA  
QMAX  
o
·
Operation Junction Temperature: -20 to 105 C  
Applications  
The AZ1117B is available in 1.8V, 2.5V and 3.3V ver-  
sions. The fixed versions integrate the adjust resistors.  
It is also available in an adjustable version which can  
set the output voltage with two external resistors.  
·
·
·
·
USB Device  
Add-on Card  
DVD Player  
The AZ1117B is available in the industry-standard  
SOT-223 power package.  
PC Motherboard  
SOT-223  
Figure 1. Package Type of AZ1117B  
Mar. 2007 Rev. 1. 2  
BCD Semiconductor Manufacturing Limited  
1

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