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LT1129CS8-3.3 PDF预览

LT1129CS8-3.3

更新时间： 2024-11-25 22:23:51
品牌 Logo 应用领域
凌特 - Linear 稳压器调节器光电二极管输出元件
页数 文件大小 规格书
12页 277K
描述
Micropower Low Dropout Regulators with Shutdown

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中文翻译

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LT1129CS8-3.3 技术参数

是否Rohs认证： 不符合生命周期：Transferred
零件包装代码：SOIC包装说明：0.150 INCH, PLASTIC, SO-8
针数：8Reach Compliance Code：not_compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.06可调性：FIXED
最大回动电压 1：0.7 V标称回动电压 1：0.45 V
最大绝对输入电压：30 V最大输入电压：20 V
最小输入电压：3.8 VJESD-30 代码：R-PDSO-G8
JESD-609代码：e0长度：4.9025 mm
最大电网调整率：0.01%最大负载调整率：0.03%
湿度敏感等级：1功能数量：1
输出次数：1端子数量：8
工作温度TJ-Max：125 °C工作温度TJ-Min：
最大输出电流 1：0.7 A最大输出电压 1：3.4 V
最小输出电压 1：3.2 V标称输出电压 1：3.3 V
封装主体材料：PLASTIC/EPOXY封装代码：SOP
封装等效代码：SOP8,.25封装形状：RECTANGULAR
封装形式：SMALL OUTLINE峰值回流温度（摄氏度）：235
认证状态：Not Qualified调节器类型：FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
座面最大高度：1.752 mm子类别：Other Regulators
表面贴装：YES技术：BIPOLAR
端子面层：Tin/Lead (Sn/Pb)端子形式：GULL WING
端子节距：1.27 mm端子位置：DUAL
处于峰值回流温度下的最长时间：20最大电压容差：3.03%
宽度：3.899 mmBase Number Matches：1

LT1129CS8-3.3 数据手册

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LT1129/LT1129-3.3/LT1129-5  
Micropower Low Dropout  
Regulators with Shutdown  
U
DESCRIPTIO  
EATURE  
S
F
■
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■
■
■
■
■
■
■
■
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The LT1129/LT1129-3.3/LT1129-5 are micropower low  
dropout regulators with shutdown. The devices are ca-  
pable of supplying 700mA of output current with a drop-  
out voltage of 0.4V at maximum output. Designed for use  
in battery-powered systems the low quiescent current,  
50µA operating and 16µA in shutdown, make them  
an ideal choice. The quiescent current does not rise  
in dropout as it does with many other low dropout  
PNP regulators.  
0.4V Dropout Voltage  
700mA Output Current  
50µA Quiescent Current  
No Protection Diodes Needed  
Adjustable Output from 3.8V to 30V  
3.3V and 5V Fixed Output Voltages  
Controlled Quiescent Current in Dropout  
Shutdown  
16µA Quiescent Current in Shutdown  
Stable with 3.3µF Output Capacitor  
Reverse Battery Protection  
No Reverse Output Current  
Thermal Limiting  
Other features of the LT1129 /LT1129-3.3/LT1129-5 in-  
clude the ability to operate with small output capacitors.  
They are stable with only 3.3µF on the output while most  
older devices require between 10µF and 100µF for stabil-  
ity.Alsotheinputmaybeconnectedtogroundorareverse  
voltage without reverse current flow from output to input.  
This makes the LT1129/LT1129-3.3/LT1129-5 ideal for  
backuppowersituationswheretheoutputisheldhighand  
theinputisatgroundorreversed. Undertheseconditions,  
only 16µA will flow from the output pin to ground. The  
devices are available in 5-lead TO-220, 5-lead DD, and  
3-lead SOT-223 packages.  
Surface Mount  
O U  
PPLICATI  
S
A
■
■
■
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Low Current Regulator  
Regulator for Battery-Powered Systems  
Post Regulator for Switching Supplies  
5V to 3.3V Logic Regulator  
U
O
TYPICAL APPLICATI  
5V Supply with Shutdown  
Dropout Voltage  
0.6  
5
4
1
2
5V OUT  
500mA  
0.5  
0.4  
0.3  
IN  
OUT  
+
LT1129-5  
SENSE  
GND  
3.3µF  
SOLID TANTALUM  
V
> 5.5V  
IN  
SHDN  
3
0.2  
0.1  
0
V
(PIN 4) OUTPUT  
SHDN  
< 0.25  
> 2.8  
NC  
OFF  
ON  
ON  
LT1129 • TA01  
0.4  
OUTPUT CURRENT (A)  
0.6 0.7  
0
0.1  
0.2 0.3  
0.5  
LT1129 • TA02  
1
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