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LT1121IS8-5 PDF预览

LT1121IS8-5

更新时间： 2024-11-21 22:55:47
品牌 Logo 应用领域
凌特 - Linear 线性稳压器IC调节器电源电路光电二极管输出元件
页数 文件大小 规格书
12页 271K
描述
Micropower Low Dropout Regulators with Shutdown

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中文翻译

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LT1121IS8-5 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：SOP, SOP8,.25
针数：8Reach Compliance Code：not_compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.07Is Samacsys：N
可调性：FIXED最大回动电压 1：0.7 V
标称回动电压 1：0.42 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：6 V
JESD-30 代码：R-PDSO-G8JESD-609代码：e0
长度：4.93 mm最大电网调整率：0.01%
最大负载调整率：0.04%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：-40 °C最大输出电流 1：0.15 A
最大输出电压 1：5.15 V最小输出电压 1：4.85 V
标称输出电压 1：5 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
包装方法：TUBE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：1.75 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%
宽度：3.9 mmBase Number Matches：1

LT1121IS8-5 数据手册

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LT1121/LT1121-3.3/LT1121-5  
Micropower Low Dropout  
Regulators with Shutdown  
U
DESCRIPTIO  
EATURE  
S
F
■
■
■
■
■
■
■
■
■
■
■
■
■
The LT1121/LT1121-3.3/LT1121-5 are micropower low  
dropout regulators with shutdown. These devices are  
capable of supplying 150mA of output current with a  
dropout voltage of 0.4V. Designed for use in battery-  
powered systems, the low quiescent current, 30µA oper-  
ating and 16µA in shutdown, makes them an ideal choice.  
The quiescent current is well-controlled; it does not rise in  
dropout as it does with many other low dropout PNP  
regulators.  
0.4V Dropout Voltage  
150mA Output Current  
30µA Quiescent Current  
No Protection Diodes Needed  
Adjustable Output from 3.8V to 20V  
3.3V and 5V Fixed Output Voltages  
Controlled Quiescent Current in Dropout  
Shutdown  
16µA Quiescent Current in Shutdown  
Stable with 0.33µF Output Capacitor  
Reverse Battery Protection  
No Reverse Current with Input Low  
Thermal Limiting  
Other features of the LT1121/LT1121-3.3/LT1121-5 in-  
clude the ability to operate with very small output capaci-  
tors. They are stable with only 0.33µF on the output while  
most older devices require between 1µF and 100µF for  
stability. Small ceramic capacitors can be used, enhanc-  
ing manufacturability. Also the input may be connected to  
ground or a reverse voltage without reverse current flow  
from output to input. This makes the LT1121 series ideal  
for backup power situations where the output is held high  
and the input is at ground or reversed. Under these  
conditions only 16µA will flow from the output pin to  
ground.  
O U  
PPLICATI  
S
A
■
■
■
Low Current Regulator  
Regulator for Battery-Powered Systems  
Post Regulator for Switching Supplies  
U
O
TYPICAL APPLICATI  
Dropout Voltage  
5V Battery-Powered Supply with Shutdown  
0.5  
8
1
3.3V OUT  
150mA  
IN  
OUT  
LT1121-3.3  
0.4  
0.3  
0.2  
0.1  
0
+
1µF  
5V  
SOLID TANTALUM  
5
SHDN  
GND  
3
V
(PIN 5) OUTPUT  
< 0.25  
> 2.8  
SHDN  
OFF  
ON  
LT1121 • TA01  
NC  
ON  
80  
OUTPUT CURRENT (mA)  
0
20 40 60  
100 120 140 160  
LT1121 • TA02  
1
1234567...12

中文翻译

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LT1121IS8-5 替代型号

型号 品牌 替代类型 描述 数据表
MIC29300-3.3WU MICROCHIP

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 3.3V FIXED POSITIVE LDO REGULATOR, 0.6V DROPOUT, PSSO3
MIC29150-3.3WU MICROCHIP

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 3.3V FIXED POSITIVE LDO REGULATOR, 0.6V DROPOUT, PSSO3
MIC29300-5.0WT MICROCHIP

功能相似

 5V FIXED POSITIVE LDO REGULATOR, 0.6V DROPOUT, SFM3

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