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LT1129MPST-3.3#TRPBF

更新时间： 2024-11-23 19:25:07
品牌 Logo 应用领域
凌特 - Linear 输出元件调节器
页数 文件大小 规格书
16页 185K
描述
LT1129 - Micropower Low Dropout Regulators with Shutdown; Package: SOT; Pins: 3; Temperature Range: -55°C to 125°C

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LT1129MPST-3.3#TRPBF 技术参数

是否Rohs认证： 符合生命周期：Transferred
零件包装代码：SOT包装说明：LEAD FREE , PLASTIC, SOT-223, 3 PIN
针数：3Reach Compliance Code：not_compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.14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-PSSO-G3
JESD-609代码：e3长度：6.505 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：3
工作温度TJ-Max：125 °C工作温度TJ-Min：-55 °C
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封装等效代码：SOT-223
封装形状：RECTANGULAR封装形式：SMALL OUTLINE
包装方法：TAPE AND REEL峰值回流温度（摄氏度）：260
认证状态：Not Qualified调节器类型：FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
座面最大高度：1.8 mm子类别：Other Regulators
表面贴装：YES技术：BIPOLAR
端子面层：Matte Tin (Sn)端子形式：GULL WING
端子节距：2.3 mm端子位置：SINGLE
处于峰值回流温度下的最长时间：30最大电压容差：3.03%
宽度：3.505 mmBase Number Matches：1

LT1129MPST-3.3#TRPBF 数据手册

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LT1129/LT1129-3.3/LT1129-5  
Micropower Low Dropout  
Regulators with Shutdown  
FEATURES  
DESCRIPTION  
The LT®1129/LT1129-3.3/LT1129-5 are micropower low  
dropoutregulatorswithshutdown.Thedevicesarecapable  
of supplying 700mA of output current with a dropout  
voltage of 400mV at maximum output. Designed for use  
in battery-powered systems, the low quiescent current,  
50μAoperatingand16μAinshutdown,makethemanideal  
choice. The quiescent current does not rise in dropout as  
it does with many other low dropout PNP regulators.  
n
400mV Dropout Voltage  
n
700mA Output Current  
n
50μA Quiescent Current  
No Protection Diodes Needed  
n
n
Adjustable Output from 3.8V to 30V  
n
3.3V and 5V Fixed Output Voltages  
n
Controlled Quiescent Current in Dropout  
n
Shutdown  
n
16μA Quiescent Current in Shutdown  
OtherfeaturesoftheLT1129/LT1129-3.3/LT1129-5include  
the ability to operate with small output capacitors. They  
are stable with only 3.3μF on the output while most older  
devicesrequirebetween10μFand100μFforstability. Also  
the input may be connected to ground or a reverse voltage  
without reverse current flow from output to input. This  
makes the LT1129/LT1129-3.3/LT1129-5 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. The  
devices are available in 5-lead TO-220, 5-lead DD-Pak and  
3-lead SOT-223 packages.  
n
Stable with 3.3μF Output Capacitor  
n
Reverse Battery Protection  
n
No Reverse Output Current  
n
Thermal Limiting  
n
Surface Mount SOT-223 and DD-Pak Packages  
APPLICATIONS  
n
Low Current Regulator  
n
Regulator for Battery-Powered Systems  
n
Post Regulator for Switching Supplies  
5V to 3.3V Logic Regulator  
n
L, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.  
All other trademarks are the property of their respective owners.  
TYPICAL APPLICATION  
5V Supply with Shutdown  
Dropout Voltage  
0.6  
5
1
2
5V OUT  
500mA  
IN  
OUT  
0.5  
0.4  
0.3  
+
LT1129-5  
SENSE  
GND  
3.3μF  
SOLID TANTALUM  
V
> 5.5V  
IN  
4
SHDN  
3
0.2  
0.1  
0
V
(PIN 4) OUTPUT  
SHDN  
< 0.25  
> 2.8  
NC  
OFF  
ON  
ON  
112935 TA01  
0.4  
OUTPUT CURRENT (A)  
0.6 0.7  
0
0.1  
0.2 0.3  
0.5  
112935 TA02  
112935ff  
1
1234567...16

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