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LP2954AIT

更新时间： 2024-01-03 04:41:03
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页数 文件大小 规格书
24页 2046K
描述
LP2954/LP2954A 5V and Adjustable Micropower Low-Dropout Voltage Regulators

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LP2954AIT 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active零件包装代码：SFM
包装说明：SFM, SIP3,.1TB针数：3
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：1 week
风险等级：1.17可调性：FIXED
最大回动电压 1：0.8 V标称回动电压 1：0.8 V
最大绝对输入电压：30 V最大输入电压：30 V
最小输入电压：20 VJESD-30 代码：R-XSFM-T3
JESD-609代码：e3长度：14.986 mm
最大电网调整率：0.02%最大负载调整率：0.015%
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：-40 °C
最高工作温度：125 °C最低工作温度：-40 °C
最大输出电流 1：0.25 A最大输出电压 1：29 V
最小输出电压 1：1.23 V标称输出电压 1：5 V
封装主体材料：UNSPECIFIED封装代码：SFM
封装等效代码：SIP3,.1TB封装形状：RECTANGULAR
封装形式：FLANGE MOUNT包装方法：TUBE
峰值回流温度（摄氏度）：NOT APPLICABLE认证状态：Not Qualified
调节器类型：FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR座面最大高度：4.7 mm
子类别：Other Regulators表面贴装：NO
技术：BIPOLAR端子面层：Matte Tin (Sn)
端子形式：THROUGH-HOLE端子节距：2.54 mm
端子位置：SINGLE处于峰值回流温度下的最长时间：NOT SPECIFIED
最大电压容差：2.4%宽度：10.16 mm
Base Number Matches：1

LP2954AIT 数据手册

 浏览型号LP2954AIT的Datasheet PDF文件第2页浏览型号LP2954AIT的Datasheet PDF文件第3页浏览型号LP2954AIT的Datasheet PDF文件第4页浏览型号LP2954AIT的Datasheet PDF文件第5页浏览型号LP2954AIT的Datasheet PDF文件第6页浏览型号LP2954AIT的Datasheet PDF文件第7页 
LP2954, LP2954A  
www.ti.com  
SNVS096D –JUNE 1999–REVISED MARCH 2013  
LP2954/LP2954A 5V and Adjustable Micropower Low-Dropout Voltage Regulators  
Check for Samples: LP2954, LP2954A  
1
FEATURES  
DESCRIPTION  
The LP2954 is a 5V micropower voltage regulator  
with very low quiescent current (90 μA typical at 1 mA  
load) and very low dropout voltage (typically 60 mV at  
light loads and 470 mV at 250 mA load current).  
2
•
5V Output within 1.2% Over Temperature  
(A Grade)  
•
Adjustable 1.23 to 29V Output Voltage  
Available (LP2954IM and LP2954AIM)  
The quiescent current increases only slightly at  
dropout (120 μA typical), which prolongs battery life.  
•
•
•
•
•
•
•
•
Ensured 250 mA Output Current  
Extremely Low Quiescent Current  
Low Dropout Voltage  
The LP2954 with a fixed 5V output is available in the  
three-lead TO-220 and DDPAK/TO-263 packages.  
The adjustable LP2954 is provided in an 8-lead  
surface mount, small outline package. The adjustable  
version also provides a resistor network which can be  
pin strapped to set the output to 5V.  
Reverse Battery Protection  
Extremely Tight Line and Load Regulation  
Very Low Temperature Coefficient  
Current and Thermal Limiting  
Reverse battery protection is provided.  
Pin Compatible with LM2940 and LM340  
(5V Version Only)  
The tight line and load regulation (0.04% typical), as  
well as very low output temperature coefficient make  
the LP2954 well suited for use as a low-power  
voltage reference.  
•
Adjustable Version Adds Error Flag to Warn of  
Output Drop and a Logic-Controlled Shutdown  
Output accuracy is ensured at both room temperature  
and over the entire operating temperature range.  
APPLICATIONS  
•
•
High-Efficiency Linear Regulator  
Low Dropout Battery-Powered Regulator  
Package Outline and Ordering Information  
Figure 1. TO-220 3–Lead Plastic Package (Front  
View)  
Figure 2. SO-8 Small Outline Surface Mount (Top  
View)  
Figure 3. TO-263 3-Lead Plastic Surface-Mount  
Package (Top View)  
Figure 4. TO-263 3-Lead Plastic Surface-Mount  
Package (Side View)  
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam  
during storage or handling to prevent electrostatic damage to the MOS gates.  
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
All trademarks are the property of their respective owners.  
2
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 1999–2013, Texas Instruments Incorporated  
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LP2954AIT 替代型号

型号 品牌 替代类型 描述 数据表
LP2954AIT/NOPB TI

完全替代

 5-V and Adjustable Micropower LDOs
LP2954IT TI

完全替代

 LP2954/LP2954A 5V and Adjustable Micropower Low-Dropout Voltage Regulators
LM2937ET-5.0/NOPB TI

类似代替

 LM2937 500 mA Low Dropout Regulator

与LP2954AIT相关器件

型号 品牌 获取价格 描述 数据表
LP2954AIT/NOPB NSC

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 		IC VREG 5 V FIXED POSITIVE LDO REGULATOR, 0.8 V DROPOUT, PSFM3, PLASTIC, TO-220, 3 PIN, Fi
LP2954AIT/NOPB TI

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 		5-V and Adjustable Micropower LDOs
LP2954IM TI

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 		LP2954/LP2954A 5V and Adjustable Micropower Low-Dropout Voltage Regulators
LP2954IM NSC

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 		5V and Adjustable Micropower Low-Dropout Voltage Regulators
LP2954IM/NOPB TI

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 		250mA、30V、低压降稳压器 | D | 8 | -40 to 125
LP2954IMX TI

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 		LP2954/LP2954A 5V and Adjustable Micropower Low-Dropout Voltage Regulators
LP2954IMX/NOPB NSC

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 		IC VREG 5 V FIXED POSITIVE LDO REGULATOR, 0.8 V DROPOUT, PDSO8, SO-8, Fixed Positive Singl
LP2954IMX/NOPB TI

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 		250-mA, 30-V, low-dropout voltage regulator 8-SOIC -40 to 125
LP2954IS TI

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 		LP2954/LP2954A 5V and Adjustable Micropower Low-Dropout Voltage Regulators
LP2954IS NSC

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 		5V and Adjustable Micropower Low-Dropout Voltage Regulators

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