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LP2951CD-5.0

更新时间： 2024-11-27 05:09:55
品牌 Logo 应用领域
摩托罗拉 - MOTOROLA 光电二极管输出元件调节器
页数 文件大小 规格书
16页 251K
描述
FIXED/ADJUSTABLE POSITIVE LDO REGULATOR, 0.45V DROPOUT, PDSO8, PLASTIC, SO-8

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LP2951CD-5.0 技术参数

生命周期：Obsolete包装说明：SOP,
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.62
最大回动电压 1：0.45 VJESD-30 代码：R-PDSO-G8
长度：4.9 mm功能数量：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 1：0.1 A
最大输出电压 1：29 V最小输出电压 1：1.25 V
标称输出电压 1：5 V封装主体材料：PLASTIC/EPOXY
封装代码：SOP封装形状：RECTANGULAR
封装形式：SMALL OUTLINE认证状态：Not Qualified
调节器类型：FIXED/ADJUSTABLE POSITIVE SINGLE OUTPUT LDO REGULATOR座面最大高度：1.75 mm
表面贴装：YES端子形式：GULL WING
端子节距：1.27 mm端子位置：DUAL
宽度：3.9 mmBase Number Matches：1

LP2951CD-5.0 数据手册

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Order this document by LP2950/D  
MICROPOWER  
LOW DROPOUT  
VOLTAGE REGULATORS  
The LP2950 and LP2951 are micropower voltage regulators that are  
specifically designed to maintain proper regulation with an extremely low  
input–to–output voltage differential. These devices feature a very low  
quiescent bias current of 75 µA and are capable of supplying output currents  
in excess of 100 mA. Internal current and thermal limiting protection is  
provided.  
Z SUFFIX  
PLASTIC PACKAGE  
CASE 29  
The LP2951 has three additional features. The first is the Error Output  
that can be used to signal external circuitry of an out of regulation condition,  
or as a microprocessor power–on reset. The second feature allows the  
output voltage to be preset to 5.0 V, 3.3 V or 3.0 V output (depending on the  
version) or programmed from 1.25 V to 29 V. It consists of a pinned out  
resistor divider along with direct access to the Error Amplifier feedback input.  
The third feature is a Shutdown input that allows a logic level signal to  
turn–off or turn–on the regulator output.  
(TO–226AA/TO–92)  
Pin: 1. Output  
1
2
2. Ground  
3
3. Input  
DT SUFFIX  
Due to the low input–to–output voltage differential and bias current  
specifications, these devices are ideally suited for battery powered  
computer, consumer, and industrial equipment where an extension of  
useful battery life is desirable. The LP2950 is available in the three pin case  
29 and DPAK packages, and the LP2951 is available in the eight pin  
dual–in–line, SO–8 and Micro–8 surface mount packages. The ‘A’ suffix  
devices feature an initial output voltage tolerance ±0.5%.  
PLASTIC PACKAGE  
1
CASE 369A  
(DPAK)  
3
Pin: 1. Input  
2. Ground  
1
2
3
3. Output  
LP2950 and LP2951 Features:  
(Top View)  
• Low Quiescent Bias Current of 75 µA  
• Low Input–to–Output Voltage Differential of 50 mV at 100 µA and  
Heatsink surface (shown as terminal 4 in  
case outline drawing) is connected to Pin 2.  
380 mV at 100 mA  
• 5.0 V, 3.3 V or 3.0 V ±0.5% Allows Use as a Regulator or Reference  
• Extremely Tight Line and Load Regulation  
D SUFFIX  
PLASTIC PACKAGE  
8
CASE 751  
(SO–8)  
• Requires Only a 1.0 µF Output Capacitor for Stability  
• Internal Current and Thermal Limiting  
1
LP2951 Additional Features:  
N SUFFIX  
PLASTIC PACKAGE  
• Error Output Signals an Out of Regulation Condition  
• Output Programmable from 1.25 V to 29 V  
• Logic Level Shutdown Input  
CASE 626  
8
1
DM SUFFIX  
8
PLASTIC PACKAGE  
CASE 846A  
1
(Micro–8)  
1
2
3
4
8
7
6
5
Output  
Input  
Sense  
Shutdown  
Gnd  
Feedback  
V
Tap  
O
Error Output  
(See Following Page for Ordering Information.)  
(Top View)  
Motorola, Inc. 1996  
Rev 4  
1234567...16

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