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LP2951CD-5.0

更新时间： 2023-01-02 21:45:10
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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LP2950 LP2951  
DEFINITIONS  
Dropout Voltage – The input/output voltage differential at  
Output Noise Voltage – The rms ac voltage at the output,  
with constant load and no input ripple, measured over a  
specified frequency range.  
Leakage Current – Current drawn through a bipolar  
transistor collector–base junction, under a specified collector  
voltage, when the transistor is “off”.  
Upper Threshold Voltage – Voltage applied to the  
comparator input terminal, below the reference voltage  
which is applied to the other comparator input terminal,  
which causes the comparator output to change state from a  
logic “0” to “1”.  
Lower Threshold Voltage – Voltage applied to the  
comparator input terminal, below the reference voltage  
which is applied to the other comparator input terminal,  
which causes the comparator output to change state from a  
logic “1” to “0”.  
which the regulator output no longer maintains regulation  
against further reductions in input voltage. Measured when  
the output drops 100 mV below its nominal value (which is  
measured at 1.0 V differential), dropout voltage is affected by  
junction temperature, load current and minimum input supply  
requirements.  
Line Regulation – The change in output voltage for a  
change in input voltage. The measurement is made under  
conditions of low dissipation or by using pulse techniques  
such that average chip temperature is not significantly  
affected.  
Load Regulation – The change in output voltage for a  
change in load current at constant chip temperature.  
Maximum Power Dissipation – The maximum total  
device dissipation for which the regulator will operate within  
specifications.  
Hysteresis – The difference between Lower Threshold  
voltage and Upper Threshold voltage.  
Bias Current – Current which is used to operate the  
regulator chip and is not delivered to the load.  
Figure 1. Quiescent Current  
Figure 2. Dropout Characteristics  
10  
6.0  
LP2951C  
5.0  
4.0  
3.0  
2.0  
T
= 25°C  
A
R
= 50 k  
L
L
1.0  
0.1  
R
= 50  
Ω
1.0  
0
0.01  
0.1  
1.0  
10  
100  
0
1.0  
2.0  
3.0  
4.0  
5.0  
6.0  
I , LOAD CURRENT (mA)  
L
V
, INPUT VOLTAGE (V)  
in  
Figure 3. Input Current  
Figure 4. Output Voltage versus Temperature  
250  
5.00  
200  
150  
100  
50  
4.99  
4.98  
4.97  
4.96  
4.95  
0.1 mA Load Current  
No Load  
LP2951C  
0
0
5.0  
10  
15  
20  
25  
– 50  
0
50  
100  
150  
V
, INPUT VOLTAGE (V)  
T , AMBIENT TEMPERATURE (°C)  
in  
A
5
MOTOROLA ANALOG IC DEVICE DATA  
12345678...16

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