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LP2950 数据表(PDF) 4 Page - Micrel Semiconductor

部件名 LP2950
功能描述  100mA Low-Dropout Voltage Regulator
PDF  14 Pages
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制造商  MICREL [Micrel Semiconductor]
网页  http://www.micrel.com
标志 MICREL - Micrel Semiconductor

LP2950 数据表(HTML) 4 Page - Micrel Semiconductor

  LP2950 Datasheet HTML 1Page - Micrel Semiconductor LP2950 Datasheet HTML 2Page - Micrel Semiconductor LP2950 Datasheet HTML 3Page - Micrel Semiconductor LP2950 Datasheet HTML 4Page - Micrel Semiconductor LP2950 Datasheet HTML 5Page - Micrel Semiconductor LP2950 Datasheet HTML 6Page - Micrel Semiconductor LP2950 Datasheet HTML 7Page - Micrel Semiconductor LP2950 Datasheet HTML 8Page - Micrel Semiconductor LP2950 Datasheet HTML 9Page - Micrel Semiconductor Next Button
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LP2950/2951
Micrel
3-38
February 1999
Parameter
Condition
Min
Typ
Max
Units
Current Limit
V
OUT = 0V
160
200
mA
220
mA
Thermal Regulation
Note 13
0.05
0.20
%/W
Output Noise
10Hz to 100kHz, C
L = 1µF
430
µV
RMS
10Hz to 100kHz, C
L = 200µF
160
µV
RMS
10Hz to 100kHz, C
L = 3.3µF,
100
µV
RMS
0.01
µF bypass Feedback to Output
Reference Voltage
LP295x-02 (
±0.5%)
1.220
1.235
1.250
V
1.200
1.260
V
LP295x-03 (
±1%)
1.210
1.235
1.260
V
1.200
1.270
V
LP2951-4.8 (
±1%)
1.210
1.235
1.260
V
1.200
1.270
V
Reference Voltage
LP295x-02 (
±0.5%), Note 7
1.190
1.270
V
LP295x-03 (
±1%), Note 7
1.185
1.285
V
LP2951-4.8 (
±1%), Note 7
1.185
1.285
V
Feedback Bias Current
20
40
nA
60
nA
Reference Voltage
LP295x-02 (
±0.5%), Note 12
20
ppm/
°C
LP295x-03 (
±1%), Note 12
50
ppm/
°C
LP2951-4.8 (
±1%), Note 12
50
ppm/
°C
Feedback Bias Current
0.1
nA/
°C
Temperature Coefficient
Output Leakage Current
V
OH = 30V
0.01
1.00
µA
2.00
µA
Output Low Voltage (Flag)
V
IN = 4.5V, IOL = 200µA
150
250
mV
400
mV
Upper Threshold Voltage
Note 6
40
60
mV
25
mV
Lower Threshold Voltage
Note 6
75
95
mV
140
mV
Hysteresis
Note 6
15
mV
Input Logic Voltage
LP295x-02 (
±0.5%)
1.3
V
Low
0.7
V
High
2.0
V
LP295x-03 (
±1%)
1.3
V
Low
0.7
V
High
2.0
V
LP2951-4.8 (
±1%)
1.3
V
Low
0.7
V
High
2.0
V



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