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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  17 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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Micrel, Inc.
LP2950/2951
September 2008
4
M9999-091208
Parameter
Condition
Min
Typ
Max
Units
Note 5
, IL = 100µA
50
80
150
mV
mV
Dropout Voltage
Note 5
, IL = 100mA
380
450
600
mV
mV
IL = 100µA
100
150
200
µA
µA
Ground Current
IL = 100mA
8
12
14
mA
mA
Dropout Current
VIN = 4.5V, IL = 100µA
180
250
310
µA
µA
Current Limit
VOUT = 0V
160
220
220
mA
mA
Thermal Regulation
Note 13
0.05
0.20
%/W
10Hz to 100kHz, CL = 1µF
430
µVRMS
10Hz to 100kHz, CL = 200µF
160
µVRMS
Output Noise
10Hz to 100kHz, CL = 3.3µF,
0.01µF bypass Feedback to Output
100
µVRMS
LP295x-02 (±0.5%)
1.220
1.200
1.235
1.250
1.260
V
V
LP295x-03 (±1%)
1.210
1.200
1.235
1.260
1.270
V
V
Reference Voltage
LP2951-4.8 (±1%)
1.210
1.200
1.235
1.260
1.270
V
V
LP295x-02 (±0.5%), Note 7
1.190
1.270
V
LP295x-03 (±1%), Note 7
1.185
1.285
V
Reference Voltage
LP2951-4.8 (±1%), Note 7
1.185
1.285
V
Feedback Bias Current
20
40
60
nA
nA
LP295x-02 (±0.5%), Note 12
20
ppm/°C
LP295x-03 (±1%), Note 12
50
ppm/°C
Reference Voltage
LP2951-4.8 (±1%), Note 12
50
ppm/°C
Feedback Bias Current
Temperature Coefficient
0.1
nA/°C
Output Leakage Current
VOH = 30V
0.01
1.00
2.00
µA
µA
Output Low Voltage (Flag)
VIN = 4.5V, IOL = 200µA
150
250
400
mV
mV
Upper Threshold Voltage
Note 6
40
25
60
mV
mV
Lower Threshold Voltage
Note 6
75
95
140
mV
mV
Hysteresis
Note 6
15
mV



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