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LP2951 Datasheet(PDF) 17 Page - Texas Instruments

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Part # LP2951
Description  LP2951-Q1 Automotive, Adjustable Micropower Voltage Regulator With Shutdown
PDF  47 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

LP2951 Datasheet(HTML) 17 Page - Texas Instruments

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5.7 Typical Characteristics (continued)
at VIN = VOUT (nominal) + 1V, IL = 100μA, CL = 1µF (for new chip) and CL = 2.2µF (for legacy chip) (unless otherwise noted)
0
1
2
3
4
5
6
V
IN- Input Voltage - V
-1
0
1
2
3
4
5
6
I
L= 100μA
IL = 100mA
VIN = 6V, VOUT = 5V
Figure 5-43. Output Voltage vs Input Voltage (New Chip)
0
5
10
15
20
25
30
SHUTDOWN Voltage - V
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
-55°C
-40°C
0°C
25°C
85°C
125°C
150°C
VIN = 6V, VOUT = 5V
Figure 5-44. SHUTDOWN Input Current vs SHUTDOWN Voltage
(New Chip)
Frequency (Hz)
10 20 50 100
1000
10000
100000
1000000
20
30
40
50
60
70
80
90
VIN =6V
CL = 1F
IL = 0
IL = 100A
Figure 5-45. Ripple Rejection vs Frequency (Legacy Chip)
Frequency (Hz)
10
100
1000
10000
100000
1000000
0
20
40
60
80
100
VIN = 6V
CL = 1
F
IL = 1mA
IL = 10mA
Figure 5-46. Ripple Rejection vs Frequency (Legacy Chip)
Frequency (Hz)
10
100
1000
10000
100000
1000000
0
10
20
30
40
50
60
70
80
90
100
VIN = 6V
CL = 1F
IL = 50mA
IL = 100mA
Figure 5-47. Ripple Rejection vs Frequency (Legacy Chip)
Frequency (Hz)
1x101
1x102
1x103
1x104
1x105
1x106
1x107
0
10
20
30
40
50
60
70
80
90
100
110
120
IOUT
0mA
100uA
1mA
10mA
50mA
VIN = 6V, VOUT = 5V, CL = 1μF
Figure 5-48. Ripple Rejection vs Frequency (New Chip)
www.ti.com
LP2951-Q1
SLVSAW6H – JUNE 2011 – REVISED NOVEMBER 2024
Copyright © 2024 Texas Instruments Incorporated
Submit Document Feedback
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Product Folder Links: LP2951-Q1



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