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LP2951 Datasheet(PDF) 18 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) 18 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)
Frequency (Hz)
1x101 1x102 1x103 1x104 1x105 1x106 1x107
0
10
20
30
40
50
60
70
80
90
100
110
120
COUT
1
F
3.3
F
10
F
VIN = 6V, VOUT = 5V, IL = 100mA
Figure 5-49. Ripple Rejection vs Frequency (New Chip)
Frequency (Hz)
1x101 1x102 1x103 1x104 1x105 1x106 1x107
0
10
20
30
40
50
60
70
80
90
100
110
120
COUT
1
F
3.3
F
10
F
VIN = 6V, VOUT = 5V, IL = 1mA
Figure 5-50. Ripple Rejection vs Frequency (New Chip)
Frequency (Hz)
10
100
1000
10000
100000
0
1
2
3
4
5
6
CL = 1F
CL = 200F
CL = 3.3F
Figure 5-51. Output Noise vs Frequency (Legacy Chip)
Frequency (Hz)
1x101 1x102 1x103 1x104 1x105 1x106 1x107
0.005
0.01
0.02
0.05
0.1
0.2
0.5
1
2
5
10
20
20
COUT
1
F
3.3
F
200
F
VIN = 6V, VOUT = 5V, IL = 100μA
Figure 5-52. Output Noise vs Frequency (New Chip)
Frequency (Hz)
1x101
1x102
1x103
1x104
1x105
1x106
1x107
0.005
0.01
0.02
0.05
0.1
0.2
0.5
1
2
5
10
IOUT
0mA
100uA
1mA
50mA
100mA
VIN = 6V, VOUT = 5V, CL = 1μF
Figure 5-53. Output Noise vs Frequency (New Chip)
Figure 5-54. Output Impedance vs Frequency (Legacy Chip)
LP2951-Q1
SLVSAW6H – JUNE 2011 – REVISED NOVEMBER 2024
www.ti.com
18
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Copyright © 2024 Texas Instruments Incorporated
Product Folder Links: LP2951-Q1



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