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LP38798 Datasheet(PDF) 7 Page - Texas Instruments

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Part # LP38798
Description  LP38798-ADJ High PSRR, Ultra Low Noise, 800 mA Linear Voltage Regulator for RF/Analog Circuits
PDF  23 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

LP38798 Datasheet(HTML) 7 Page - Texas Instruments

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2.0
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
2.9
3.0
-50
-25
0
25
50
75
100
125
TEMPERATURE, T
J (ƒC)
C023
Rising V
IN (ON)
Falling V
IN (OFF)
1.00
1.05
1.10
1.15
1.20
1.25
1.30
1.35
1.40
-50
-25
0
25
50
75
100
125
TEMPERATURE, T
J (ƒC)
C024
Rising V
EN (ON)
Falling V
EN (OFF)
0
10
20
30
40
50
60
70
80
90
100
110
120
10
100
1k
10k
100k
1M
10M
FREQUENCY (Hz)
Vin = 5.5V
Vin = 6.0V
C005
V
OUT = 5.0 V
C
OUT = 10 µF MLCC
I
OUT = 800 mA
0
10
20
30
40
50
60
70
80
90
100
110
120
10
100
1k
10k
100k
1M
10M
FREQUENCY (Hz)
Cout = 10 µF
Cout = 50 µF
C006
V
IN = 5.5 V
V
OUT = 5.0 V
I
OUT = 800 mA
0
10
20
30
40
50
60
70
80
90
100
110
120
10
100
1k
10k
100k
1M
10M
FREQUENCY (Hz)
Vin = 5.5V
Vin = 6.0V
C003
V
OUT = 5.0 V
C
OUT = 10 µF MLCC
I
OUT = 200 mA
0
10
20
30
40
50
60
70
80
90
100
110
120
10
100
1k
10k
100k
1M
10M
FREQUENCY (Hz)
Vin = 5.5V
Vin = 6.0V
C004
V
OUT = 5.0 V
C
OUT = 10 µF MLCC
I
OUT = 400 mA
LP38798
www.ti.com
SNOSCT6A – MARCH 2013 – REVISED MAY 2013
TYPICAL PERFORMANCE CHARACTERISTICS (continued)
Unless otherwise specified: VIN = 5.5V, VOUT = 5.0 V, IOUT = 10 mA, COUT = 10 µF MLCC 16V X7R, TJ = 25°C.
Figure 8. PSRR, VOUT = 5.0 V, IOUT = 200 mA
Figure 9. PSRR, VOUT = 5.0 V, IOUT = 400 mA
Figure 10. PSRR, VOUT = 5.0 V, IOUT = 800 mA
Figure 11. PSRR, VOUT = 5.0 V, IOUT= 800mA
Figure 12. UVLO Thresholds vs. TJ
Figure 13. Enable Thresholds vs. TJ
Copyright © 2013, Texas Instruments Incorporated
7
Product Folder Links: LP38798



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