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LP2985_08 Datasheet, PDF (13/25 Pages) Texas Instruments – 150-mA LOW-NOISE LOW-DROPOUT REGULATOR WITH SHUTDOWN | |||
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LP2985
150-mA LOW-NOISE LOW-DROPOUT REGULATOR
WITH SHUTDOWN
SLVS522K â JULY 2004 â REVISED MARCH 2008
TYPICAL PERFORMANCE CHARACTERISTICS (continued)
CIN = 1 µF, COUT = 4.7 µF, VIN = VOUT(NOM) + 1 V, TA = 25°C, ON/OFF pin tied to VIN (unless otherwise specified)
TURN-ON TIME
TURN-ON TIME
4
10
4
VO
10
VO
3
3
8
8
2
2
1
0
VO = 3.3 V
â1 Cbyp = 100 pF
ILOAD = 150 mA
â2
â3
VON/OFF
â4
200 µs/div"
Figure 25.
4
3
2
1
6
0
4
â1
VO = 3.3 V
Cbyp = 1 nF
ILOAD = 150 mA
â2
2
â3
0
â4
TURN-ON TIME
2 ms/div"
Figure 26.
Input
10
8
6
4
VON/OFF
2
0
1
0
â1
VO = 3.3 V
Cbyp = 10 nF
ILOAD = 150 mA
â2
â3
â4
20 ms/div"
Figure 27.
6
4
Output
2
0
Copyright © 2004â2008, Texas Instruments Incorporated
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