NCP690 ONSEMI [ON Semiconductor], NCP690 Datasheet - Page 10

• Manufacturer Part Number: NCP690
• Description: 1 A, Low IGND, Very Low Dropout Regulator (VLDO) with/without Enable
• Manufacturer: ONSEMI [ON Semiconductor]

5.05
5.00
4.95
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
C
t
rise
IN
= C
= 10 ms
Figure 29. Start−Up Transient
OUT
Figure 27. Line Transient
= 10 mF,
TIME (50 ms/DIV)
TIME (50 ms/DIV)
(V
(V
out
out
V
V
OUT
EN
= 5.0 V)
= 2.5 V)
70
60
50
40
30
20
10
0
10
V
C
I
t
OUT
rise_EN
IN
IN
V
V
V
C
= 3.5 V,
= C
IN
OUT
PP
OUT
= 1 A,
TYPICAL CHARACTERISTICS
= 2.5 V,
Figure 31. PSRR vs. Frequency
OUT
= 0.5 V,
= 10 ms
V
= 1.5 V,
= 1 mF
100
V
OUT
IN
= 10 mF,
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FREQUENCY (Hz)
(V
out
6
5
1000
= 1.5 V)
10
2.5
2.0
1.5
1.0
0.5
0
6
5
4
3
2
1
0
10,000
Figure 28. Start−Up Transient
Figure 30. Start−Up Transient
100,000
TIME (50 ms/DIV)
TIME (50 ms/DIV)
(V
(V
out
out
= 1.5 V)
= 5.0 V)
V
V
V
C
I
t
OUT
rise_EN
OUT
EN
IN
V
IN
V
OUT
V
C
I
t
EN
OUT
rise_EN
= 6.0 V,
= C
IN
IN
= 1 A,
= 2.5 V,
= C
OUT
= 10 ms
= 1 A,
OUT
= 10 ms
= 10 mF,
= 10 mF,