NCP585 ONSEMI [ON Semiconductor], NCP585 Datasheet - Page 8

• Manufacturer Part Number: NCP585
• Description: Tri-Mode 300 mA CMOS LDO Regulator with Enable
• Manufacturer: ONSEMI [ON Semiconductor]

0.88
0.86
0.84
0.82
0.80
0.78
0.76
2.68
2.66
2.64
2.62
2.60
2.58
2.56
100
90
80
70
60
50
40
30
20
10
0
0
0
0
V
V
C
10
10
out
in
out
Figure 27. Ripple Rejection vs. Frequency
= 2.5 V + 0.2 V
= 1.5 V
= 2.2 mF, ECO = H
20
20
30
30
I
out
Output Voltage
Input Voltage
FREQUENCY, f (kHz)
= 30 mA
Output Voltage
1
40
40
Input Voltage
TIME, t (ms)
TIME, t (ms)
p−p
50
50
ECO = H, I
C
V
ECO = H, I
C
V
out
out
out
out
60
60
= 0.8 V
= 2.6 V
= Tantalum 1.0 mF
= Ceramic 1.0 mF
70
70
10
out
out
Figure 29. Input Transient Response
TYPICAL CHARACTERISTICS
80
80
= 30 mA
= 30 mA
I
I
out
out
90
90
= 1.0 mA
= 50 mA
http://onsemi.com
100
100
−1
−1
−2
5
4
3
2
1
0
4
3
2
1
0
NCP585
100
8
3.0
2.5
2.0
1.5
1.0
0.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
100
0
0.0
0.0
90
80
70
60
50
40
30
20
10
0
0
ECO = L, I
C
V
out
out
V
V
C
0.4
0.4
out
in
Figure 28. Ripple Rejection vs. Frequency
out
= 2.6 V
= Ceramic 1.0 mF
= 2.5 V + 0.2 V
= 1.5 V
= 2.2 mF, ECO = L
0.8
0.8
out
1.2
1.2
= 30 mA
Input Voltage
FREQUENCY, f (kHz)
Output Voltage
Output Voltage
1.6
1.6
1
Input Voltage
p−p
TIME, t (ms)
TIME, t (ms)
2.0
2.0
ECO = L, I
C
V
2.4
2.4
out
out
= 0.8 V
= Tantalum 1.0 mF
I
2.8
2.8
out
10
= 1.0 mA
out
I
3.2
3.2 3.6
out
= 30 mA
I
= 30 mA
out
3.6
= 50 mA
4.0
4.0
−1
−2
−1
4
3
2
1
0
5
4
3
2
1
0
100