ISL9000A Intersil Corporation, ISL9000A Datasheet - Page 7

• Manufacturer Part Number: ISL9000A
• Description: Dual LDO
• Manufacturer: Intersil Corporation

Typical Performance Curves
10mV/DIV
FIGURE 16. LINE TRANSIENT RESPONSE (2.8V OUTPUT)
100
3
2
1
0
5
0
90
80
70
60
50
40
30
20
10
4.2V
3.5V
0
0
0.1k
VO2 (10mV/DIV)
FIGURE 14. TURN ON/TURN OFF RESPONSE
100
FIGURE 18. PSRR vs FREQUENCY
200
1k
300
400
FREQUENCY (kHz)
TIME (µs)
7
500
400µs/DIV
10k
600
700
VO = 2.8V
I
C
C
(Continued)
LOAD
V
VO = 1.8V
I
C
C
LOAD
BYP
O
C
C
100k
V
VO1 = 3.3V
VO2 = 2.8V
I
I
IN
BYP
LOAD
L
L
L
BYP
= 10mA
IN
1 = 300mA
2 = 300mA
1, C
800
= 3.6V
= 0.01µF
= 5.0V
= 300mA
= 0.1µF
= 1µF
= 0.01µF
L
= 1µF
2 = 1µF
900 1000
1M
ISL9000A
10mV/DIV
300mA
FIGURE 15. LINE TRANSIENT RESPONSE (3.3V OUTPUT)
100µA
FIGURE 19. SPECTRAL NOISE DENSITY vs FREQUENCY
1000
100
0.1
4.3V
3.6V
10
1
10
FIGURE 17. LOAD TRANSIENT RESPONSE
VO (25mV/DIV)
V
VO = 1.8V
I
C
C
C
LOAD
IN
BYP
IN
LOAD
I
LOAD
= 3.6V
= 1µF
= 0.1µF
= 10mA
100
= 1µF
FREQUENCY (Hz)
1k
100µs/DIV
400µs/DIV
10k
VO = 3.3V
I
C
C
LOAD
LOAD
BYP
100k
= 0.01µF
= 300mA
V
VO = 1.8V
= 1µF
IN
January 10, 2007
= 2.8V
FN6391.0
1M