REF19x Series
REF19x
2
4
V
= 15V
IN
0
–20
6
10mA
0
1µF
Figure 13. Load Transient Response Measurement Circuit
–40
–60
–80
2V
100%
90%
–100
–120
10
100
1k
10k
100k
1M
FREQUENCY (Hz)
Figure 9. Ripple Rejection vs. Frequency
1mA
LOAD
30mA
LOAD
10µF
10%
0%
REF19x
10µF
1kΩ
1kΩ
V
= 15V
2
6
OUTPUT
IN
2V
100µs
4
10µF
1µF
REF
Figure 10. Ripple Rejection vs. Frequency Measurement Circuit
Figure 14. Power-On Response Time
REF19x
V
= 7V
200V
IN
REF19x
2
6
2
4
V
V
= 2V p-p
= 4V
6
G
S
V
= 7V
4
IN
1µF
1µF
1µF
Z
Figure 15. Power-On Response Time Measurement Circuit
4
3
2
1
0
5V
100%
90%
ON
OFF
10
100
1k
10k
100k
1M
10M
FREQUENCY (Hz)
Figure 11. Output Impedance vs. Frequency
I
= 1mA
L
V
OUT
I
= 10mA
L
5V
10%
0%
OFF
ON
100%
90%
2ms
1V
SLEEP
Figure 16.
Response Time
REF19x
= 15V
V
IN
2
V
OUT
6
10%
0%
3
1µF
4
20mV
100µs
Figure 12. Load Transient Response
SLEEP
Response Time Measurement Circuit
Figure 17.
Rev. I | Page 17 of 28
ADI [ ADI ]
