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REF191 数据表(PDF) 17 Page - Analog Devices

部件名 REF191
功能描述  Precision Micropower, Low Dropout Voltage References
PDF  28 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

REF191 数据表(HTML) 17 Page - Analog Devices

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



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