ADR121 Analog Devices, Inc., ADR121 Datasheet - Page 14
ADR121
Manufacturer Part Number
ADR121
Description
Precision, Micropower Ldo Voltage References In Tsot
Manufacturer
Analog Devices, Inc.
Datasheet
1.ADR121.pdf
(20 pages)
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ADR121/ADR125/ADR127
1
2
1
2
1
2
C
C
C
IN
IN
IN
= C
= C
= C
Figure 38. ADR127 Line Transient Response
Figure 39. ADR121 Line Transient Response
Figure 40. ADR125 Line Transient Response
OUT
OUT
OUT
V
500mV/DIV
V
500mV/DIV
OUT
OUT
= 0.1µF
= 0.1µF
= 0.1µF
V
LINE INTERRUPTION
LINE INTERRUPTION
1V/DIV
V
1V/DIV
IN
IN
V
500mV/DIV
1V/DIV
OUT
TIME (400µs/DIV)
TIME (200µs/DIV)
TIME (400µs/DIV)
Rev. 0 | Page 14 of 20
2
1
1
2
1
2
Figure 42. ADR127 Load Transient Response (Sourcing)
Figure 41. ADR127 Load Transient Response (Sinking)
Figure 43. ADR121 Load Transient Response (Sinking)
V
20mV/DIV
V
100mV/DIV
V
10mV/DIV
OUT
OUT
OUT
V
C
625 LOAD
2mA SINKING
V
C
250 LOAD
5mA SOURCING
IN
V
C
1250 LOAD
2mA SINKING
IN
IN
IN
IN
IN
500mV/DIV
= C
500mV/DIV
= C
1V/DIV
= C
OUT
OUT
OUT
= 0.1µF
= 0.1µF
= 0.1µF
TIME (40µs/DIV)
TIME (40µs/DIV)
TIME (40µs/DIV)
2.50V
1.25V
1.25V
0V
5V
2.5V