ADP125-EVALZ Analog Devices Inc, ADP125-EVALZ Datasheet - Page 9
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ADP125-EVALZ
Manufacturer Part Number
ADP125-EVALZ
Description
500mA LDO Eval Board(MSOP)
Manufacturer
Analog Devices Inc
Datasheet
1.ADP125-EVALZ.pdf
(20 pages)
Specifications of ADP125-EVALZ
Channels Per Ic
1 - Single
Voltage - Output
0.8 ~ 5 V
Current - Output
500mA
Voltage - Input
2.3 ~ 5.5 V
Regulator Type
Positive Adjustable
Operating Temperature
-40°C ~ 85°C
Board Type
Fully Populated
Utilized Ic / Part
ADP125
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Figure 21. Power Supply Rejection Ratio vs. Headroom Voltage (V
Figure 19. Power Supply Rejection Ratio vs. Frequency, V
–100
–100
–100
–10
–20
–30
–40
–50
–60
–70
–80
–90
–10
–20
–30
–40
–50
–60
–70
–80
–90
–10
–20
–30
–40
–50
–60
–70
–80
–90
10
10
Figure 20. Power Supply Rejection Ratio vs. Frequency,
10
V
V
C
IN
RIPPLE
IN
V
V
V
V
V
V
V
V
V
V
C
Various Output Voltages and Load Currents
V
V
V
V
V
V
IN
IN
IN
IN
IN
IN
IN
IN
IN
RIPPLE
IN
= V
= C
OUT
OUT
OUT
OUT
OUT
OUT
I
I
I
I
I
I
= 3.1V, I
= 3.3V, I
= 3.8V, I
= 4.8V, I
= 3.1V, I
= 3.3V, I
= 3.8V, I
= 4.8V, I
OUT
OUT
OUT
OUT
OUT
OUT
= V
= C
100
100
OUT
OUT
100
= 2.8V, I
= 3.3V, I
= 4.2V, I
= 2.8V, I
= 3.3V, I
= 4.2V, I
= 50mV
OUT
OUT
= 100µA
= 1mA
= 10mA
= 100mA
= 300mA
= 500mA
= 50mV
+ 1V
= 1µF
+ 1V
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
= 1µF
OUT
OUT
OUT
OUT
OUT
OUT
1k
1k
= 10mA
= 10mA
= 10mA
= 10mA
= 500mA
= 500mA
= 500mA
= 500mA
1k
FREQUENCY (Hz)
FREQUENCY (Hz)
V
= 10mA
= 10mA
= 10mA
= 500mA
= 500mA
= 500mA
FREQUENCY (Hz)
OUT
= 2.8 V
10k
10k
10k
100k
100k
100k
OUT
= 4.2 V, V
1M
1M
1M
IN
IN
10M
10M
10M
= 5.2 V
− V
OUT
Rev. A | Page 9 of 20
),
Figure 23. Output Noise vs. Load Current and Output Voltage, V
1
2
70
65
60
55
50
45
40
35
30
25
20
5
4
3
2
1
0
0.001
10
CH1
V
Figure 24. Load Transient Response, C
V
V
500mA Ω
OUT
IN
OUT
Figure 22. Output Noise Spectrum, V
= 4V
= 2.8V
0.01
= 3.3V
1mA TO 500mA LOAD STEP
V
B
100
OUT
V
W
OUT
CH2 50.0mV
= 4.2V
= 3.3V
0.1
FREQUENCY (Hz)
I
V
V
V
OUT
V
OUT
OUT
OUT
OUT
I
LOAD
= 4.2V
= 3.3V
= 2.8V
1k
1
B
(mA)
W
T
M40.0µs A CH1
ADP124/ADP125
9.800%
10
10k
OUT
IN
= 5 V
= 1 μF
100
200mA
100k
IN
1k
= 5 V