ADP123-BL1-EVZ Analog Devices Inc, ADP123-BL1-EVZ Datasheet - Page 9

• Manufacturer Part Number: ADP123-BL1-EVZ
• Description: Linear Regulator Eval. Board
• Manufacturer: Analog Devices Inc

Specifications of ADP123-BL1-EVZ

• Silicon Manufacturer: Analog Devices
• Application Sub Type: LDO
• Kit Application Type: Power Management - Voltage Regulator
• Silicon Core Number: ADP123
• Kit Contents: Board, Starter Guide
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Figure 19. Power Supply Rejection Ratio vs. Headroom Voltage (V
Figure 17. Power Supply Rejection Ratio vs. Frequency, V
Figure 18. Power Supply Rejection Ratio vs. Frequency, Various Output
–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
10
V
V
V
V
V
V
V
V
I
I
I
I
I
I
V
V
V
V
V
V
IN
IN
IN
IN
IN
IN
IN
IN
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
V
V
C
V
V
C
= 3.1V, I
= 3.3V, I
= 3.8V, I
= 4.8V, I
= 3.1V, I
= 3.3V, I
= 3.8V, I
= 4.8V, I
IN
RIPPLE
V
C
IN
IN
RIPPLE
100
IN
100
100
RIPPLE
IN
= 100µA
= 1mA
= 10mA
= 100mA
= 200mA
= 300mA
= V
= 2.8V, I
= 3.3V, I
= 4.2V, I
= 2.8V, I
= 3.3V, I
= 4.2V, I
= C
= V
= C
= C
Voltages and Load Currents
OUT
OUT
OUT
OUT
= 50mV
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
= 50mV
= 50mV
+ 0.5V
1µF
OUT
OUT
OUT
OUT
OUT
OUT
+ 0.5V
1µF
= 1mA
= 1mA
= 1mA
= 1mA
= 300mA
= 300mA
= 300mA
= 300mA
1µF
1k
1k
1k
FREQUENCY (Hz)
= 1mA
= 1mA
= 1mA
= 300mA
= 300mA
= 300mA
FREQUENCY (Hz)
FREQUENCY (Hz)
10k
10k
10k
100k
100k
100k
OUT
= 4.2 V, V
1M
1M
1M
IN
IN
= 4.7 V
10M
10M
10M
− V
OUT
Rev. 0 | Page 9 of 20
)
1
2
Figure 21 Output Noise vs. Load Current and Output Voltage
70
65
60
55
50
45
40
35
30
5
4
3
2
1
0
0.001
10
CH1
200mA Ω
V
Figure 22. Load Transient Response, C
OUT
0.01
= 2.8V
1mA TO 300mA LOAD STEP
Figure 20. Output Noise Spectrum
V
B
100
OUT
W
V
OUT
CH2 50.0mV
= 4.2V
0.1
= 3.3V
FREQUENCY (Hz)
V
V
V
OUT
OUT
OUT
V
I
OUT
OUT
I
OUT
= 4.2V
= 3.3V
= 2.8V
1k
B
1
(mA)
W
M 40.0µs A CH1
T
ADP122/ADP123
10.20%
10
10k
OUT
V
V
IN
OUT
= 1 μF
= 3.7V
100
= 3.3V
196mA
1000
100k