
Data Sheet
ADR4540
ADR4520/ADR4525/ADR4530/ADR4533/ADR4540/ADR4550
4.0970
ADR4540
0.8
ADR4540
0.7
+125°C
4.0965
0.6
0.5
+25°C
4.0960
4.0955
0.4
0.3
0.2
0.1
–40°C
4.0950
–50
–30
–10
10
30
50
70
90
110
130
0
–15
–10
–5
0
5
10
15
TEMPERATURE (°C)
Figure 64. ADR4540 Output Voltage vs. Temperature
I LOAD (mA)
Figure 67. ADR4540 Dropout Voltage vs. Load Current
3.5
ADR4520
35
ADR4540
ADR4525
3.0
2.5
2.0
1.5
1.0
0.5
ADR4530
ADR4533
ADR4540
ADR4550
30
25
20
15
10
5
0
0
–60
–40
–20
0
20
40
60
80
100
120
140
TEMPERATURE (°C)
ΔV OUT_HYS (ppm)
Figure 65. ADR4540 Thermally Induced Output Voltage Hysteresis Distribution
Figure 68. ADR4540 Load Regulation vs. Temperature (Sourcing)
V IN (5V/DIV)
ADR4540
100
ADR4540
90
80
70
1
60
50
40
2
V OUT (1V/DIV)
C IN = 0.1μF
C OUT = 0.1μF
R L = 1kΩ
30
20
10
CH1 5.00V
CH2 1.00V
M40.0μs
A CH1
3.10V
0
–60
–40
–20
0
20
40
60
80
100
120
140
TEMPERATURE (°C)
Figure 66. ADR4540 Output Voltage Start-Up Response
Rev. 0 | Page 23 of 32
Figure 69. ADR4540 Load Regulation vs. Temperature (Sinking)