ADP2121 Analog Devices, ADP2121 Datasheet - Page 7

• Manufacturer Part Number: ADP2121
• Description: 600 mA, 6 MHz Synchronous Step-Down DC-to-DC Converter
• Manufacturer: Analog Devices

Figure 12. PWM Mode Quiescent Current vs. Input Voltage Over Temperature
Figure 10. Auto Mode Quiescent Current vs. Input Voltage Over Temperature
Figure 11. Shutdown Current vs. Input Voltage Over Temperature
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
16
14
12
10
44
42
40
38
36
34
32
30
8
6
4
0
2.3
2.3
2.3
V
V
V
OUT
OUT
OUT
2.7
2.7
2.7
= 1.82V
= 1.82V
= 1.82V
3.1
3.1
3.1
(Nonswitching, No Load)
(Switching, No Load)
T
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
A
3.5
3.5
3.5
= +25°C
T
T
T
T
T
T
A
A
A
A
A
A
= +85°C
= +85°C
= +25°C
= –40°C
= +25°C
= –40°C
3.9
3.9
3.9
T
A
= +85°C
4.3
4.3
4.3
T
A
= –40°C
4.7
4.7
4.7
V
OUT
5.1
5.1
5.1
= 1.82V
5.5
5.5
5.5
Rev. B | Page 7 of 20
Figure 13. Auto Mode Quiescent Current vs. Input Voltage for All Voltage
Figure 14. Shutdown Current vs. Input Voltage for All Voltage Options
0.7
0.6
0.5
0.4
0.3
0.2
0.1
40
38
36
34
32
30
15
13
11
Figure 15. PWM Mode Quiescent Current vs. Input Voltage
0
9
7
5
3
2.3
2.3
2.3
for All Voltage Options (Switching, No Load)
2.7
2.7
2.7
Options (Nonswitching, No Load)
3.1
3.1
3.1
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
3.5
3.5
3.5
3.9
3.9
3.9
4.3
4.3
4.3
4.7
4.7
4.7
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
= 1.8V
= 1.82V
= 1.85V
= 1.875V
= 2.3V
= 1.8V
= 1.82V
= 1.85V
= 1.875V
= 2.3V
5.1
ADP2121
5.1
= 1.8V
= 1.82V
= 1.85V
= 1.875V
= 2.3V
5.1
5.5
5.5
5.5