ADP2106 Analog Devices, ADP2106 Datasheet - Page 10

• Manufacturer Part Number: ADP2106
• Description: 1.5 Amp Synchronous, Step-Down DC-to-DC Converter
• Manufacturer: Analog Devices

ADP2105/ADP2106/ADP2107
0.802
0.801
0.800
0.799
0.798
0.797
0.796
0.795
1.75
1.70
1.65
1.60
1.55
1.50
1.45
1.40
1.35
1.30
1.25
10k
100
1k
10
1
2.7
0.8
–40
+125°C
Figure 17. Quiescent Current vs. Input Voltage
Figure 18. Feedback Voltage vs. Temperature
1.2
3.0
Figure 19. Peak Current Limit of ADP2105
–20
+25°C
–40°C
1.6
3.3
0
2.0
3.6
2.4
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
20
TEMPERATURE (°C)
3.9
2.8
40
4.2
3.2
ADP2105 (1A)
60
4.5
3.6
4.0
4.8
80
4.4
5.1
100
T
4.8
A
5.4
= 25°C
120
5.2
5.7
125
Rev. C | Page 10 of 36
Figure 21. Switch On Resistance vs. Input Voltage—ADP2106 and ADP2107
1260
1250
1240
1230
1220
1210
1200
1190
190
180
170
160
150
140
130
120
110
100
Figure 20. Switch On Resistance vs. Input Voltage—ADP2105
120
100
80
60
40
20
2.7
0
2.7
2.7
NMOS SYNCHRONOUS RECTIFIER
Figure 22. Switching Frequency vs. Input Voltage
3.0
3.0
3.0
PMOS POWER SWITCH
NMOS SYNCHRONOUS RECTIFIER
3.3
3.3
3.3
PMOS POWER SWITCH
3.6
3.6
3.6
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
+125°C
3.9
3.9
–40°C
3.9
4.2
4.2
4.2
+25°C
4.5
4.5
4.5
4.8
4.8
4.8
T
5.1
A
5.1
5.1
= 25°C
5.4
5.4
5.4