B1077AS-4R7N AD [Analog Devices], B1077AS-4R7N Datasheet - Page 8

• Manufacturer Part Number: B1077AS-4R7N
• Description: 1.2 A, 20 V, 700 kHz/1.4 MHz, Nonsynchronous Step-Down Regulator
• Manufacturer: AD [Analog Devices]

ADP2300/ADP2301
0.804
0.802
0.800
0.798
0.796
0.794
0.792
110
105
100
95
90
85
80
40
35
30
25
20
15
10
5
0
–50
–50
2
Figure 17. 0.8 V Feedback Voltage vs. Temperature
Figure 18. Minimum On Time vs. Temperature
–20
–20
5
Figure 16. Shutdown Current vs. V
10
10
8
TEMPERATURE (°C)
TEMPERATURE (°C)
V
IN
40
11
40
(V)
70
14
70
IN
T
T
T
100
J
J
J
17
100
= −40°C
= +25°C
= +125°C
130
20
130
Rev. 0 | Page 8 of 28
160
140
120
100
2.5
2.0
1.5
1.0
0.5
2.5
2.0
1.5
1.0
0.5
80
60
40
20
0
0
0
–50
Figure 20. Current-Limit Threshold vs. V
–50
2
Figure 21. Current-Limit Threshold vs. Temperature
Figure 19. Minimum Off Time vs. Temperature
–20
–20
5
10
10
8
TEMPERATURE (°C)
TEMPERATURE (°C)
V
IN
40
40
11
(V)
70
70
14
IN
, V
BST −
f
f
SW
SW
V
100
100
SW
17
= 1.4MHz
= 700kHz
= 5.0 V
130
130
20