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ADP1850ACPZ-R7 数据表(PDF) 11 Page - Analog Devices

部件名 ADP1850ACPZ-R7
功能描述  Wide Range Input, Dual/Two-Phase, DC-to-DC Synchronous Buck Controller
PDF  32 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

ADP1850ACPZ-R7 数据表(HTML) 11 Page - Analog Devices

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Data Sheet
ADP1850
Rev. C | Page 11 of 32
50
100
150
200
250
300
350
2.5
5.0
7.5
10.0
12.5
15.0
17.5
20.0
VIN (V)
DH MINIMUM OFF TIME
DH MINIMUM ON TIME
Figure 16. Typical DH Minimum On Time and Off Time
–4
–3
–2
–1
0
1
2
3
4
–40
–15
10
35
60
85
110
135
TEMPERATURE (°C)
DH MINIMUM ON TIME
DH MINIMUM OFF TIME
Figure 17. DH Minimum On Time and Off Time Over Temperature
25
35
34
33
32
31
30
29
28
27
26
–40
–20
0
20
40
60
80
100
120
140
TEMPERATURE (°C)
VIN = 12V
OUTPUT IS LOADED
HS FET = BSC080N03LS
LS FET = BSC030N03LS
DEAD TIME BETWEEN SW FALLING EDGE
AND DL RISING EDGE, INCLUDING DIODE RECOVERY TIME
Figure 18. Dead Time vs. Temperature
25
45
43
41
39
37
35
33
31
29
27
0
20
15
10
5
VIN (V)
TA = 25°C
OUTPUT IS LOADED
HS FET = BSC080N03LS
LS FET = BSC030N03LS
DEAD TIME BETWEEN SW FALLING EDGE
AND DL RISING EDGE, INCLUDING DIODE RECOVERY TIME
Figure 19. Dead Time vs. VIN
400
420
440
460
480
500
520
540
560
580
600
–40
–15
10
35
60
85
110
135
TEMPERATURE (°C)
VIN = 2.75V TO 20V
Figure 20. Gm of Error Amplifier vs. Temperature
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
–40
–15
10
35
60
85
110
135
TEMPERATURE (°C)
VIN = 2.75V, SOURCING
VIN = 12V, SOURCING
VIN = 2.75V, SINKING
VIN = 12V, SINKING
Figure 21. Driver Resistance vs. Temperature



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