参数资料
型号: ADP1850SP-EVALZ
厂商: Analog Devices Inc
文件页数: 11/32页
文件大小: 0K
描述: EVAL BOARD FOR ADP1850SP
标准包装: 1
主要目的: DC/DC,步降
输出及类型: 2,非隔离
输出电压: 1.8V,3.3V
电流 - 输出: 14A,14A
输入电压: 10 ~ 20 V
稳压器拓扑结构: 降压
频率 - 开关: 600kHz
板类型: 完全填充
已供物品:
已用 IC / 零件: ADP1850SP
Data Sheet
ADP1850
350
300
250
DH MINIMUM OFF TIME
45
43
41
39
T A = 25°C
OUTPUT IS LOADED
HS FET = BSC080N03LS
LS FET = BSC030N03LS
37
200
150
35
33
31
100
DH MINIMUM ON TIME
29
50
2.5
5.0
7.5
10.0
12.5
15.0
17.5
20.0
27
25
0
DEAD TIME BETWEEN SW FALLING EDGE
AND DL RISING EDGE, INCLUDING DIODE RECOVERY TIME
5 10 15 2 0
V IN (V)
Figure 16. Typical DH Minimum On Time and Off Time
V IN (V)
Figure 19. Dead Time vs. V IN
4
3
DH MINIMUM OFF TIME
600
580
560
V IN = 2.75V TO 20V
2
540
1
0
–1
DH MINIMUM ON TIME
520
500
480
460
–2
440
–3
420
–4
–40
–15
10
35
60
85
110
135
400
–40
–15
10
35
60
85
110
135
TEMPERATURE (°C)
Figure 17. DH Minimum On Time and Off Time Over Temperature
TEMPERATURE (°C)
Figure 20. G m of Error Amplifier vs. Temperature
35
V IN = 12V
34 OUTPUT IS LOADED
HS FET = BSC080N03LS
33 LS FET = BSC030N03LS
32
31
30
29
28
27
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
V IN = 2.75V, SOURCING
V IN = 12V, SOURCING
V IN = 2.75V, SINKING
V IN = 12V, SINKING
DEAD TIME BETWEEN SW FALLING EDGE
26
AND DL RISING EDGE, INCLUDING DIODE RECOVERY TIME
25
–40 –20 0 20 40 60 80 100 120 140
0.5
0
–40
–15
10
35
60
85
110
135
TEMPERATURE (°C)
Figure 18. Dead Time vs. Temperature
Rev. A | Page 11 of 32
TEMPERATURE (°C)
Figure 21. Driver Resistance vs. Temperature
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