参数资料
型号: NCP1282BDR2G
厂商: ON Semiconductor
文件页数: 9/22页
文件大小: 0K
描述: IC REG CTRLR BST FLYBK VM 16SOIC
标准包装: 1
PWM 型: 电压模式
输出数: 2
频率 - 最大: 1MHz
占空比: 85%
电源电压: 8.5 V ~ 20 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 125°C
封装/外壳: 16-SOIC(0.154",3.90mm 宽)
包装: 剪切带 (CT)
其它名称: NCP1282BDR2GOSCT
NCP1282
10
8.0
9
8
7
6
5
4
V AUX = 12 V
V UVOV = 2.3 V, C out1 = C out2 = 100 pF
V UVOV = 2.3 V, V EA = 0 V
7.5
7.0
6.5
6.0
5.5
5.0
3
2
1
V UVOV = 0 V
4.5
4.0
3.5
V in = 48 V
T J = 25 ? C
f OSC ≈ 230 kHz
C out1 = C out2 = 100 pF
0
--50
--25
0
25
50
75
100
125
150
3.0
10
11
12
13
14
15
16
17
18
19
20
3.2
T J , JUNCTION TEMPERATURE ( ? C)
Figure 7. Auxiliary Supply Current
vs. Junction Temperature
150
V AUX , POWER SUPPLY VOLTAGE (V)
Figure 8. Supply Current vs. Supply Voltage
3.1
3.0
2.9
2.8
2.7
2.6
2.5
2.4
2.3
2.2
OVERVOLTAGE
140
130
120
110
100
90
80
70
OVERVOLTAGE
UNDERVOLTAGE
2.1
2.0
--50
--25
0
UNDERVOLTAGE
25 50
75
100
125
150
60
50
--50
--25
0
25
50
75
100
125
150
75
T J , JUNCTION TEMPERATURE ( ? C)
Figure 9. Line Under/Overvoltage Thresholds
vs. Junction Temperature
50
T J , JUNCTION TEMPERATURE ( ? C)
Figure 10. Line Under/Overvoltage Hysteresis
vs. Junction Temperature
70
65
60
55
50
45
40
35
30
25
V AUX = 12 V
V UVOV = 2.8 V
45
40
35
30
25
20
15
10
5
0
V CC = 12 V
V SS = 0 V
V FF = 0.5 V
--50
--25
0
25
50
75
100
125
150
--50
--25
0
25
50
75
100
125
150
T J , JUNCTION TEMPERATURE ( ? C)
Figure 11. UVOV Offset Current
vs. Junction Temperature
http://onsemi.com
9
T J , JUNCTION TEMPERATURE ( ? C)
Figure 12. FF Discharge Current
vs. Junction Temperature
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