参数资料
型号: NCP1282BDR2G
厂商: ON Semiconductor
文件页数: 8/22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
2.0
12.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
11.5
11.0
10.5
10.0
9.5
9.0
8.5
8.0
7.5
V AUX(on)
V AUX(off1)
V AUX(off2)
0
--50
--25
0
25
50
75
100
125
150
7.0
--50
--25
0
25
50
75
100
125
150
12
T J , JUNCTION TEMPERATURE ( ? C)
Figure 2. Startup Circuit Inhibit Voltage Threshold
vs. Junction Temperature
10
T J , JUNCTION TEMPERATURE ( ? C)
Figure 3. Auxiliary Supply Voltage Thresholds
vs. Junction Temperature
11
10
9
V AUX = V inhibit + 0.2 V
V in = 48 V
9
8
7
V in = 48 V
T J = 25 ? C
8
6
7
6
5
4
3
V AUX = V AUX(on) -- 0.2 V
5
4
3
2
1
2
--50
--25
0
25
50
75
100
125
150
0
0
2
4
6
8
10
12
T J , JUNCTION TEMPERATURE ( ? C)
Figure 4. Startup Current vs. Junction Temperature
100
V AUX , SUPPLY VOLTAGE (V)
Figure 5. Startup Current vs. Supply Voltage
90
80
70
60
50
40
30
20
10
V AUX = 12 V
T J = --40 ? C
T J = 25 ? C
T J = 125 ? C
0
0
50
100 150 200 250 300 350 400
450 500
V in , INPUT VOLTAGE (V)
Figure 6. Startup Circuit Leakage Current
vs. Input Voltage
http://onsemi.com
8
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