参数资料
型号: NCP1280DR2
厂商: ON Semiconductor
文件页数: 9/17页
文件大小: 0K
描述: IC CTRLR PWM PROG OVP HV 16SOIC
标准包装: 2,500
输出隔离: 隔离
频率范围: 140kHz ~ 320kHz
输入电压: 7 V ~ 25 V
工作温度: -40°C ~ 150°C
封装/外壳: 16-SOIC(0.154",3.90mm 宽)
供应商设备封装: 16-SOIC N
包装: 带卷 (TR)
NCP1280
TYPICAL CHARACTERISTICS
315
600
310
305
300
295
290
R T = 101 k W
500
400
300
200
100
T J = 25 ° C
DC [ 50%
285
? 50
? 25
0
25
50
75
100
125
150
0
50
100
150
200
250
300
350
400
19
T J , JUNCTION TEMPERATURE ( ° C)
Figure 15. Oscillator Frequency versus
Junction Temperature
90
R T , TIMING RESISTOR (k W )
Figure 16. Oscillator Frequency versus
Timing Resistor
18
17
16
15
14
13
12
11
10
80
70
60
50
40
30
20
10
T J = ? 40 ° C
T J = 125 ° C
V EA = 3.0 V
V DCMAX = 0 V
9
? 50
? 25
0
25
50
75
100
125
150
0
0
75
150
225
300
375
450
525
T J , JUNCTION TEMPERATURE ( ° C)
Figure 17. Feedforward Internal Resistance
versus Junction Temperature
I FF , FEEDFORWARD CURRENT ( m A)
Figure 18. Maximum Duty Cycle versus
Feedforward Current
100
90
80
70
60
R P = OPEN, R MDP = OPEN
R P = 0 W , R MDP = OPEN
R FF = 1.0 M W
7.0
6.5
6.0
5.5
5.0
4.5
4.0
CHARGE
DISCHARGE
70
65
60
55
50
45
40
3.5
35
50
? 50
? 25
0
25
50
75
100
125 150
3.0
? 50
? 25
0
25
50
75
100
30
125 150
T J , JUNCTION TEMPERATURE ( ° C)
Figure 19. Maximum Duty Cycle versus
Junction Temperature
T J , JUNCTION TEMPERATURE ( ° C)
Figure 20. Soft ? Start Charge/Discharge
Currents versus Junction Temperature
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9
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