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| 型号： | NCP1280DR2 |
| 厂商： | ON Semiconductor |
| 文件页数： | 5/17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
ELECTRICAL CHARACTERISTICS (V in = 82 V, V AUX = 12 V, V EA = 2 V, R T = 101 k W , C CSKIP = 6800 pF,
R D = 60.4 k W , R FF = 1.0 M W , for typical values T J = 25 ° C, for min/max values, T J = ? 40 ° C to 125 ° C, unless otherwise noted)
Characteristic
Symbol
Min
Typ
Max
Unit
STARTUP CONTROL AND V AUX REGULATOR
V AUX Regulation
Startup Threshold/V AUX Regulation Peak (V AUX increasing)
Minimum Operating V AUX Valley Voltage After Turn ? On
Hysteresis
Minimum Startup Voltage (Pin 1)
I START = 1.5 mA, V AUX = V AUX(on) ? 0.2 V, I REF = 0 A
Startup Circuit Output Current
V AUX = 0 V
T J = 25 ° C
T J = ? 40 ° C to 125 ° C
V AUX = V AUX(on) ? 0.2 V
T J = 25 ° C
T J = ? 40 ° C to 125 ° C
Startup Circuit Off ? State Leakage Current (V in = 700 V)
T J = 25 ° C
T J = ? 40 ° C to 125 ° C
Startup Circuit Breakdown Voltage (Note 2)
I START(off) = 50 m A, T J = 25 ° C
Auxiliary Supply Current After V AUX Turn ? On
Outputs Disabled
V EA = 0 V
V UV/OV = 0.7 V
Outputs Enabled
V AUX(on)
V AUX(off)
V H
V START(min)
I START
I START(off)
V (BR)DS
I AUX1
I AUX2
I AUX3
10.5
6.6
?
?
13
10
10
8
?
?
700
?
?
?
11.0
7.0
4.0
?
17.5
?
13.8
?
23
?
?
2.7
1.3
4.6
11.5
7.4
?
25
21
25
17
19
50
100
?
5.0
2.5
6.5
V
V
mA
m A
V
mA
LINE UNDER/OVERVOLTAGE DETECTOR
Undervoltage Threshold (V in Increasing)
Undervoltage Hysteresis
Overvoltage Threshold (V in Increasing)
Overvoltage Hysteresis
Undervoltage Propagation Delay to Output
Overvoltage Propagation Delay to Output
V UV
V UV(H)
V OV
V OV(H)
t UV
t OV
1.40
0.080
3.47
?
?
?
1.52
0.098
3.61
0.145
250
160
1.64
0.120
3.75
?
?
?
V
V
V
V
ns
ns
CURRENT LIMIT
Cycle by Cycle Threshold Voltage
Propagation Delay to Output (V EA = 2.0 V)
V CS = I LIM1 to 2.0 V, measured when V OUT reaches 0.5 V OH
Cycle Skip Threshold Voltage
Cycle Skip Charge Current (V CSKIP = 0 V)
I LIM1
t ILIM
I LIM2
I CSKIP
0.44
?
0.54
8.0
0.48
90
0.57
12.3
0.52
150
0.62
15
V
ns
V
m A
2. Guaranteed by design only.
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