参数资料
型号: NCP1294EDR2G
厂商: ON Semiconductor
文件页数: 4/13页
文件大小: 0K
描述: IC PWM CTLR FLYBACK 16SOIC
标准包装: 2,500
输出隔离: 隔离
频率范围: 260kHz ~ 320kHz
输入电压: 4.7 V ~ 15 V
工作温度: -40°C ~ 125°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)
NCP1294
ELECTRICAL CHARACTERISTICS ( ? 40 ° C < T A < 85 ° C; ? 40 ° C < T J < 125 ° C; 3.0 V < V C < 15 V; 4.7 V < V CC < 15 V;
R T = 12 k; C T = 390 pF; unless otherwis e specified.)
Characteristic
Test Conditions
Min
Typ
Max
Unit
Reference Voltage
Total Accuracy
Line Regulation
Load Regulation
Noise Voltage
Op Life Shift
Fault Voltage
V REF(OK) Voltage
V REF(OK) Hysteresis
Current Limit
0 mA < I REF < 2.0 mA
?
0 mA < I REF < 2.0 mA
10 Hz < F < 10 kHz. Note 2
T = 1000 Hrs. Note 2
?
?
?
?
3.2
?
?
?
?
2.8
2.9
30
2.0
3.3
6.0
6.0
50
4.0
2.95
3.05
100
40
3.4
20
15
?
20
3.1
3.2
150
100
V
mV
mV
m V
mV
V
V
mV
mA
Error Amp
Reference Voltage
V FB Input Current
Open Loop Gain
Unity Gain Bandwidth
COMP Sink Current
COMP Source Current
COMP High Voltage
COMP Low Voltage
PSRR
SS Clamp, V COMP
COMP Max Clamp
V FB = COMP
V FB = 1.2 V
Note 2
Note 2
COMP = 1.4 V, V FB = 1.45 V
COMP = 1.4 V, V FB = 1.15 V
V FB = 1.15 V
V FB = 1.45 V
Freq = 120 Hz. Note 2
SS = 1.4 V, V FB = 0 V, I SET = 2.0 V
Note 2
1.234
?
60
1.5
3.0
1.0
2.8
75
60
1.3
1.7
1.263
1.3
?
?
12
1.6
3.1
125
85
1.4
1.8
1.285
2.0
?
?
32
2.0
3.4
300
?
1.5
1.9
V
m A
dB
MHz
mA
mA
V
mV
dB
V
V
Oscillator
Frequency Accuracy
Voltage Stability
Temperature Stability
Max Frequency
Duty Cycle
Peak Voltage
Valley Clamp Voltage
Valley Voltage
Discharge Current
?
?
? 40 ° C < T J < 125 ° C. (Note 2)
Note 2
?
Note 2
?
Note 2
?
260
?
?
1.0
80
1.94
0.9
0.85
0.85
273
1.0
8.0
?
85
2.0
0.95
1.0
1.0
320
2.0
?
?
90
2.06
1.0
1.15
1.15
kHz
%
%
MHz
%
V
V
V
mA
Synchronization
Input Threshold
Output Pulse Width
Output High Voltage
Input Resistance
SYNC to Drive Delay
Output Drive Current
?
?
100 m A Load
?
Time from SYNC to GATE Shutdown
R SYNC = 1.0 W
0.9
200
2.1
35
100
1.0
1.4
320
2.5
70
140
1.5
1.8
450
2.8
140
180
2.25
V
ns
V
k W
ns
mA
2. Guaranteed by design, not 100% tested in production.
http://onsemi.com
4
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