NCP1217A(2004) 데이터 시트보기 (PDF) - ON Semiconductor
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NCP1217A
(Rev.:2004)
(Rev.:2004)
ON Semiconductor
NCP1217A Datasheet PDF : 18 Pages
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NCP1217, NCP1217A
ELECTRICAL CHARACTERISTICS (continued) (For typical values TJ = 25°C, for min/max values TJ = 0°C to +125°C,
Max TJ = 150°C, VCC = 11 V unless otherwise noted.)
Characteristic
Pin Symbol
Min
Typ
Max
Unit
FEEDBACK SECTION (VCC = 11 V, Pin 5 Loaded by 1.0 kW)
Internal Pull−Up Resistor
2
Rup
−
19
−
kW
Pin 2 (FB) to Internal Current Setpoint Division Ratio
−
Iratio
−
3.3
−
−
SKIP CYCLE GENERATION
Default Skip Mode Level
1
Vskip
0.93
1.1
1.26
V
Pin 1 Internal Output Impedance
1
Zout
−
27
−
kΩ
INTERNAL RAMP COMPENSATION
Internal Ramp Level @ 25°C (Note 3)
3
Vramp
2.6
2.9
3.2
V
Internal Ramp Resistance to CS Pin
3
Rramp
−
19
−
kΩ
ADJUSTMENT LATCHOFF LEVEL
Latching Level
1
Vlatch
2.69
3.10
3.42
V
3. A 1.0 MW resistor is connected to the ground for the measurement.
TYPICAL CHARACTERISTICS
80
14.0
70
13.5
60
13.0
50
40
12.5
30
12.0
20
11.5
10
0
−50
0
11.0
50
100
150
−50
0
50
100
150
TEMPERATURE (°C)
TEMPERATURE (°C)
Figure 3. High Voltage Pin Leakage Current vs.
Temperature
Figure 4. VCCOFF vs. Temperature
9.0
8.5
8.0
7.5
7.0
−50
0
50
100
150
TEMPERATURE (°C)
Figure 5. VCCMIN vs. Temperature
3.0
2.8
2.6
2.4
2.2
2.0
1.8
1.6
1.4
1.2
1.0
−50
133 kHz
100 kHz
65 kHz
0
50
100
150
TEMPERATURE (°C)
Figure 6. ICC 1.0 nF Load vs. Temperature
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