NCP1601A Ver la hoja de datos (PDF) - ON Semiconductor
Número de pieza
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NCP1601A Datasheet PDF : 18 Pages
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NCP1601A, NCP1601B
ELECTRICAL CHARACTERISTICS (For typical values TJ = 25°C. For min/max values, TJ = −40°C to +125°C, VCC = 15 V,
Vcontrol = 100 nF, Ramp = 100 pF, Osc = 220 pF unless otherwise specified)
Characteristic
Pin Symbol
Min
Typ
Max
SUPPLY SECTION
Startup Threshold (UVLO) – NCP1601A
Startup Threshold (UVLO) – NCP1601B
Minimum Voltage for Operation After Turn−On
UVLO Hysteresis – NCP1601A
UVLO Hysteresis – NCP1601B
Power Supply Current:
Startup (VCC = VCC(on) – 0.2 V)
Operating (VCC = 15 V, Drv = open, Osc = 220 pF)
Operating (VCC = 15 V, Drv = 1 nF to GND, Osc = 220 pF)
Shutdown (VCC = 15 V, IFB = 0 A)
8
VCC(on)
8
VCC(off)
8
VCC(H)
8
Istup
ICC1
ICC2
Istdn
12.5
13.75
15
9.6
10.5
11.4
8.25
9
9.75
4
4.75
−
1
1.5
−
−
17
40
−
2.7
5
−
3.7
5
−
24
50
Unit
V
V
V
V
V
mA
mA
mA
mA
TYPICAL CHARACTERISTICS
60
59
58
57
56
55
54
53
52
51
50
−50 −25 0
COSC = 220 pF
25 50 75 100 125
TJ, JUNCTION TEMPERATURE (°C)
Figure 3. Oscillator Frequency vs. Temperature
51
50
Iodch osc pin = 5.5 V
49
48
47
46
Ioch osc pin = 3 V
45
44
−50 −25 0
25 50 75 100 125
TJ, JUNCTION TEMPERATURE (°C)
Figure 4. Oscillator Charge and Discharge
Current vs. Temperature
5.5
Vsync(H)
5.0
4.5
COSC = 220 pF
4.0
Vsync(L)
3.5
3
−50 −25 0
25 50 75 100 125
TJ, JUNCTION TEMPERATURE (°C)
Figure 5. Oscillator Comparator Thresholds
vs. Temperature
18
16
ROH
14
12
10
8
ROL
6
4
2
0
−50 −25 0
25 50 75 100 125
TJ, JUNCTION TEMPERATURE (°C)
Figure 6. Drive Output Resistance vs.
Temperature
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