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NCP1031DR2G

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21
NCP1030, NCP1031
http://onsemi.com
10
TYPICAL CHARACTERISTICS
Figure 22. Power Switch Circuit Output
Capacitance vs. Drain Voltage
C
OUT
, OUTPUT CAPACITANCE (pF)
Figure 23. Power Switch Circuit and Startup
Circuit Leakage Current vs. Drain Voltage
1000
10
100
Figure 24. NCP1030 Current Limit Threshold
vs. Junction Temperature
0 40 80 120 160 200
V
DRAIN
, DRAIN VOLTAGE (V)
40
35
30
0
5
10
15
25
20
I
DS(off)
, POWER SWITCH AND STARTUP
CIRCUITS LEAKAGE CURRENT (mA)
Figure 25. NCP1031 Current Limit Threshold
vs. Junction Temperature
0 50 100 150
V
DRAIN
, DRAIN VOLTAGE (V)
200 250 300
T
J
= −40°C
T
J
= 25°C
T
J
= 125°C
V
CC
= 12 V
NCP1030
NCP1031
600
575
550
525
350
375
500
475
400
I
LIM
, CURRENT LIMIT THRESHOLD (mA)
T
J
, JUNCTION TEMPERATURE (°C)
−50 −25 0 25 50 75
T
J
= 25°C
100 125 150
425
450
600
575
550
525
350
375
500
475
400
I
LIM
, CURRENT LIMIT THRESHOLD (mA)
CURRENT SLEW RATE (mA/mS)
375 400 425 450 475 500
425
450
Current Slew Rate = 500 mA/ms
Figure 26. NCP1030 Current Limit Threshold
vs. Current Slew Rate
Figure 27. NCP1031 Current Limit Threshold
vs. Current Slew Rate
1200
1150
1100
1050
700
750
1000
950
800
I
LIM
, CURRENT LIMIT THRESHOLD (mA)
T
J
, JUNCTION TEMPERATURE (°C)
−50 −25 0 25 50 75
T
J
= 25°C
100 125 150
850
900
1200
1150
1100
1050
700
750
1000
950
800
I
LIM
, CURRENT LIMIT THRESHOLD (mA)
CURRENT SLEW RATE (mA/mS)
750 800 850 900 950 1000
850
900
Current Slew Rate = 1 A/ms
NCP1030
NCP1030
NCP1031
NCP1031
NCP1030, NCP1031
http://onsemi.com
11
TYPICAL CHARACTERISTICS
Figure 28. Operating Supply Current vs.
Supply Voltage
Figure 29. Supply Current vs. Junction
Temperature
4.1
3.9
3.3
2.5
3.1
2.7
I
CC1
, OPERATING SUPPLY CURRENT (mA)
V
CC
, SUPPLY VOLTAGE (V)
Figure 30. Operating Supply Current vs.
Oscillator Frequency
10 11 12 13 14 15 16
2.9
V
DRAIN
= 48 V
T
J
= 25°C
C
T
= 560 pF
4.0
2.5
2.0
0
1.5
0.5
I
CC
, SUPPLY CURRENT (mA)
T
J
, JUNCTION TEMPERATURE (°C)
−50 −25 0 25 50 75 100
1.0
V
CC
= 12 V
C
T
= 560 pF
125 150
V
UV
= 3.0 V, V
FB
= 2.3 V
V
UV
= 3.0 V, V
FB
= 2.7 V
V
UV
= 2.0 V
3.0
3.7
3.5
3.5
10
7
6
2
5
3
I
CC
, POWER SUPPLY CURRENT (mA)
f
OSC
, OSCILLATOR FREQUENCY (kHz)
200 300 400 500 600 700 800
4
900 1000
T
J
= 25 °C
8
9
NCP1030
NCP1031
NCP1030, NCP1031
http://onsemi.com
12
Figure 31. Secondary Side Bias Supply Configuration
GND
COMP
+
V
in
−
V
BIAS
GND
SECONDARY
SIDE CONTROL
V
CC
V
DRAIN
UV
OV
C
T
V
FB
+
V
out
−
NCP103x
Figure 32. Boost Circuit Configuration
GND
COMP
V
out
V
CC
V
DRAIN
UV
OV
C
T
V
FB
+
V
in
−
+
−
NCP103x
V
CC
V
CC
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21

NCP1031DR2G

Mfr. #:
Buy NCP1031DR2G
Manufacturer:
ON Semiconductor
Description:
Switching Voltage Regulators Bias Regulator w/On Chip Power
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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