ncp1562a ON Semiconductor, ncp1562a Datasheet - Page 12

• Manufacturer Part Number: ncp1562a
• Description: High Performance Active Clamp/reset Pwm Controller
• Manufacturer: ON Semiconductor

3.5
3.4
3.3
3.2
3.1
3.0
2.9
2.8
2.7
2.6
2.5
10
150
130
120
100
140
110
9
8
7
6
5
4
3
2
1
0
90
80
70
60
50
-50
-50
-50
V
V
V
Figure 20. Cycle Skip Voltage Thresholds
CC
UVOV
REF
-25
-25
-25
Figure 18. Cycle Skip Charge Current
= 12 V
Figure 22. V
= 2.5 V
T
T
= 0 V
J
T
J
, JUNCTION TEMPERATURE (°C)
, JUNCTION TEMPERATURE (°C)
J
0
0
vs. Junction Temperature
, JUNCTION TEMPERATURE (°C)
vs. Junction Temperature
0
vs. Junction Temperature
UPPER THRESHOLD
LOWER THRESHOLD
25
25
25
REF
50
50
Discharge Current
50
75
75
75
V
CSKIP
100
100
100
= 1.25 V
NCP1562A, NCP1562B
125
125
125
http://onsemi.com
150
150
150
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
12
750
700
650
600
550
500
450
400
350
300
250
200
5.25
5.20
5.15
5.10
5.05
5.00
4.95
4.90
4.85
4.80
4.75
15
14
13
12
11
10
9
8
7
6
5
-50
-50
-50
Figure 19. Cycle Skip Discharge Current
-25
-25
-25
Figure 23. Oscillator Frequency
T
T
T
J
Figure 21. Reference Voltage
J
, JUNCTION TEMPERATURE (°C)
J
, JUNCTION TEMPERATURE (°C)
vs. Junction Temperature
vs. Junction Temperature
0
, JUNCTION TEMPERATURE (°C)
vs. Junction Temperature
0
0
C
C
C
V
V
25
25
T
T
T
REF
REF
25
= 220 pF
= 470 pF
= 150 pF
= 0 mA
= 5 mA
50
50
50
75
75
V
75
CSKIP
V
R
R
100
V
100
AUX
T
D
100
= 1.25 V
AUX
= 14 kW
= 69.8 kW
= 12 V
= 12 V
125
125
125
150
150
150