ncp1651 ON Semiconductor, ncp1651 Datasheet - Page 9

• Manufacturer Part Number: ncp1651
• Description: Single Stage Power Factor Controller
• Manufacturer: ON Semiconductor

100 k
1000
10 k
10.8
10.5
10.2
100
11.2
4.5
3.5
2.5
1.5
0.5
9.8
9.5
5
4
3
2
1
0
−50
0
1
−25
Figure 12. Reference Multiplier Gain
Figure 10. UVLO versus Temperature
Figure 14. C
1
0
FB/SD = 3.0 V
10
FREQUENCY (kHz)
TEMPERATURE ( C)
AC INPUT (V)
2
T
25
versus Frequency
(Test circuits are located in the document TND308/D)
50
3
100
Typical Performance Characteristics
75
2.5 V
TURN−OFF
TURN−ON
4
100
2.0 V
1.8 V
1.6 V
http://onsemi.com
1000
NCP1651
125
5
9
1000
4.40
4.35
4.30
4.25
4.20
4.15
4.10
4.05
4.00
3.95
100
1.0
0.5
1.5
10
0
1
0
1
0
Figure 11. FB/SD Clamp Voltage versus V
Figure 15. Ramp Peak versus Frequency
NOTE: Ramp Valley
Voltage is Zero for
All Frequencies
50
2
Figure 13. V
10
100
CHARGE TIME (ms)
4
FREQUENCY (kHz)
CC
V
CC
100
150
Cap Charge Time
6
(V)
200
8
1000
250
10
CC
10,000
300
12