ncp1239f ON Semiconductor, ncp1239f Datasheet - Page 2

• Manufacturer Part Number: ncp1239f
• Description: Lowstandby High Performance Pwm Controller
• Manufacturer: ON Semiconductor

Vbulk
Vbulk
+
Cbulk
+
Cbulk
OVP
OVP
REF5V
REF5V
Thermistor
Thermistor
NTC
NTC
Cbo
Cbo
Rbo2
Rbo2
REF5V (5V/10mA)
REF5V (5V/10mA)
Rbo1
Rbo1
BO
BO
to PFC_V
to PFC_V
Css
Css
Figure 2. NCP1239V Typical Application Example
Figure 1. NCP1239F Typical Application Example
CC
CC
Rt
Rt
http://onsemi.com
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
NCP1239V
NCP1239F
NCP1239
2
16
15
14
13
12
11
10
16
15
14
13
12
11
10
9
9
V
+
V
+
CC
CC
Rcomp
Rramp
Rramp
Rdmax
D3
D4
L2
GND
+
GND
GND
+
GND
V
V
out
out