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NCP1239 Datasheet(PDF) 2 Page - ON Semiconductor

Part No. NCP1239
Description  Low−Standby High Performance PWM Controller
Download  38 Pages
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Maker  ONSEMI [ON Semiconductor]
Homepage  http://www.onsemi.com
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NCP1239 Datasheet(HTML) 2 Page - ON Semiconductor

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


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