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NCP1215A Datasheet(PDF) 2 Page - ON Semiconductor

Part No. NCP1215A
Description  Low Cost Variable OFF Time Switched Mode Power Supply Controller
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Maker  ONSEMI [ON Semiconductor]
Homepage  http://www.onsemi.com
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NCP1215A Datasheet(HTML) 2 Page - ON Semiconductor

 
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NCP1215A
http://onsemi.com
2
Figure 1. Typical Application
Line
Line
N
+
FB
GND
CT
CS
Gate
VCC
NC
NC
+
+
+
*
* If your application requires a gate−source resistor, please refer to design guidelines in this document.
Figure 2. Representative Block Diagram
Feedback Loop
Control
+
FB
+
OFF Time
Comparator
CT
Voffset
0−7 V
10
mA
12.5−50
mA
CS
+
GND
Current Sense Comparator
Reset
Set
Q
Q
Reference
Regulator
VDD
Iref
+
Undervoltage
Lockout
12/8.5 V
Gate
VCC
Gate Driver


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