NCP1215A ON Semiconductor, NCP1215A Datasheet - Page 2

• Manufacturer Part Number: NCP1215A
• Description: Low Cost Variable OFF Time Switched Mode Power Supply Controller
• Manufacturer: ON Semiconductor

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