NCP1215
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
m
A
12.5−50
m
A
CS
+
−
GND
Current Sense Comparator
Reset
Set
Q
Q
Reference
Regulator
V
DD
I
ref
−
+
Undervoltage
Lockout
12/8.5 V
Gate
V
CC
Gate Driver
