ncp1338 ON Semiconductor, ncp1338 Datasheet - Page 13

• Manufacturer Part Number: ncp1338
• Description: Pwm Current-mode Controller For Free Running Quasi-resonant Operation
• Manufacturer: ON Semiconductor

V
in
3.3 meg
11 k
Rhyst
Figure 8. Internal Implementation of BO Pin
BO
http://onsemi.com
NCP1338
13
500 mV
5 V
3 V
Vdd
+
+
+
10 mA current source activated
when V
+
+
+
-
-
-
BOK
is high
Permanent Latch
Enable
BOK