NCP1382 ON Semiconductor, NCP1382 Datasheet - Page 18

• Manufacturer Part Number: NCP1382
• Description: Quasi Resonant Current Mode Controller Featuring Pfc Go To Standby Function
• Manufacturer: ON Semiconductor

During the startup sequence, the PFC is disabled (in short-circuits too) and runs as soon as the I
detected, the timer runs and confirms the standby mode. When the mode is left, there is no delay and the PFC is turned-on immediately.
Ext, SIgnal
(FB, AUX)
Figure 27. The SW Switch is Turned Off After the Timer Confirms the Presence of a Standby
R
hyst
ADJ_GTS
V
+
DD
250 mV
5 mA
+
-
NCP1381, NCP1382
http://onsemi.com
Figure 28.
18
+
-
P
Flag goes down. When the standby is
+
V
DD
Timer
V
GTS
CC
To PFC
V
CC
CV
CC