AN8037 Panasonic Semiconductor, AN8037 Datasheet - Page 10

• Manufacturer Part Number: AN8037
• Description: AC-DC switching power supply control IC with standby mode
• Manufacturer: Panasonic Semiconductor

AN8027, AN8037
10
[1] Operation descriptions (continued)
Application Notes (continued)
1) Normal (RCC contiuous) operation mode
Control waveform timing chart
(D)Out pin voltage
(A)Voltage on bias winding
(B)TR pin voltage
(C)CF pin voltage
Current on
bias winding
<Circuit diagram>
V
CC
CLM
2.4 V
1.5 V
(F)Current
on secondary
winding
AN8027, AN8037
0 V
0 V
4 V
0 V
0 V
0 A
Heavy
Off
Off
TR
(B)
CF
(C)
(E)Current
on primary
winding
V
Input voltage correction
E
T
Out
IN
ON
CC
On
On
; large
; short
(D)
Off
Off
Load
(G)
On
On
(A)
(E)
Off
Off
(F)
Voltage Regulators
On
On
I
V
T
FB
Off
OFF(min)
Off
FB
Light
correction
; large
V
FB
; long
voltage