AN8037 Panasonic Semiconductor, AN8037 Datasheet - Page 12

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

AN8027, AN8037
12
[1] Operation descriptions (continued)
Application Notes (continued)
(D)Out pin voltage
(A)Voltage on bias winding
(H)CLM pin voltage
(B)TR pin voltage
(E) Current on primary
winding
3) Pulse-by-pulse overcurrent protection (CLM) operation
(C)CF pin voltage
Control waveform timing chart (continued)
<Circuit diagram>
V
V
CC
FB
CLM
CLM threshold voltage
voltage
AN8027, AN8037
0.2 V
2.4 V
1.5 V
0 V
0 V
0 A
0 V
4 V
0 V
0 A
TR
(B)
CF
Off
Off
(C)
V
Out
CC
On
On
(D)
Off
Off
On
On
(G)
(A)
Off
Off
(E)
On
On
(F)
Off
Off
Voltage Regulators
On
On
Off
Off