an8027 Panasonic Corporation of North America, an8027 Datasheet - Page 10
an8027
Manufacturer Part Number
an8027
Description
Ac-dc Switching Power Supply Control Ic With Standby Mode
Manufacturer
Panasonic Corporation of North America
Datasheet
1.AN8027.pdf
(28 pages)
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AN8027, AN8037
10
[1] Operation descriptions (continued)
Application Notes (continued)
1) Normal (RCC contiuous) operation mode
Control waveform timing chart
(D)Out pin voltage
(B)TR pin voltage
(A)Voltage on bias winding
(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
(B)
TR
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
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