AN8037 Panasonic Semiconductor, AN8037 Datasheet - Page 11
AN8037
Manufacturer Part Number
AN8037
Description
AC-DC switching power supply control IC with standby mode
Manufacturer
Panasonic Semiconductor
Datasheet
1.AN8037.pdf
(28 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
AN8037
Manufacturer:
PANASONIC/松下
Quantity:
20 000
Voltage Regulators
[1] Operation descriptions (continued)
Application Notes (continued)
(A)Voltage on bias winding
(B)TR pin voltage
(D)Out pin voltage
(C)CF pin voltage
Current on
bias winding
2) Standby (Intermittent) mode (for light loads)
Control waveform timing chart (continued)
<Circuit diagram>
V
FB
CLM
voltage
2.4 V
AN8027, AN8037
0 V
0 V
4 V
0 V
0 V
0 A
Off
Off
TR
(B)
CF
(C)
V
Out
(E)Current
on primary
winding
CC
(D)
On
On
Off
Off
T
only after CF pin
voltage reaches 4 V.
ON
(F)Current
on secondary
winding
(G)
is acceptable
(A)
(E)
T
OFF(min)
T
(OFF)
On
(F)
Off
Off
AN8027, AN8037
T
during T
ON
is unacceptable
OFF(min)
period.
11