參數(shù)資料
型號(hào)： AN8037
廠商： PANASONIC CORP
元件分類： 穩(wěn)壓器
英文描述： AC-DC switching power supply control IC with standby mode
中文描述： 1 A SWITCHING CONTROLLER, 80 kHz SWITCHING FREQ-MAX, PSIP9
封裝： PLASTIC, SIP-9
文件頁數(shù)： 11/28頁
文件大小： 301K
代理商： AN8037
11
Voltage Regulators
AN8027, AN8037
I
Application Notes (continued)
[1] Operation descriptions (continued)
3.
Control waveform timing chart (continued)
2) Standby (Intermittent) mode (for light loads)
(A)Voltage on bias winding
(B)TR pin voltage
(C)CF pin voltage
0 V
0 V
T
OFF(min)
T
(OFF)
0 V
2.4 V
Off
On
Off
Off
0 V
0 A
Off
On
Off
On
Off
(D)Out pin voltage
V
FB
voltage
(E)Current
on primary
winding
4 V
T
is acceptable
only after CF pin
voltage reaches 4 V.
T
is unacceptable
during T
OFF(min)
period.
<Circuit diagram>
AN8027, AN8037
CLM
(D)
(G)
(A)
(E)
(F)
CF
TR
V
CC
Out
(C)
(B)
Current on
bias winding
(F)Current
on secondary
winding
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