參數(shù)資料
型號: AN8027
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): 10/28頁
文件大?。?/td> 301K
代理商: AN8027
AN8027, AN8037
Voltage Regulators
10
I
Application Notes (continued)
[1] Operation descriptions (continued)
3.
Control waveform timing chart
1) Normal (RCC contiuous) operation mode
(A)Voltage on bias winding
(B)TR pin voltage
(C)CF pin voltage
0 V
0 V
0 V
2.4 V
Off
On
On
Off
Off
Off
0 V
0 A
Current on
bias winding
Off
On
On
Off
Off
On
On
Off
Load
Heavy
Light
(D)Out pin voltage
V
FB
voltage
(E)Current
on primary
winding
(F)Current
on secondary
winding
V
CC
1.5 V
4 V
<Circuit diagram>
I
FB
correction
V
FB
; large
T
OFF(min)
; long
AN8027, AN8037
CLM
(D)
(G)
(A)
(E)
(F)
CF
TR
V
CC
Out
(C)
(B)
Input voltage correction
E
IN
; large
T
ON
; short
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