參數(shù)資料
型號(hào): TOP245FN-TL
廠商: POWER INTEGRATIONS INC
元件分類: 穩(wěn)壓器
英文描述: 2.88 A SWITCHING REGULATOR, 140 kHz SWITCHING FREQ-MAX, PZIP6
封裝: LEAD FREE, PLASTIC, TO-262, 7/6 PIN
文件頁(yè)數(shù): 6/52頁(yè)
文件大小: 2175K
代理商: TOP245FN-TL
TOP242-250
N
4/05
14
Typical Uses of FREQUENCY (F) PIN
PI-2654-071700
DC
Input
Voltage
+
-
D
S
C
CONTROL
F
PI-2655-071700
DC
Input
Voltage
+
-
D
S
C
CONTROL
F
PI-2656-040501
DC
Input
Voltage
+
-
D
S
C
STANDBY
QS can be an optocoupler output.
CONTROL
F
20 k
RHF
1 nF
QS
47 k
Figure 13. Full Frequency Operation (132 kHz).
Figure 14. Half Frequency Operation (66 kHz).
Figure 15. Half Frequency Standby Mode (For High Standby
Efciency).
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