參數(shù)資料
型號： TOP250YN-TL
廠商： POWER INTEGRATIONS INC
元件分類： 穩(wěn)壓器
英文描述： 10.08 A SWITCHING REGULATOR, 140 kHz SWITCHING FREQ-MAX, PZFM6
封裝： LEAD FREE, PLASTIC, TO-220, 7 PIN
文件頁數(shù)： 7/52頁
文件大?。?/td> 2175K
代理商： TOP250YN-TL
TOP242-250
15
M
12/04
Typical Uses of LINE-SENSE (L) and EXTERNAL CURRENT LIMIT (X) Pins
X
F
PI-2617-050100
DC
Input
Voltage
+
-
D
C S
D
S
C
CONTROL
L
C L X S F
D
PI-2618-081403
DC
Input
Voltage
+
-
D
S
C
CONTROL
L
2 M
RLS
VUV = IUV x RLS
VOV = IOV x RLS
For RLS = 2 M
VUV = 100 VDC
VOV = 450 VDC
DCMAX@100 VDC = 78%
DCMAX@375 VDC = 38%
PI-2510-040501
DC
Input
Voltage
+
-
D
M
S
C
VUV = RLS x IUV
For Value Shown
VUV = 100 VDC
RLS
6.2 V
2 M
22 k
CONTROL
PI-2620-040501
DC
Input
Voltage
+
-
D
S
C
CONTROL
L
2 M
30 k
RLS
1N4148
VOV = IOV x RLS
For Values Shown
VOV = 450 VDC
X
PI-2623-092303
DC
Input
Voltage
+
-
D
S
C
RIL
For RIL = 12 k
ILIMIT = 69%
See Figure 54b for
other resistor values
(RIL)
For RIL = 25 k
ILIMIT = 43%
CONTROL
X
PI-2624-040501
DC
Input
Voltage
+
-
D
S
C
2.5 M
RLS
6 k
RIL
100% @ 100 VDC
63% @ 300 VDC
ILIMIT =
CONTROL
Figure 16. Three Terminal Operation (LINE-SENSE and
EXTERNAL CURRENT LIMIT Features Disabled.
FREQUENCY Pin Tied to SOURCE or CONTROL Pin).
Figure 17. Line-Sensing for Under-Voltage, Overvoltage and Line
Feed-Forward.
Figure 20. Externally Set Current Limit.
Figure 21. Current Limit Reduction with Line Voltage.
Figure 18. Line-Sensing for Under-Voltage Only (Overvoltage
Disabled).
Figure 19. Linse-Sensing for Overvoltage Only (Under-Voltage
Disabled). Maximum Duty Cycle Reduced at Low Line
and Further Reduction with Increasing Line Voltage.
相關PDF資料
PDF描述
TOP244RN-TL 2.16 A SWITCHING REGULATOR, 140 kHz SWITCHING FREQ-MAX, PSSO6
TOP244Y-TL 2.16 A SWITCHING REGULATOR, 140 kHz SWITCHING FREQ-MAX, PZFM6
TOP246Y-TL 4.32 A SWITCHING REGULATOR, 140 kHz SWITCHING FREQ-MAX, PZFM6
TOP245YN-TL 2.88 A SWITCHING REGULATOR, 140 kHz SWITCHING FREQ-MAX, PZFM6
TOP247Y-TL 5.76 A SWITCHING REGULATOR, 140 kHz SWITCHING FREQ-MAX, PZFM6
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