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TOP243FN 数据表(PDF) 17 Page - Power Integrations, Inc.

部件名 TOP243FN
功能描述  TOPSwitch-GX Family Extended Power, Design Flexible, EcoSmart, Integrated Off-line Switcher
PDF  52 Pages
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制造商  POWERINT [Power Integrations, Inc.]
网页  http://www.powerint.com
标志 POWERINT - Power Integrations, Inc.

TOP243FN 数据表(HTML) 17 Page - Power Integrations, Inc.

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TOP242-250
17
M
12/04
X
DC
Input
Voltage
+
-
D
S
C
CONTROL
L
RIL
RLS
12 k
Ω
2 M
Ω
VUV = IUV x RLS
VOV = IOV x RLS
For RLS = 2 M
Ω
DCMAX@100 VDC = 78%
DCMAX@375 VDC = 38%
For RIL = 12 kΩ
ILIMIT = 69%
See Figure 54b for
other resistor values
(RIL) to select different
ILIMIT values
VUV = 100 VDC
VOV = 450 VDC
Typical Uses of LINE-SENSE (L) and EXTERNAL CURRENT LIMIT (X) Pins (cont.)
PI-2640-040501
DC
Input
Voltage
+
-
D
S
C
CONTROL
L
ON/OFF
47 k
Ω
QR can be an optocoupler
output or can be replaced by
a manual switch.
300 k
Ω
QR
Typical Uses of MULTI-FUNCTION (M) Pin
PI-2508-081199
DC
Input
Voltage
+
-
D
S
C
CONTROL
M
C
D
S
C
D
S
S
S
S
M
PI-2509-040501
DC
Input
Voltage
+
-
D
M
S
C
VUV = IUV x RLS
VOV = IOV x RLS
For RLS = 2 MΩ
VUV = 100 VDC
VOV = 450 VDC
DCMAX@100 VDC = 78%
DCMAX@375 VDC = 38%
CONTROL
RLS
2 M
Ω
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
Ω
22 k
Ω
CONTROL
PI-2516-040501
DC
Input
Voltage
+
-
D
M
S
C
VOV = IOV x RLS
For Values Shown
VOV = 450 VDC
CONTROL
RLS
1N4148
2 M
Ω
30 k
Ω
Figure 30. Three Terminal Operation (MULIT-FUNCTION Features
Disabled).
Figure 31. Line-Sensing for Undervoltage, Over-Voltage and Line
Feed-Forward.
Figure 32. Line-Sensing for Under-Voltage Only (Overvoltage
Disabled).
Figure 33. Line-Sensing for Overvoltage Only (Under-Voltage
Disabled). Maximum Duty Cycle Reduced at Low Line
and Further Rediction with Increasing Line Voltage.
Figure 28. Line-Sensing and Externally Set Current Limit.
Figure 29. Active-on Remote ON/OFF.



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