TOP243G Power Integrations, TOP243G Datasheet - Page 19

• Manufacturer Part Number: TOP243G
• Description: IC OFFLINE SWIT OVP UVLO HV 8SMD
• Manufacturer: Power Integrations
• Series: TOPSwitch®-GXr

Specifications of TOP243G

• Output Isolation: Isolated
• Frequency Range: 66 ~ 132kHz
• Voltage - Output: 700V
• Power (watts): 25W
• Operating Temperature: -40°C ~ 150°C
• Package / Case: 8-SMD Gull Wing, 7 Leads
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Figure 32. Line Sensing for Under-Voltage Only (Overvoltage
Figure 30. Three Terminal Operation (MULTI-FUNCTION
Figure 34. Externally Set Current Limit.
Typical Uses of MULTI-FUNCTION (M) Pin
Voltage
Voltage
Voltage
Input
Input
Input
DC
DC
DC
+
+
+
Disabled).
-
-
Features Disabled).
-
6.2 V
R
IL
D
S
D
S
D
S
CONTROL
CONTROL
CONTROL
M
M
M
2 M
22 k
C
C
C
R
LS
For R
See fig. 55 for other
resistor values (R
For R
to select different
I
C
LIMIT
For Value Shown
I
D
V
V
I
C
D
LIMIT
LIMIT
values
IL
IL
UV
UV
= 12 k
= 25 k
S
= R
= 100 VDC
= 69%
= 43%
PI-2510-040501
PI-2517-040501
PI-2508-081199
S
S
LS
x I
M
S
IL
UV
)
S
Figure 31. Line Sensing for Undervoltage, Over-Voltage and
Figure 33. Line Sensing for Overvoltage Only (Under-Voltage
Figure 35. Current Limit Reduction with Line Voltage.
Voltage
Voltage
Voltage
Input
Input
Input
DC
DC
DC
+
+
+
Disabled). Maximum Duty Cycle will be reduced at
Low Line.
Line Feed Forward.
-
-
-
R
R
LS
IL
6 k
2.5 M
R
LS
D
D
S
S
30 k
2 M
D
S
R
CONTROL
CONTROL
LS
CONTROL
M
M
2 M
M
I
I
LIMIT
LIMIT
C
C
TOP242-250
For R
DC
DC
C
=
=
V
V
V
V
1N4148
MAX
MAX
UV
OV
UV
OV
100% @ 100 VDC
63% @ 300 VDC
For Values Shown
LS
V
V
= I
= I
= 100 VDC
= 450 VDC
@100 VDC = 78%
@375 VDC = 38%
OV
OV
= 2 M
OV
UV
= 450 VDC
= I
x R
x R
PI-2516-040501
PI-2518-040501
PI-2509-040501
OV
1/02
LS
LS
G
x R
LS
19