TOP249Y Power Integrations, TOP249Y Datasheet - Page 44

• Manufacturer Part Number: TOP249Y
• Description: IC OFFLINE SWIT UVLO HV TO220
• Manufacturer: Power Integrations
• Series: TOPSwitch®-GXr

Specifications of TOP249Y

• Output Isolation: Isolated
• Frequency Range: 66 ~ 132kHz
• Voltage - Output: 700V
• Power (watts): 250W
• Operating Temperature: -40°C ~ 150°C
• Package / Case: TO-220-7 (Formed Leads), 5 Leads
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Typical Performance Characteristics (cont.)
44
TOP242-250
O
11/05
Figure 63a. LINE-SENSE Pin Voltage vs. Current.
Figure 64a. MULTI-FUNCTION Pin Voltage vs. Current.
Figure 65. Control Current Out at 0% Duty Cycle
1.2
1.0
0.8
0.6
0.4
0.2
6.0
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
0
6
5
4
3
2
1
0
MULTI-FUNCTION Pin Current (µA)
-300 -200 -100 0
-50 -25
0
LINE-SENSE Pin Current (µA)
vs. Temperaure.
Junction Temperature (°C)
100
0
25
200
100 200 300 400 500
50
See
Expanded
Version
75 100 125 150
300
400
Figure 63b. EXTERNAL CURRENT LIMIT Pin Voltage
Figure 64b. MULTI-FUNCTION Pin Voltage vs. Current
Figure 66. Max. Duty Cycle Reduction Onset Threshold
EXTERNAL CURRENT LIMIT Pin Current (µA)
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
1.2
1.0
0.8
0.6
0.4
0.2
0
0
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
-300
0
-50 -25
MULTI-FUNCTION Pin Current (µA)
Current vs. Temperature.
vs. Current.
(Expanded).
-240
V
-200 µA
V
-200 µA
-250
Junction Temperature (°C)
X
M
= 1.33 - I
= 1.37 - I
0
≤
-180
-200 -150
≤
I
X
I
25
M
≤
X
≤
M
x 0.66 kΩ
-25 µA
x 1 kΩ
-25 µA
50
-120
75 100 125 150
-100
-60
-50
0
0