DPA424 Power Integrations, Inc., DPA424 Datasheet - Page 28

• Manufacturer Part Number: DPA424
• Description: Highly Integrated DC-DC Converter Ics For Distributed Power Architectures
• Manufacturer: Power Integrations, Inc.

Typical Performance Characteristics (cont.)
28
DPA423-426
Figure 41. Max. Duty Cycle Reduction Onset Threshold
Figure 39. EXTERNAL CURRENT LIMIT Pin Voltage
EXTERNAL CURRENT LIMIT Pin Current (µA)
J
5/03
Figure 43. Remote OFF DRAIN Supply Current
1.2
1.0
0.8
0.6
0.4
0.2
0
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
-250
0
0
-50 -25
-50 -20
Current vs. Temperature.
-225
vs. Current.
V
-200 µA
X
Junction Temperature (°C)
Junction Temperature (°C)
vs. Temperature.
-200
= 1.375 - I
0
0
-175
≤
I
X
-150
25
25
≤
X
-25 µA
x 843 kΩ
-125
50
50
-100
75 100 125 150
75 100 125 150
-75
-50
-25
0
Figure 44. Breakdown Voltage vs. Temperature.
Figure 42. I
Figure 40. Control Current at Minimum Duty Cycle vs.
1.2
1.0
0.8
0.6
0.4
0.2
1.1
1.0
0.9
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
0
1.0
0.5
0.0
-50 -25
-50 -25
0
V
C
= 5 V
Temperature.
Junction Temperature (°C)
Junction Temperature (°C)
C
10
vs. DRAIN Voltage.
0
DRAIN Voltage (V)
0
20
25
25
50
30
50
75 100 125 150
75 100 125 150
40
50
60