DPA423 Power Integrations, Inc., DPA423 Datasheet - Page 30

• Manufacturer Part Number: DPA423
• Description: Highly Integrated DC-DC Converter Ics For Distributed Power Architecturesthe Dpa-switch ic Family Introduces a Highly Integratedsolution For DC-DC Conversion Applications in The 16-75 Vdcinput Range.dpa-switch Uses The Same Proven Topology as Topswit
• Manufacturer: Power Integrations, Inc.

Typical Performance Characteristics (cont.)
30
DPA423-426
Figure 49. C
Figure 47 Output Characteristics.
10000
1000
L
4/04
100
20
18
16
14
12
10
8
6
4
2
0
10
0
0
Scaling Factors:
DPA423 = 0.18
DPA424 = 0.36
DPA425 = 0.72
DPA426 = 1.00
20
OSS
1
vs. DRAIN Voltage.
40
DRAIN Voltage (V)
Drain Voltage (V)
60
2
80 100 120 140 160
T
CASE
3
Scaling Factors:
= 25 °C
T
DPA423 = 0.18
DPA424 = 0.36
DPA425 = 0.72
DPA426 = 1.00
CASE
= 100 °C
4
5
Figure 48. On-resistance vs. Temperature.
In-Circuit Peak Drain Current Normalized to
Figure 50. Typical Switching Loss.
2.5
1.5
0.5
2.5
1.5
0.5
Nominal Device Internal Current Limit
2
1
0
2
1
0
-50 -25
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
Data taken from a typical
forward converter design.
0
Temperature (°C)
25
50
75
Scaling Factors:
DPA423 = 0.08
DPA424 = 0.20
DPA425 = 0.55
DPA426 = 1.00
100 125 150