A Product Line of
Diodes Incorporated
ZXLD1374
Application Information (cont.)
Thermal Impedance
Below is shown the thermal impedance of the ZXLD1374EST20 on a High Effective Thermal Conductivity Test Board" according JESD51.
4
3.5
3
2.5
2
1.5
1
0.5
0
-40
-25
-10
5
20
35
50
65
80
95
110
Ambient temperature (°C)
Figure 45 Power Derating Curve
The power dissipation capability of the ZXLD1374 will vary on ambient temperature, effectiveness of any heat sinking, heat generated by
components around the ZXLD1374 (inductors, rectifiers, resistors etc) and air flow.
ZXLD1374
Document number: DS35032 Rev. 3 - 2
34 of 39
www.diodes.com
September 2012
? Diodes Incorporated
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