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Page 8 of 13
IRAUDAMP17 REV
1.1
Efficiency
0.0%
20.0%
40.0%
60.0%
80.0%
100.0%
0
20
40
60
80
100
120
Power (W)
E
ff
ici
ency
Thermal Information:
1/8 Po Thermal Test
Conditions:
Tamb=25°C natural convection cooling
Both Channel Driven 1/8Po continuous 30mins
Temperature measured by infrared camera
Fig 8 IRAUDAMP17 with heatsink (Vbus=52V)
IR4302’s temperature saturated around 85°C within 30minutes
Fig 9 IRAUDAMP17 without heatsink (Vbus=42V)
IR4302’s temperature saturated around 82°C within 30minutes
Fig 7
*Tested with heatsink
