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ASSR-1510-003E Datasheet(PDF) 10 Page - AVAGO TECHNOLOGIES LIMITED |
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ASSR-1510-003E Datasheet(HTML) 10 Page - AVAGO TECHNOLOGIES LIMITED |
10 / 15 page 10 Applications Information On-Resistance and Derating Curves The Output On-Resistance, R(ON), specified in this data sheet, is the resistance measured across the output contact when a pulsed current signal (Io=1A) is applied to the output pins. The use of a pulsed signal (≤ 30ms) implies that each junction temperature is equal to the ambient and case temperatures. The steady-state resistance, Rss, on the other hand, is the value of the resistance measured across the output contact when a DC current signal is applied to the output pins for a duration sufficient to reach thermal equilibrium. Rss includes the effects of the temperature rise in the device. Figure 1. Maximum Output Current Rating vs Ambient Temperature (ASSR-1510-003E) Figure 2. Maximum Output Current Rating vs Ambient Temperature (ASSR-1511-001E) Derating curves are shown in Figures 1, 2, 3 and 4, specifying the maximum output current allowable for a given ambient temperature. The maximum allowable output current and power dissipation are related by the expression Rss=Po(max)/(Io(max))2 from which Rss can be calculated. Staying within the safe area assures that the steady state MOSFET junction temperature remains less than 125°C. Turn On Time and Turn Off Time Variation The ASSR-15xx Series exhibits a very fast turn on and turn off time. Both the turn on and turn off time can be adjusted by choosing proper forward current as depicted in Figures 12 and 14. The changes of the turn on and turn off time with ambient temperature are also shown in Figures 13 and 15. Figure 3. Maximum Output Current Rating vs Ambient Temperature (ASSR-1511-001E DC Connection) Figure 4. Maximum Output Current Rating vs Ambient Temperature (ASSR-1520-002E and ASSR-1530-005E) 0 0.5 1 1.5 2 -40 -20 0 20 40 60 80 100 TA - TEMPERATURE - °C Safe Operating Area IF = 10mA, 4-Layer Board 0 0.2 0.4 0.6 0.8 1 -40 -20 0 20 40 60 80 100 TA - TEMPERATURE - °C Safe Operating Area IF = 10mA, 4-Layer Board 0 0.2 0.4 0.6 0.8 1 -40 -20 0 20 40 60 80 100 TA - TEMPERATURE - °C IF = 10mA, 4-Layer Board 0 0.2 0.4 0.6 0.8 1.0 -40 -20 0 20 40 60 80 100 TA - TEMPERATURE - °C IF = 10mA, 4-Layer Board 1-Channel Safe Operating Area 2-Channel Safe Operating Area |
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