NDS9948Electrical Characteristics (cont.) T = 25°C unless otherwise noted A SymbolParameterTestConditionsMinTypMaxUnitsDrain–Source Diode Characteristics and Maximum Ratings IS Maximum Continuous Drain–Source Diode Forward Current –1.7 A VSD Drain–Source Diode Forward VGS = 0 V, IS = –1.7 A(Note 2) –0.8 –1.2 V Voltage trr Reverse Recovery Time VGS = 0 V, IF = –2.3A, 25 nS dIF/dt = 100A/µs Notes:1. Rθ is the sum of the junction-to-case and case-to-ambient thermal resistance where the case thermal reference is defined as the solder mounting surface of JA the drain pins. Rθ is guaranteed by design while R is determined by the user's board design. ` JC θCA a) 78°C/W when b) 125°C/W when c) 135°C/W when mounted on a mounted on a mounted on a 0.5in2 pad of 2 0.02 in2 pad of minimum pad. oz copper 2 oz copper Scale 1 : 1 on letter size paper 2. Pulse Test: Pulse Width < 300µs, Duty Cycle < 2.0% NDS9948 Rev B1 (W)
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