SNLS313I September 2009 – October 2019 DS90UR905Q-Q1 , DS90UR906Q-Q1
PRODUCTION DATA.
THERMAL METRIC(1) | DS90UR905Q-Q1 | DS90UR906Q-Q1 | UNIT | |
---|---|---|---|---|
RHS (WQFN) | NKB (WQFN) | |||
48 PINS | 60 PINS | |||
RθJA | Junction-to-ambient thermal resistance(2) | 30.3 | 26.9 | °C/W |
RθJC(top) | Junction-to-case (top) thermal resistance(2) | 11.5 | 9.1 | °C/W |
RθJB | Junction-to-board thermal resistance | 7.3 | 6.0 | °C/W |
ψJT | Junction-to-top characterization parameter | 0.1 | 0.1 | °C/W |
ψJB | Junction-to-board characterization parameter | 7.3 | 6.0 | °C/W |
RθJC(bot) | Junction-to-case (bottom) thermal resistance | 2.7 | 1.5 | °C/W |