SLCS005AF october 1979 – august 2023 LM193 , LM2903 , LM2903B , LM2903V , LM293 , LM293A , LM393 , LM393A , LM393B
PRODUCTION DATA
THERMAL METRIC(1) | LM293, LM393, LM2903 | UNIT | |||||
---|---|---|---|---|---|---|---|
D (SOIC) | DGK (VSSOP) | P (PDIP) | PS (SO) | PW (TSSOP) | |||
8 pin | 8 pin | 8 pin | 8 pin | 8 pin | |||
RθJA | Junction-to-ambient thermal resistance | 131.8 | 199.4 | 73.7 | 139 | 194.1 | °C/W |
RθJC(top) | Junction-to-case (top) thermal resistance | 78.4 | 90.2 | 62.6 | 98.9 | 77.0 | °C/W |
RθJB | Junction-to-board thermal resistance | 72.2 | 120.8 | 50.8 | 83.7 | 123.0 | °C/W |
ψJT | Junction-to-top characterization parameter | 26.5 | 21.5 | 39.2 | 47.4 | 13.1 | °C/W |
ψJB | Junction-to-board characterization parameter | 71.1 | 119.1 | 50.7 | 83 | 121.3 | °C/W |