SLUS223G April 1997 – July 2022 UC1842 , UC1843 , UC1844 , UC1845 , UC2842 , UC2843 , UC2844 , UC2845 , UC3842 , UC3843 , UC3844 , UC3845
PRODUCTION DATA
THERMAL METRIC(1) | UCx84x | UNIT | ||||
---|---|---|---|---|---|---|
D (SOIC) | D (SOIC) | P (PDIP) | FK (LCCC) | |||
8 PINS | 14 PINS | 8 PINS | 20 PINS | |||
RθJA | Junction-to-ambient thermal resistance | 104.8 | 78.2 | 53.7 | — | °C/W |
RθJC(top) | Junction-to-case (top) thermal resistance | 47.3 | 37.1 | 46.7 | 36.2 | °C/W |
RθJB | Junction-to-board thermal resistance | 45.9 | 32.6 | 31 | 35.4 | °C/W |
ψJT | Junction-to-top characterization parameter | 8.2 | 7.3 | 17.1 | — | °C/W |
ψJB | Junction-to-bottom characterization parameter | 45.2 | 32.4 | 30.9 | — | °C/W |
RθJC(bottom) | Junction-to-case (bottom) thermal resistance | — | — | — | 4.1 | °C/W |