SLUS224G September 1994 – July 2022 UC1842A , UC1843A , UC1844A , UC1845A , UC2842A , UC2843A , UC2844A , UC2845A , UC3842A , UC3843A , UC3844A , UC3845A
PRODUCTION DATA
THERMAL METRIC(1) | UC184xA | UC2843A | UC284xA, UC384xA | UNIT | |||||
---|---|---|---|---|---|---|---|---|---|
JG (CDIP) | FK (LCCC) | FN (PLCC) | P (PDIP) | D (SOIC) | D (SOIC) | DW (SOIC) | |||
8 PINS | 20 PINS | 20 PINS | 8 PINS | 8 PINS | 14 PINS | 16 PINS | |||
RθJA | Junction-to-ambient thermal resistance | — | — | 56.7 | 53.4 | 104.3 | 77.9 | 73.6 | °C/W |
RθJC(top) | Junction-to-case (top) thermal resistance | 64 | 36.2 | 34.6 | 46.4 | 46.8 | 35.8 | 35 | °C/W |
RθJB | Junction-to-board thermal resistance | 92.5 | 35.4 | 21.8 | 30.7 | 45.3 | 32.5 | 38.4 | °C/W |
ψJT | Junction-to-top characterization parameter | — | — | 10.4 | 16.8 | 6 | 6.6 | 9.7 | °C/W |
ψJB | Junction-to-board characterization parameter | — | — | 21.5 | 30.6 | 44.6 | 32.2 | 37.8 | °C/W |
RθJC(bot) | Junction-to-case (bottom) thermal resistance | 15.1 | 4.1 | — | — | — | — | — | °C/W |