SLUS224H September 1994 – October 2024 UC1842A , UC1843A , UC1844A , UC1845A , UC2842A , UC2843A , UC2844A , UC2845A , UC3842A , UC3842M , 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 | 74.1 | 117.4 | 87.9 | 73.6 | °C/W |
RθJC(top) | Junction-to-case (top) thermal resistance | 64 | 36.2 | 34.6 | 63.4 | 51.5 | 42.2 | 35 | °C/W |
RθJB | Junction-to-board thermal resistance | 92.5 | 35.4 | 21.8 | 50.5 | 61 | 44.7 | 38.4 | °C/W |
ψJT | Junction-to-top characterization parameter | — | — | 10.4 | 34.6 | 7.8 | 8.8 | 9.7 | °C/W |
ψJB | Junction-to-board characterization parameter | — | — | 21.5 | 49.2 | 60.2 | 44.3 | 37.8 | °C/W |
RθJC(bot) | Junction-to-case (bottom) thermal resistance | 15.1 | 4.1 | — | — | — | — | — | °C/W |