ZHCSHU7J August 2005 – March 2021 PCA9555
PRODUCTION DATA
| THERMAL METRIC(1) | PCA9555 | UNIT | ||||||
|---|---|---|---|---|---|---|---|---|
| DB (SSOP) |
DBQ
(QSOP) |
DGV (TVSOP) |
DW (SOIC) |
PW (TSSOP) |
RGE (QFN) |
|||
| 24 PINS | 24 PINS | 24 PINS | 24 PINS | 24 PINS | 24 PINS | |||
| RθJA | Junction-to-ambient thermal resistance | 92.9 | 81.8 | 105.4 | 66.7 | 108.8 | 48.4 | °C/W |
| RθJC(top) | Junction-to-case (top) thermal resistance | 53.5 | 39.3 | 36.7 | 36.7 | 54 | 58.1 | °C/W |
| RθJB | Junction-to-board thermal resistance | 50.4 | 36.0 | 50.8 | 36.7 | 62.8 | 27.1 | °C/W |
| ψJT | Junction-to-top characterization parameter | 21.9 | 7.6 | 2.4 | 13.1 | 11.1 | 3.3 | °C/W |
| ψJB | Junction-to-board characterization parameter | 50.1 | 35.6 | 50.3 | 62.3 | 62.3 | 27.2 | °C/W |
| RθJC(bot) | Junction-to-case (bottom) thermal resistance | n/a | n/a | n/a | n/a | n/a | 15.3 | °C/W |