ZHCSXH5K December 2005 – December 2024 PCA9557
PRODUCTION DATA
| THERMAL METRIC(1) | PCA9557 | UNIT | ||||||
|---|---|---|---|---|---|---|---|---|
| D (SSOP) | DB (SSOP) | DGV (SSOP) | PW (SSOP) | RGV (VQFN) | RGY (VQFN) | |||
| 16 PINS | 16 PINS | 16 PINS | 16 PINS | 16 PINS | 16 PINS | |||
| RθJA | Junction-to-ambient thermal resistance | 77.2 | 82 | 120 | 98.0 | 44.5 | 47 | °C/W |
| RθJC(top) | Junction-to-case (top) thermal resistance | 40.0 | 30.7 | 40.1 | °C/W | |||
| RθJB | Junction-to-board thermal resistance | 39.2 | 52.7 | 20.2 | °C/W | |||
| ψJT | Junction-to-top characterization parameter | 6.5 | 1.0 | 0.9 | °C/W | |||
| ψJB | Junction-to-board characterization parameter | 38.8 | 52.1 | 20.2 | °C/W | |||
| RθJC(bot) | Junction-to-case (bottom) thermal resistance | N/A | N/A | 5.7 | °C/W | |||