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| TB6674PG Datasheet, PDF (9/21 Pages) Toshiba Semiconductor – TOSHIBA BiCD Integrated Circuit Silicon Monolithic | |||
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TB6674PG/FG/FAG
Thermal Shutdown Circuit (TSD)
The TB6674 incorporates a thermal shutdown circuit. If the junction temperature (Tj) exceeds 160°C
(design target only), all the outputs are tuned offï¼Hi-Zï¼.
It recovers automatically at 140â. It has a hysteresis width of 20â.
TSD = 160°C (design target only)
< TSD operation >
160°C (typ.)
Chip temperature
140°C (typ.)
H
Internal TSD signal
L
TSD operation
H
Output terminal
L
Normal operation
OFFï¼Hi-Zï¼
9
Ver.3 2010-07-07
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