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TPS40345: Recommended operating temperature vs. max operating temperature

Part Number: TPS40345
Other Parts Discussed in Thread: TPS40305,

The TPS40345 has a recommended operating condition down to -20C. The TPS40305 has recommended operating conditions down to -40C. The max ratings for both junctions are -40C.

Will the TPS40345 be fine starting from cold without any abnormal behavior, the operating curves are only defined starting from -20C?

The operating curves and block diagram for the TPS40345 are almost identical to the TPS40305.