Supervisor with 4.55 V threshold and push-pull output
The Texas Instruments TPS3705-50DGN is a single-channel Simple Reset/Power-On Reset supervisor that monitors a 4.55 V threshold and asserts an Active Low reset signal.
The reset timeout is 140 ms minimum, which gives the downstream processor enough time to stabilize after the supply crosses the threshold before releasing the reset. This is a fixed, non-adjustable delay — the system designer budgets this into the power-up sequence. The 8-HVSSOP package with exposed pad improves thermal conduction to the PCB for applications near the upper temperature limit.
Package and footprint: 8-MSOP with exposed pad
The TPS3705-50DGN is supplied in an 8-TSSOP, 8-MSOP (0.118", 3.00 mm Width) exposed pad package, also designated as 8-HVSSOP. It is a surface-mount device shipped in tube packaging. The base product number is TPS3705, so the same footprint supports other threshold options in the family with a BOM change only to the order code.