1.5 A fixed-output LDO — dropout and headroom
The LP3965EMP-3.3 is a 1.5 A positive fixed-output LDO from Texas Instruments, delivering 3.3 V from a maximum input of 7 V.
Protection and control — built-in fault handling
Over-current, over-temperature, and short-circuit protection are integrated, so no external clamp or crowbar is needed for basic fault conditions. The Enable pin lets the system power down the regulator when the load is idle — useful for sequencing or reducing quiescent draw in a multi-rail design.
Package and temperature grade
Housed in the SOT-223-5 (TO-261-5 / TO-261AB) surface-mount package, this LDO fits a standard footprint shared by many medium-current regulators. The -40°C to 125°C operating range covers industrial and automotive ambient conditions — the tab is the thermal path; board copper area under it sets the effective RθJA.