R5972D

R5972D Up to 1.5 A step-down switching regulator for aerospace applications Datasheet - preliminary data – Advanced mold and frame designs for superior resilience in harsh environments (acceleration, EMI, thermal, humidity) – Extended screening capability on request Application SO-8  Dedicated to aerospace applications Features  General features – 1.5 A DC output current – Operating input voltage from 4 V to 36 V – 3.3 V / (± 2%) reference voltage – Large ambient temperature range: -40 °C to 125 °C – Output voltage adjustable from 1.235 V to VIN – Low dropout operation: 100% duty cycle – 250 kHz internally fixed frequency – Voltage feed-forward – Zero load current operation – Internal current limiting – Inhibit for zero current consumption – Protection against feedback disconnection – Thermal shutdown  Aerospace and defense features – Suitable for use in aerospace and defense applications – Dedicated traceability and part marking – Production parts approval documents available – Adapted extended life time and obsolescence management – Extended product change notification process – Designed and manufactured to meet subppm quality goals Description The R5972D is a step-down monolithic power switching regulator with a minimum switch current limit of 1.8 A so it is able to deliver up to 1.5 A DC current to the load depending on the application conditions. The output voltage can be set from 1.235 V to VIN. The device uses an internal P-channel DMOS transistor (with a typ...