Two automotive-grade LDO regulators are compact and efficient

AEC-Q100-qualified devices, the BUxxJA2MNVX-C and BD7xxLx have been added to the LDO portfolio by Rohm Semiconductor.

The former is claimed to be the world’s smallest automotive-grade LDO regulator, and the BD7xxLx series is claimed to have unmatched quiescent current features.

The BD7xxLx series, together with the BD4xxMx series, is optimised for applications which are connected to the battery and which require an extreme low quiescent current. The wide input voltage range (up to 50V max) and wide operating temperature range (-40 to +125 degree C) can be used in automotive body, powertrain and infotainment systems. The BD7xxLx  is composed of eight part numbers, with optional output voltage from 3.3 and 5V, output current capability form 200 up to 500mA, and three standard package types.

The AEC-Q100-qualified BUxxJA2MNVX-C series provides automotive grade reliability in a compact 1mm² package, decreasing the mounting area by 55% over existing products, says the company. Standby current consumption of 35microA and load regulation characteristics of 65mV load fluctuation, are halved, contributing to smaller, higher performance automotive safety modules. Unlike conventional products requiring an external capacitance of at least 1.0microF to prevent oscillation, the new regulator types support smaller external capacitors as low as 0.22microF for further miniaturisation.

http://www.rohm.com/eu

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