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Diodes launches low-dropout voltage regulator for automotive sector

By Michelle Froese

Diodes Incorporated has introduced the AP7347DQ, low-dropout (LDO) voltage regulator, which is highly optimized for demanding noise-sensitive power-related automotive applications.

The new automotive-compliant, high-output accuracy LDO is AEC-Q100 Grade 1 qualified, manufactured in IATF 16949 certified facilities, and fully supports automotive production part approval processes.

These qualities make it well-suited to design in to a range of key in-vehicle functions, including point-of-load applications in ADAS, automotive wireless communication systems, RF subsystems, and infotainment power sources.

A 75dB power supply rejection ratio (PSRR), combined with an output noise of just 60µVrms, gives the AP7347DQ considerable performance advantages. It’s available in 12 fixed, output-voltage variants with a ±1% voltage-output accuracy, which is maintained across its entire -40° to 125° C operational temperature range.

Its 1.7 to 5.5V wide input-voltage range gives it the versatility to address numerous automotive application requirements, while its 60µA quiescent current mitigates standby power losses.

The AP7347DQ has an enable pin; a built-in active discharge function ensures that the system starts up in a known state if the device has been disabled. Overtemperature and short-circuit protection are integrated, incorporating a 180mA foldback current limit should a short-circuit occur.


Filed Under: Automotive, Components, News
Tagged With: automotive, diodesincorporated, ldo, voltage, voltageregulator
 

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