Allegro MicroSystems Inc. Datasheets for IC Linear Voltage Regulators

Integrated circuit (IC) linear voltage regulators use voltage-controlled sources to force a fixed voltage to appear at their output terminal.
IC Linear Voltage Regulators: Learn more

Product Name Notes
Description The A4402 is a dual-output regulator, combining in a single package a constant on-time buck regulator and a linear regulator (LDO)—each with adjustable output voltages. It is ideal for...
Description The A4405 is an automotive power management IC that uses a high frequency constant on-time 5.45 V pre-regulator to supply two internal 5 V linear regulators and a 3.3...
Description The A4406 is an automotive power management IC that uses a high frequency constant on-time 5.45 V pre-regulator to supply an internal 5 V linear regulator and a 3.3...
Description The A4407 is an automotive power management IC that uses a 2.2 MHz constant on-time (COT) buck pre-regulator to supply a 5 V linear regulator, a 5 V tracking/protected...
Description The A4408 is power management IC that uses a buck or buck-boost pre-regulator to efficiently convert automotive battery voltages into a tightly regulated intermediate voltage, complete with control, diagnostics,...
Description The A4409 is a power management IC that uses a buck or buck-boost pre-regulator to efficiently convert automotive battery voltages into a tightly regulated intermediate voltage, complete with control,...
Description The A4411 is a power management IC that can be configured as a buck or buck/boost pre-regulator to efficiently convert automotive battery voltages into a tightly regulated intermediate voltage...
Description The A4412 is a power management IC that uses a buck or buck/boost pre-regulator to efficiently convert automotive battery voltages into a tightly regulated intermediate voltage complete with control,...
Description The A4480 is a wide input regulator with complete control, diagnostics, and protection features that address many requirements of automotive applications. It includes a boost function to allow operation...
Description The A4481 is a single low-dropout linear regulator with complete control, diagnostics, and protection features that address many requirements of automotive applications. It regulates input voltages from 5.25 to...
Description The A81407 is ideal for both Automotive and Industrial applications, where high temperature operation, a high level of integration, and robust solutions are required. The IC integrates a buck...
Description The A8450 is a multioutput power supply intended for automotive applications. The A8450 operates from a wide input supply range and is designed to satisfy the requirements of high...
Description The A8601 is a fixed frequency, multiple-output supply for LCD bias. Its switching frequency can be either programmed or synchronized with an external clock signal between 350 kHz and...
Description The A8603 is a fixed-frequency, multiple-output supply for LCD bias. Its switching frequency can be either programmed or synchronized with an external clock signal between 350 kHz and 2.25...
Description The ARG81400 is rated up to 50V input and provides 6 total outputs. There are 5 LDOs, and a post regulated DC/DC switcher to power MCUs, as well as...
Description The ARG81401 is a power management IC that uses a buck or buck-boost pre-regulator to efficiently convert automotive battery voltages into a tightly regulated intermediate voltage, complete with control,...
Description The ARG81402 is designed to provide power to loads such as microprocessors, sensors, and communication transceivers, and is ideal for both Automotive and Industrial applications. The device is in...
Description The ARG82800 is an ASIL D PMIC for automotive control units, providing 4 power rails for microcontroller/DSP, sensors, CAN, memory, and other loads in the system. It includes a...
Description The ARG82801 and ARG82801-1 are power management ICs designed to supply power for microprocessors, sensors, and CAN transceivers and ideal for under-hood applications. The devices integrate a buck or...