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
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Multiple Output Regulators
Single Output Regulators
The A4402 simplifies power supply design for microcontrollers and DSPs by integrating a 2 MHz buck regulator and an LDO in a single package. This dual-output regulator offers adjustable output...
The A4405 simplifies power management in automotive applications by integrating a 2.2 MHz buck pre-regulator, two 5V linear regulators, and a 3.3V DMOS driver. This highly integrated solution offers a...
The A4407 integrates a 2.2 MHz buck pre-regulator, multiple LDO regulators, a configurable watchdog timer, and SPI control for flexible power management in automotive applications. Its wide input voltage range,...
The A4409 provides a reliable power solution for automotive applications, integrating a buck or buck-boost pre-regulator, two 5V LDOs, a window watchdog timer, and power-on reset. Its wide input voltage...
The A4411 offers a comprehensive power management solution for automotive applications, integrating a buck or buck-boost pre-regulator, a synchronous buck regulator, and multiple LDOs. It features a programmable watchdog timer,...
The A4413 integrates a buck/buck-boost pre-regulator, a synchronous buck, a 5V protected LDO, and a programmable watchdog timer for robust and efficient power management in automotive applications. * Note: If...
The A4447 provides efficient step-down regulation for a wide input voltage range (8V-50V) and offers an adjustable output voltage (0.8V-24V). Its fixed off-time architecture simplifies compensation and ensures stable operation.
The A4481 is a robust 5V LDO regulator designed for automotive environments. It offers 50mA output current, load dump and short-to-battery protection, and a power-OK flag for enhanced system reliability.
The A81407 integrates a buck/buck-boost pre-regulator, multiple LDO regulators, gate drivers, and SPI control for comprehensive power management and control of external switched loads in automotive and industrial applications. *...
The A81411 simplifies automotive power supply design, integrating a buck-boost pre-regulator, five linear regulators (including short-to-battery protected LDOs), and SPI control for flexible configuration and diagnostics. * Note: If you...
The A8450 provides a versatile power solution for automotive applications, integrating a buck converter, multiple LDO regulators (including short-to-battery protected outputs), and comprehensive protection features for robust operation. * Note:...
The A8498 offers efficient step-down regulation for a wide input voltage range (8V-50V), delivering up to 3A output current. Its adjustable output voltage and integrated DMOS switch simplify design and...
The A8586 delivers efficient step-down conversion with a wide input voltage range (3.8V-36V), adjustable output voltage (0.8V-30V), and programmable switching frequency up to 4 MHz. Integrated MOSFET and current-mode control...
The A8601 simplifies LCD bias voltage generation, providing five independently adjustable outputs, programmable switching frequency, and pre-programmed power-up/down sequencing. * Note: If you have issues logging into this feature you...
The A8660 offers a robust and versatile solution for synchronous buck conversion, featuring a wide input voltage range, adjustable output voltage, programmable frequency, and NPOR output. * Note: If you...
The ARG82801/1 provides comprehensive power management and gate drive control for automotive applications, integrating a buck/buck-boost pre-regulator, multiple LDOs, floating gate drivers, and SPI for flexible configuration and diagnostics. The...