BA00AST

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Overview

The BA00AST is a positive adjustable low-dropout (LDO) linear voltage regulator manufactured by ROHM Semiconductor. It features an integrated ON/OFF switch and utilizes Nano Cap™ topology for low current consumption. The device supports an output current of up to 1A with a minimum dropout voltage of 0.5V. Electrical specifications include a minimum output voltage of 1.23V and a maximum input voltage of 25V. It is housed in a TO-220-5 Full-Pak package, designed for bipolar applications requiring stable regulated power.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Feature Summary

• Integrated ON/OFF switch functionality for power management
• Nano Cap™ topology optimized for low current consumption
• Built-in protection against over-current, over-temperature, and over-voltage conditions

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Applications

• Automotive electronic systems requiring low-power regulation
• Stabilized power supply circuits for variable output requirements
• Bipolar logic circuit power conditioning

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Procurement Notes

Verify component status as the BA00AST is listed as obsolete and no longer manufactured by ROHM. Confirm availability through authorized distributors or secondary market suppliers. Ensure compatibility with existing PCB footprints and thermal requirements before procurement. Check for valid replacement equivalents if new production units are required.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Selection Notes

Select this component for applications requiring adjustable output voltage within the 1.23V to 25V range. Consider the TO-220-5 package for through-hole mounting and adequate heat dissipation. Evaluate the 0.5V dropout characteristic against input-output voltage differentials. Verify that the 1A output current meets load demands while accounting for thermal constraints in the final enclosure design.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Part Context

The BA00AST belongs to the BAOOST series of low-drop-out voltage regulators from ROHM Semiconductor. This series combines variable and fixed output options with integrated switching capabilities. The device is engineered for automotive and industrial environments where reliability and low quiescent current are critical. It represents a legacy solution in ROHM's linear regulator portfolio.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. As the BA00AST is obsolete, consult ROHM technical support or authorized distributors for current equivalent recommendations compatible with the TO-220-5 package and electrical specifications.