BA18DD0WT

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

The BA18DD0WT is a fixed-output Low Dropout (LDO) voltage regulator manufactured by ROHM Semiconductor, providing a stable 1.8V output with a maximum current capacity of 2A. It operates within an input voltage range of 3V to 25V and features a typical dropout voltage of 450mV at full load. The device offers high precision with ±1% output voltage accuracy and includes a shutdown function for power management. It incorporates comprehensive protection mechanisms such as thermal shutdown, over-current protection, and over-voltage protection. The component is housed in a TO-220-5 through-hole package and supports an operating temperature range from -40°C to +125°C.

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

• Low saturation design enabling efficient regulation with minimal voltage drop under heavy loads
• Integrated shutdown switch allowing precise control over power consumption states
• High-precision fixed output voltage ensuring stable performance across varying conditions
• Built-in thermal, over-current, and over-voltage protection for enhanced system reliability

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

• Battery-powered portable electronic devices requiring efficient power management
• Industrial control systems needing stable low-voltage rails for logic circuits
• Communication equipment utilizing regulated power supplies for sensitive components

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

Verify the specific suffix 'WT' against official ROHM documentation to confirm pinout configuration and package type, as variations exist within the series. Confirm availability status, as this part may be subject to end-of-life notices or discontinuation. Ensure compatibility with existing PCB footprints for the TO-220-5 package before procurement.

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

Select this component when a fixed 1.8V output is required with up to 2A current capability and integrated shutdown functionality. Consider the TO-220-5 package for through-hole mounting requirements and adequate thermal dissipation. Evaluate the input voltage range to ensure it remains within the specified 3V to 25V limits during operation.

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

This regulator belongs to ROHM's standard LDO series designed for applications requiring high current output with low saturation voltage. The series includes various output voltages and packages, catering to diverse power management needs in consumer and industrial electronics. The BA18DD0WT specifically targets applications needing reliable 1.8V regulation with shutdown capabilities.

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

BD18FD0WHFP-TR is listed as a possible replacement option. Verify electrical specifications and pin compatibility before substitution.