BA18BC0WT-V5

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

The BA18BC0WT-V5 is a fixed output Low Dropout (LDO) regulator manufactured by ROHM Semiconductor. It provides a stable 1.8 V output with a maximum current capacity of 1 A. The device operates within an input voltage range of 3 V to 16 V and features high output voltage accuracy of ±2% at 25°C. Key electrical parameters include a typical dropout voltage of 0.3 V at 0.2 A load, line regulation of 35 mV, and load regulation of 75 mV. It incorporates thermal shutdown and overcurrent protection circuits for enhanced reliability.

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

• Low saturation PNP output transistor design ensures minimal voltage drop under load conditions.
• Integrated thermal shut-down circuit prevents damage during overheating events.
• Built-in overcurrent protection safeguards the device against short-circuit and overload scenarios.

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

• Power supply stages for embedded systems requiring stable 1.8 V rails
• Voltage regulation for microcontroller logic supplies
• Interface circuit power conditioning in industrial control modules

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

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm the specific suffix -V5 indicates the correct package variant (TO-220-3) and pin configuration for your PCB layout. Check for end-of-life status as some listings indicate obsolescence. Ensure compliance with RoHS and REACH regulations relevant to your target market before finalizing procurement decisions.

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

Select this component when a fixed 1.8 V output is required with up to 1 A continuous current capability. It is suitable for applications needing low dropout performance from inputs between 3 V and 16 V. Consider the TO-220-3 package if through-hole mounting and higher thermal dissipation are necessary compared to surface-mount alternatives. Verify that the ±2% accuracy meets system tolerance requirements.

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

This part belongs to the BAxxBC0W series of 1A variable/fixed output LDO regulators from ROHM. The series utilizes PNP output transistors for low saturation voltage characteristics. Other variants in the family offer different fixed output voltages ranging from 1.5 V to 10 V or adjustable outputs, sharing similar protection features and topology but differing in nominal voltage settings and package options.

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

Direct substitutes include other BA18BC0W variants with compatible packages such as BA18BC0FP (TO-252-3) or BA18BC0WFP-E2 (TO-252-5). Ensure replacement parts maintain the same 1.8 V fixed output, 1 A current rating, and pinout compatibility if mechanical constraints exist. Verify thermal performance differences between TO-220 and DPAK packages.