BA18DD0T

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

The BA18DD0T is a fixed output Low Dropout (LDO) regulator manufactured by ROHM Semiconductor, designed for high-current applications with a maximum output current of 2A. It provides a fixed 1.8V output with an accuracy of ±1.0% at 25°C. The device operates within an input voltage range of 3V to 25V and withstands up to 35V. Key electrical parameters include a typical dropout voltage of 0.45V at 2A load, a ripple rejection of 55dB, and a circuit current of 0.9mA. It features thermal shutdown, over-current protection, and over-voltage protection, housed in a TO-220FP-3 package with an operating temperature range from -40°C to 125°C.

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

• Low saturation PNP output type providing high efficiency under heavy loads
• Built-in protective circuits including thermal shutdown, over-current, and over-voltage protection
• High precision fixed output voltage with ±1.0% tolerance

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

• General purpose power supply regulation requiring stable 1.8V rails
• Industrial equipment power management systems
• Consumer electronics requiring robust linear regulation

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

Verify the component status as End-of-Life or Obsolete before procurement planning. Confirm that the TO-220FP-3 through-hole package aligns with existing PCB footprints. Ensure replacement strategies are evaluated due to potential discontinuation. Check RoHS compliance documentation for specific regulatory requirements in target markets.

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 continuous current capability. It is suitable for designs needing low dropout performance and integrated protection features without a shutdown pin. Consider the TO-220FP-3 package for adequate heat dissipation in through-hole implementations.

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

The BA18DD0T belongs to the BAxxDD0T series of standard fixed output LDO regulators from ROHM. This series offers a wide range of output voltages and packages, catering to various power management needs. The device is part of ROHM's portfolio of low-saturation regulators designed for reliability and efficiency in linear power applications.

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

Publicly confirmed substitute part numbers are not available in the provided source material. Evaluate other members of the BAxxDD0T series or similar ROHM LDOs with compatible electrical specifications and pinouts for potential replacements.