BA90DD0WHFP-TR

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

The BA90DD0WHFP-TR is a fixed-output low-dropout (LDO) regulator manufactured by ROHM Semiconductor, featuring a maximum output current of 2A and a withstand voltage of 35V. It provides a fixed output voltage with ±1.0% accuracy at 25°C and operates within an input voltage range of 3V to 25V. The device incorporates a shutdown function, thermal shut-down protection, over-current protection, and over-voltage protection. Typical specifications include a dropout voltage of 0.45V at 2A load, ripple rejection of 55dB, and a circuit current of 0.9mA. It is housed in an HRP-5 package and supports an operating temperature range from -40°C to 125°C.

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

• Integrates comprehensive protection mechanisms including thermal shut-down, over-current protection, and over-voltage protection for enhanced reliability.
• Features a dedicated shutdown function allowing precise control of the output state via external signaling.
• Delivers high precision fixed output voltage with ±1.0% accuracy under standard temperature conditions.

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

• Portable electronic devices requiring efficient power management
• Battery-powered equipment needing low quiescent current operation
• General-purpose linear regulation in consumer electronics

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

Verify the specific suffix and full part number against official ROHM documentation to ensure correct feature alignment, particularly regarding the shutdown capability and output voltage tolerance. Confirm that the HRP-5 package variant matches the design requirements. Check for any recent product change notices or end-of-life announcements that may affect long-term availability and supply chain stability for this component.

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

Select this component when a fixed output voltage with high accuracy and robust protection features is required. The 2A output current capability suits applications driving moderate loads efficiently. Consider the 35V withstand voltage for systems with higher input potentials. Ensure the thermal performance in the HRP-5 package meets the application's heat dissipation needs within the specified operating temperature range.

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

This part belongs to ROHM's standard LDO regulator series designed for small, power-saving devices. It offers a 2A output current with low saturation characteristics. The series includes various output voltages, packages, and shutdown options to support diverse power configurations. It is classified as a standard-grade product and is not recommended for automotive equipment applications.

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

Public confirmed substitute part numbers are not available in the provided source material.