BD3021HFP-TR

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

The BD3021HFP-TR is a positive fixed linear voltage regulator IC manufactured by ROHM Semiconductor. It provides a 5V output with a maximum current of 500mA. The device features an integrated Watchdog Timer (WDT) and voltage detector for system protection. Key electrical parameters include high output voltage accuracy of ±2.0% and a typical operating supply current of 80µA. It operates within a temperature range of -40°C to 125°C and utilizes the HRP-7 surface-mount package.

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

• Integrated Watchdog Timer (WDT) for enhanced system reliability
• Built-in voltage detector function
• High output voltage accuracy of ±2.0%
• Low circuit current consumption

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

• General purpose electronic equipment requiring stable 5V power
• Systems utilizing watchdog timer functionality
• Embedded circuits needing voltage detection

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

Verify the specific suffix against official ROHM documentation to confirm pinout and functional compatibility. Ensure the HRP-7 package dimensions align with your PCB footprint design. Confirm thermal requirements are met for the intended operating environment, as the device supports up to 125°C junction temperature. Cross-reference the manufacturer part number with authorized distributors to avoid counterfeit components.

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

Select this component when a fixed 5V output with integrated safety features like WDT and voltage detection is required. Consider the 500mA output capability and low quiescent current for efficiency-sensitive designs. The HRP-7 package is suitable for space-constrained surface-mount applications. Verify input voltage ranges against the datasheet to ensure proper regulation under all load conditions.

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

This LDO regulator belongs to ROHM's series of power management ICs designed for consumer and industrial electronics. It combines standard linear regulation with additional monitoring functions, reducing the need for external components. The HRP-7 package offers a compact solution for thermal dissipation in small form-factor devices.

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

Check for direct pin-compatible alternatives within the same ROHM family or other manufacturers offering similar 500mA LDOs with WDT. Ensure replacement parts match the HRP-7 package and thermal characteristics. Verify that any substitute maintains the ±2.0% voltage accuracy and operating temperature range.