BD3951F-E2

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

The BD3951F-E2 is a linear voltage regulator manufactured by ROHM Semiconductor, featuring an integrated voltage detector. It provides a fixed 5 V output with a maximum continuous current of 150 mA. The device operates within an input voltage range of 5.5 V to 45 V and supports surface-mount installation in SOP-J8 packages. Electrical performance includes a line regulation of 20 mV and load regulation of 30 mV. It functions reliably across a temperature range of -40°C to +125°C with a power dissipation rating of 687 mW.

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

• Integrates a voltage detector function alongside the linear regulation capability
• Supports high-voltage input ranges up to 45 V for robust power management
• Includes thermal protection mechanisms to prevent damage during overload conditions

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

• General-purpose low-dropout power supply circuits
• Voltage monitoring systems requiring integrated detection
• Industrial control modules operating under wide temperature variations

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

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status via official datasheets before integration. Check for end-of-life notifications as availability may be restricted. Ensure package specifications match design requirements for SOP-J8 mounting. Validate electrical parameters against specific application needs prior to procurement.

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

Select this component when a fixed 5 V output is required with high input voltage tolerance. Consider the integrated voltage detector for simplified circuit designs needing monitoring capabilities. Evaluate thermal management requirements given the 687 mW dissipation limit. Compare against adjustable regulators if variable output voltages are necessary instead of fixed levels.

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

This part belongs to ROHM's linear regulator family designed for stable DC voltage conversion. It serves as a power management solution for electronic devices requiring reliable voltage stabilization. The inclusion of a voltage detector distinguishes it from standard LDO regulators, offering additional system monitoring functionality without extra components.

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

BD3951F is listed as an alias for this component.