BA7809FP-E2

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

The BA7809FP-E2 is a linear voltage regulator from the ROHM Semiconductor BA78 series, providing a fixed positive output of 9V at up to 1A. It utilizes a TO-252-3 (DPAK-3) surface-mount package. The device supports an input voltage range from 11.5V to 26V with a maximum withstand voltage of 35V. Key electrical parameters include ±4.0% output accuracy and a quiescent circuit current of 4.5mA. It operates within a temperature range of -40°C to +85°C.

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

• Integrated overcurrent protection circuitry for load safeguarding
• Built-in thermal shutdown circuit to prevent damage during overheating
• High ripple rejection characteristics for stable power delivery

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

• General-purpose electronic equipment requiring regulated DC power
• Embedded systems utilizing surface-mount assembly processes
• Power supply modules in industrial control applications

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

Verify component authenticity through authorized distribution channels due to end-of-life status. Confirm RoHS compliance documentation matches the specific manufacturing batch. Ensure storage conditions adhere to semiconductor handling standards to maintain lead integrity prior to soldering.

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

Select this component when a fixed 9V output is required in a compact surface-mount form factor. Consider the TO-252-3 package for thermal management needs relative to smaller SOT packages. Evaluate input voltage headroom against the minimum requirement of 11.5V to ensure proper regulation under all operating conditions.

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

This part belongs to the BA78 series of linear regulators, designed as surface-mount equivalents to traditional through-hole regulators. The series offers robust protection features including overcurrent and thermal shutdown. The BA7809FP-E2 specifically targets applications needing reliable 9V regulation in space-constrained PCB designs.

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

Check for direct pin-compatible alternatives within the same manufacturer's portfolio that may be currently active. Verify if other fixed-voltage variants in the BA78 series meet specific output requirements. Consult official substitution guides for any updated versions with improved thermal performance.