BA09FP-E2

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

The BA09FP-E2 is a fixed-output low-dropout (LDO) voltage regulator manufactured by ROHM Semiconductor. It provides a stable 9 V output with a maximum load current of 1 A. The device operates within an input voltage range of 10 V to 25 V and features a typical dropout voltage of 300 mV at full load, with a maximum of 500 mV at 500 mA. It offers high ripple rejection of 55 dB and precise voltage regulation with line regulation of 100 mV and load regulation of 150 mV. The unit is housed in a TO-252-3 surface-mount package and supports an operating temperature range from -40 °C to +85 °C.

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

• Integrated thermal shutdown circuitry for protection against excessive junction temperatures.
• Built-in overcurrent protection mechanism to safeguard the device during fault conditions.
• High ripple rejection capability ensures clean output voltage under varying input noise conditions.

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

• General-purpose linear voltage regulation in electronic circuits
• Power management sections requiring stable 9 V supply rails
• Industrial control systems utilizing surface-mount assembly

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. Check for end-of-life notices as the product may be obsolete. Ensure packaging specifications match production requirements. Validate part markings against official ROHM standards.

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

Select this regulator when a fixed 9 V output is required with up to 1 A capacity. Consider the TO-252-3 package for surface-mount applications. Evaluate thermal performance given the 1 W power dissipation rating. Compare input voltage requirements against system availability. Assess need for shutdown functionality, which is absent in this variant.

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

This component belongs to ROHM's 78 series of surface-mount regulators. It shares functional similarities with other fixed-output LDOs but differs in package type and specific electrical characteristics. The FP suffix indicates the TO-252-3 SMD package format. It serves as a compact alternative to traditional through-hole regulators in modern PCB designs.

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

BA09CC0WFP-E2: Offers similar 9 V/1A output but includes shutdown function and wider input range (4-25 V). Package differs (TO-252-5 vs TO-252-3). Verify pin compatibility and thermal requirements before substitution.