BA05ST

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

The BA05ST is a fixed-output linear voltage regulator manufactured by Rohm Semiconductor, providing a stable 5V output with a maximum current capacity of 1A. It features low saturation voltage characteristics and includes an integrated ON/OFF switch for power management control. The device is housed in a TO-220FP-5 package, suitable for through-hole mounting. It operates within an ambient temperature range of -40°C to 85°C and supports a maximum input voltage of 25V. The component has a maximum power dissipation rating of 2W.

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

• Fixed 5V output regulation with 1A current capability
• Integrated ON/OFF switch for power control
• Low saturation voltage design for efficiency
• TO-220FP-5 package for thermal performance

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

• General purpose linear power supply circuits
• Battery-powered devices requiring regulated 5V logic levels
• Embedded systems needing low-noise voltage stabilization

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

Verify component authenticity as the BA05ST is scheduled for obsolescence and discontinued by the manufacturer. Source only from authorized distributors or verified surplus suppliers. Confirm manufacturing date codes and physical condition upon receipt. Ensure replacement strategies are evaluated due to end-of-life status. Request original packaging documentation to validate provenance before integration into production designs.

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

Select this component only if legacy compatibility with existing 5-pin TO-220FP footprints is required. Evaluate thermal management capabilities given the 2W dissipation limit in the specified package. Consider the discontinuation status when planning long-term product lifecycles. Verify that the 1A output current meets system load requirements without excessive heat generation. Assess availability constraints against project timelines.

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

The BA05ST belongs to Rohm's BAOOST series of low drop-out regulators featuring ON/OFF switches. This series provides fixed and variable output options in various packages. The BA05ST specifically targets applications requiring reliable 5V regulation with shutdown functionality. It complements other variants like BA033FP and BA12T within the same family, offering distinct pinout and thermal characteristics suited for different power densities.

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

Public confirmed substitute part numbers are not available in the provided source material. Due to the discontinued status, direct pin-to-pin replacements may require schematic review and thermal re-evaluation. Consult Rohm Semiconductor for current recommended alternatives or updated series components.