BA7818FP-E2

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

The BA7818FP-E2 is a fixed linear voltage regulator from the ROHM BA78 series, providing a stable 18 V output with a maximum current capacity of 1 A. It operates within an input voltage range of 21 V to 33 V and features a ±4.0% output accuracy. The device is housed in a surface-mount TO-252-3 (DPAK-3) package, suitable for automated assembly. It supports an operating temperature range from -40 °C to +85 °C and includes built-in thermal shutdown and overcurrent protection circuits.

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

• Integrates internal overcurrent protection and thermal shutdown circuits for enhanced reliability.
• Delivers high ripple rejection performance for clean power regulation.
• Utilizes a compact TO-252-3 surface mount package design.

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

• General-purpose positive voltage regulation in electronic circuits.
• Power supply modules requiring fixed 18 V outputs.
• Embedded systems utilizing surface-mount technology.

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

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status and check for end-of-life notifications, as availability may be limited. Ensure proper handling procedures are followed during storage and installation to maintain device integrity.

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

Select this regulator when a fixed 18 V output at up to 1 A is required in a surface-mount configuration. Consider the minimum input voltage requirement of 21 V to ensure adequate dropout margin. Evaluate thermal management needs due to power dissipation characteristics inherent to linear regulation.

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

This component belongs to the BA78 series of linear voltage regulators manufactured by ROHM Semiconductor. The series offers various fixed output voltages in both through-hole and surface-mount packages. The FP suffix indicates the specific TO-252-3 surface-mount variant designed for high-volume production environments.

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

Public confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with existing circuit designs before considering alternative components from other manufacturers.