BA3257FP-E2

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

The BA3257FP-E2 is a dual-output linear voltage regulator IC from Rohm Semiconductor, housed in a TO-252-5 package. It provides one fixed output of 3.3V and one adjustable output ranging up to 12.7V. The device supports a maximum output current of 1A per channel. Key electrical specifications include a load regulation of 5mV and a power dissipation rating of 1.3W. The component is RoHS compliant and lead-free.

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

• Dual-output architecture integrating two series regulators within a single power package
• Combines a fixed 3.3V rail with an independently adjustable output for flexible power management
• Designed for surface-mount applications using the TO-252-5 form factor

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

• Power management systems requiring simultaneous fixed and variable voltage rails
• Embedded electronics needing compact dual-regulator solutions
• Portable devices utilizing surface-mount power components

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

Verify the specific suffix E2 confirms RoHS compliance and lead-free status as documented. Confirm the package type matches the required TO-252-5 footprint for PCB layout compatibility. Check current supply chain status as availability may vary by distributor. Ensure the application design accounts for the specified 1.3W power dissipation limit under expected thermal conditions.

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

Select this component when a dual-output LDO is required in a single package to save board space. The fixed 3.3V output simplifies logic power generation while the adjustable rail accommodates varying analog or peripheral needs. Consider the TO-252-5 package constraints regarding thermal performance and mounting style during the design phase.

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

This part belongs to the BA3257 series of power management ICs manufactured by Rohm Semiconductor. The series focuses on providing integrated dual-regulator solutions for efficient power distribution in compact electronic designs. The FP-E2 designation indicates the specific package variant and environmental compliance attributes.

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

Publicly confirmed substitute part numbers are not available in the provided documentation. Verify pinout and electrical specifications carefully if considering alternative dual-output regulators from other manufacturers.