BU30SA4WGWL-E2

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

The BU30SA4WGWL-E2 is a single-output CMOS Low Dropout (LDO) voltage regulator manufactured by ROHM Semiconductor. It provides a fixed output with an output current capability of 200 mA and operates within an input voltage range of 1.7 V to 5.5 V. The device features a typical ripple rejection ratio of 70 dB and a maximum dropout voltage of 150 mV, with a typical value of 80 mV. Voltage regulation accuracy is specified at 0.6%. It includes thermal shutdown and over-current protection functions. The component operates between -40°C and +85°C and is housed in a WLCSP-4 package.

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

• CMOS LDO architecture for low power consumption
• Integrated thermal shutdown and over-current protection
• High ripple rejection performance
• Compact WLCSP-4 surface mount packaging

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

• Power supply for logic ICs
• RF circuit power supplies
• Camera module power sources

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

Verify the specific suffix against the manufacturer's official datasheet to confirm pinout compatibility and electrical tolerances. Ensure the ordering code matches the required output voltage variant. Confirm RoHS compliance status through the latest product documentation before finalizing procurement specifications.

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

Select this component when a compact footprint is required for low-power applications. The 200 mA output current suits moderate load requirements. Verify that the system input voltage remains within the 1.7 V to 5.5 V range. Consider the thermal dissipation limits given the small package size during high-load operation.

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

This part belongs to the BU30SA4 series of linear regulators from ROHM. The series is designed for portable devices requiring efficient power management in small form factors. The WLCSP-4 package allows for space-constrained PCB layouts compared to traditional leaded packages.

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

Check for BU30SA4WGWL variants with different output voltages if the fixed voltage requirement changes. Compare pinouts carefully as suffixes may indicate different internal configurations or temperature ranges.