BU34TA2WHFV-TR

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

The BU34TA2WHFV-TR is a single-channel CMOS LDO regulator manufactured by ROHM Semiconductor, housed in an HVSOF-5 surface-mount package. It provides a fixed 3.4 V output with a maximum current of 200 mA. The device operates within an input voltage range of 2.5 V to 5.5 V and features a typical dropout voltage of 300 mV at full load. Key electrical specifications include a ripple rejection ratio of 65 dB, a quiescent current of 40 µA, and line/load regulation of 2 mV and 20 mV respectively. It supports an operating temperature range from -40°C to +85°C.

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

• Ultra-low power consumption achieved through a circuit current of only 40 µA.
• High precision voltage regulation with ±1.0% accuracy at 25°C.
• Integrated protection mechanisms including thermal shutdown, over-current protection, and discharge function.

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

• Power supply for logic integrated circuits
• Power supply for radio frequency modules
• Power supply for camera modules

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

Verify the specific suffix (HFV) against the manufacturer's latest documentation to confirm pinout and package dimensions. Ensure the ordering quantity aligns with the standard taping quantity of 3000 units if purchasing directly from the factory. Confirm RoHS compliance status via the official datasheet before finalizing procurement plans.

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

Select this component when a compact 5-pin SMD solution is required for low-noise, fixed-voltage applications. The HVSOF-5 package suits space-constrained designs. Verify that the 200 mA output capability meets the peak load requirements of the target circuit. Consider the 300 mV typical dropout voltage when designing the input-output voltage differential.

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

This part belongs to the BU**TA2WNVX/HFV series of high-performance FULL CMOS regulators. The series utilizes ultra-small packages such as SSON004X1216 and HVSOF5. These devices are designed for applications requiring low noise and fast load response characteristics while maintaining minimal power consumption.

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

The BU4834F datasheet lists BD5234G-1 as a similar specification replacement. However, verify pin compatibility and exact electrical parameters before substitution.