BD3523HFN-TR

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

The BD3523HFN-TR is a low-dropout (LDO) voltage regulator manufactured by ROHM Semiconductor, housed in an 8-pin HSON package. It provides an adjustable output voltage ranging from 0.65 V to 2.7 V with a maximum output current of 2 A. The device operates within an input voltage range of 950 mV to 5.5 V and supports a junction temperature range from -10°C to +100°C. Key electrical specifications include a line regulation of 0.1%/V, load regulation of 500 µV, and a typical power dissipation capability of 1.75 W.

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

• Adjustable output voltage configuration via external resistors
• High output current capability of 2 A for demanding loads
• Integrated protection mechanisms including thermal shutdown and current limiting

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

• Portable electronic devices requiring stable low-voltage power rails
• Battery-powered systems needing efficient linear regulation
• Embedded circuits utilizing DDR or SDRAM termination requirements

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

Verify component authenticity through authorized distributors due to end-of-life status. Confirm RoHS compliance documentation matches specific manufacturing batches. Validate package integrity upon receipt as the HSON form factor requires careful handling during surface mount assembly processes.

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

Evaluate thermal management requirements given the 1.75 W dissipation limit in compact packaging. Ensure input voltage stability remains above the minimum threshold for proper dropout performance. Consider alternative regulators if higher efficiency switching solutions are required for battery longevity.

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

This component belongs to the BD3523HFN series of PMICs designed for portable applications. It serves as a linear regulator alternative to switching converters where noise sensitivity is critical. The HSON package allows for space-constrained designs while maintaining robust electrical characteristics.

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

Publicly confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with existing board layouts when selecting alternatives.