BD3506F-E2

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

The BD3506F-E2 is a low-dropout voltage controller with an integrated N-channel power MOSFET, manufactured by ROHM Semiconductor. It operates within an input voltage range of 4.3V to 5.5V and delivers a maximum output current of 2.5A. The device features an adjustable output voltage between 0.65V and 2.5V, utilizing a 0.65V internal reference with ±1% accuracy. Key electrical characteristics include a typical quiescent current of 0.7mA, a minimum current limit of 2.5A, and a typical on-resistance of 120mΩ. It supports variable soft start and includes thermal shutdown and under-voltage lockout protections.

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

• Integrates a high-precision standard voltage circuit (0.65V ±1%) for accurate output regulation.
• Features a built-in ultra-low on-resistance Nch Power MOSFET to minimize conduction losses.
• Includes VCC low-input prevention circuitry to avoid erroneous operation during startup.
• Incorporates NRCS technology to reduce surge current during power-on sequences.

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

• Portable electronic devices requiring efficient linear power regulation
• Battery-powered systems needing low quiescent current consumption
• Embedded circuits with adjustable voltage requirements

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

Verify the specific suffix (e.g., -E2) against the manufacturer's datasheet to confirm RoHS compliance and package details. Confirm availability status as the base model BD3506F is marked as discontinued in some records. Ensure the design accommodates the SOP8 package dimensions and thermal requirements for the intended operating temperature range.

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

Select this component when a single-channel LDO with integrated pass element is required for input voltages up to 5.5V. It is suitable for applications demanding high output current up to 2.5A with adjustable output settings. Consider the thermal performance and package size relative to the expected load current and ambient conditions.

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

The BD3506F-E2 belongs to the BD3506F series of linear FET controllers from ROHM Semiconductor. It is categorized under PMIC - Power Management ICs. The device is designed for general-purpose power management in compact electronic systems, offering a balance of efficiency and protection features in a small SOP8 package.

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

The source material does not provide confirmed substitute part numbers for the BD3506F-E2. Users should consult official ROHM documentation for potential alternatives or contact the manufacturer directly for compatibility information.

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

What is the internal reference voltage accuracy?

The internal reference voltage is 0.65V with an accuracy of ±1%.

Does the BD3506F-E2 include over-current protection?

Yes, it includes a built-in current limit circuit with a minimum limit of 2.5A and thermal shutdown protection.