BD3508MUV-E2

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

The BD3508MUV-E2 is a single-channel ultra-low dropout linear regulator manufactured by ROHM Semiconductor. It features an adjustable output voltage range from 650 mV to 2.7 V, driven by a maximum input voltage of 5.5 V. The device delivers a continuous output current of 3 A with a typical dropout voltage of 65 mV at 1 A load. Key electrical parameters include a line regulation of 0.1 %/V and a quiescent current of 700 uA. It operates within a temperature range of -10°C to +100°C and utilizes a VQFN-20 package.

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

• Integrates an N-MOSFET power transistor to achieve ultra-low dropout voltage characteristics under high current loads.
• Provides adjustable output voltage setting via external resistors within the specified low-voltage range.
• Includes an NRCS terminal for adjustable startup time control to support system power sequencing requirements.

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

• Portable electronic devices requiring efficient power management from low input voltages
• Systems utilizing battery supplies where minimizing voltage drop is critical
• Applications replacing switching regulators to reduce component count and board size

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

Verify the specific suffix E2 against the manufacturer's latest documentation to confirm RoHS compliance and lead-free status. Confirm that the VQFN-20 package dimensions match the design footprint requirements. Ensure the input voltage does not exceed the 5.5 V maximum rating during operation. Check for any automotive qualification restrictions as the product is designated for standard grade use only.

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

Select this component when a single output channel with high current capability is required in a compact surface-mount package. It is suitable for designs needing precise voltage adjustment between 650 mV and 2.7 V. Consider the thermal dissipation capabilities of the VQFN-20 package relative to the expected power loss. Verify that the application environment stays within the -10°C to +100°C operating temperature range.

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

This part belongs to the BD3508 series of ultra-low dropout linear regulators from ROHM Semiconductor. It is designed to replace switching converters in space-constrained applications by eliminating the need for external inductors and diodes. The series focuses on reducing conversion losses through minimal voltage drop while maintaining stable output under heavy loads.

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

The BD3508EKN-E2 is a related variant using an HQFN-20 package. Verify pin compatibility and thermal performance differences before substitution. No other direct cross-model replacements are documented in the provided data.