BD3537F-E2

Special Purpose Regulators Overview

The BD3537F-E2 is a DDR termination regulator manufactured by ROHM Semiconductor, designed for professional power management applications. It operates within an input voltage range of 1.746 V to 1.854 V and delivers an output current of 1.8 A. The device functions with a working supply voltage of 4.75 V to 5.25 V and consumes 1 mA of operating supply current. It supports a maximum power dissipation of 690 mW and operates across a temperature range of -30°C to +100°C. Packaged in SOP-8 for surface mount installation, it serves as a specialized PMIC component.

Special Purpose Regulators Feature Summary

• Provides dedicated termination regulation for DDR-SDRAM memory interfaces
• Integrates high-speed operational amplifier design for superior transient response characteristics
• Includes independent reference voltage output pin (VREF) for supporting self-refresh states

Special Purpose Regulators Applications

• Power supply for DDR I/II SDRAM systems
• DDR-SDRAM termination circuits
• Memory controller reference voltage generation

Special Purpose Regulators Procurement Notes

Verify component status carefully as the BD3537F-E2 is listed as End-of-Life (EOL). Manufacturers may discontinue production, making new procurement difficult or impossible. Confirm availability through authorized distributors before finalizing designs. Ensure all technical specifications align with legacy system requirements if integrating this obsolete part into existing hardware architectures.

Special Purpose Regulators Selection Notes

Select this component specifically for DDR-SDRAM termination applications requiring precise voltage regulation within the JEDEC standard range. Consider the SOP-8 package constraints and thermal dissipation limits when designing the PCB layout. Evaluate the 1.8 A output capability against the specific memory load requirements to ensure adequate performance margins during peak operation cycles.

Special Purpose Regulators Part Context

This component belongs to the ROHM Semiconductor specialized power management IC family, specifically categorized under DDR termination regulators. It complements other memory interface solutions by providing stable VTT and VREF outputs essential for reliable data transmission in synchronous dynamic random-access memory systems used in computing and embedded applications.

Special Purpose Regulators Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Due to the End-of-Life status, alternative components must be identified through separate engineering validation processes rather than direct cross-referencing.