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BD9397EFV-GE2

BD9397EFV-GE2 Description

The BD9397EFV-GE2 from ROHM Semiconductor is a high-performance DC-DC regulator designed for LED driving applications, particularly backlighting systems. This surface-mount IC integrates an internal switch and supports a wide input voltage range of 9V to 35V, making it suitable for diverse power supply environments. With six output channels, each capable of delivering 400mA, it ensures uniform brightness control in multi-LED configurations. The device operates at a switching frequency of 500kHz, optimizing efficiency while minimizing external component size. Its analog and PWM dimming capabilities provide flexible brightness adjustment, catering to dynamic lighting requirements. Packaged in a Tape & Reel (TR) format, it is ideal for automated assembly processes in high-volume production.

BD9397EFV-GE2 Features

• Multi-Channel Output: Six independent channels (400mA each) for precise LED current control.
• Wide Voltage Range: Operates from 9V to 35V, accommodating various power sources.
• Integrated Switch: Reduces external component count, simplifying PCB design.
• Dual Dimming Modes: Supports analog and PWM dimming for versatile brightness adjustment.
• High Efficiency: 500kHz switching frequency balances performance and power loss.
• Robust Compliance: ROHS3 Compliant and REACH Unaffected, meeting environmental standards.
• Reliable Packaging: 40-pin HTSSOP in Tape & Reel for automated manufacturing.
• Extended Durability: MSL 3 (168 hours) rating ensures moisture resistance during storage.

BD9397EFV-GE2 Applications

• LCD Backlighting: Ideal for TVs, monitors, and automotive displays requiring uniform illumination.
• Industrial Lighting: Suitable for high-reliability LED arrays in harsh environments.
• Consumer Electronics: Powers backlight units in tablets, laptops, and signage.
• Automotive Interior Lighting: Supports PWM dimming for adaptive dashboard/cluster lighting.
• Medical Devices: Ensures stable LED drive in diagnostic equipment with stringent noise requirements.

Conclusion of BD9397EFV-GE2

The BD9397EFV-GE2 stands out as a versatile and efficient LED driver for demanding applications. Its multi-channel output, wide voltage range, and integrated switch reduce design complexity, while dual dimming modes enhance flexibility. Compliant with industry standards and optimized for automated production, it is a robust choice for backlighting, industrial, and automotive lighting systems. Engineers benefit from its high reliability, compact footprint, and advanced control features, making it a superior alternative to conventional LED drivers.