Professional IC Distribution & Technical Solutions

The BD9883FV-E2 is a PWM controller IC manufactured by ROHM Semiconductor. Below are its key specifications, descriptions, and features:

Specifications:

• Manufacturer: ROHM
• Package: SSOP-B20
• Type: PWM Controller for LCD Backlight Inverters
• Input Voltage Range: 4.5V to 28V
• Operating Frequency: Adjustable (typically 100kHz)
• Number of Outputs: 2 Channels
• Duty Cycle Range: 0% to 100%
• Protection Features: Overcurrent Protection (OCP), Overvoltage Protection (OVP), Undervoltage Lockout (UVLO)
• Operating Temperature Range: -40°C to +85°C

Descriptions:

The BD9883FV-E2 is a high-efficiency PWM controller designed for driving CCFL (Cold Cathode Fluorescent Lamp) backlight inverters in LCD displays. It supports dual-channel operation with adjustable frequency and duty cycle control, making it suitable for various backlighting applications.

Features:

• Wide Input Voltage Range (4.5V–28V) – Supports various power supply configurations.
• Dual-Channel PWM Control – Enables independent control of two CCFL lamps.
• Soft-Start Function – Reduces inrush current during startup.
• Adjustable Frequency & Duty Cycle – Provides flexibility in system design.
• Built-in Protection Circuits – Includes OCP, OVP, and UVLO for enhanced reliability.
• Low Standby Current – Improves power efficiency.

This IC is commonly used in LCD TVs, monitors, and other display systems requiring CCFL backlighting.

(Note: Always refer to the official datasheet for detailed electrical characteristics and application guidelines.)