Description

The Smart Ballast IC is designed to control a Fluorescent Lamp Ballast including a Discontinuous Conduction Mode Power Factor Correction (PFC), a lamp Inverter Control and a High Voltage Level Shift Half-Bridge Driver

Product Highlights

• Lowest Count of external Components

• HV-Driver with coreless Transformer Technology

• Improved Reliability and minimized Spread due to digital and optimized analog control functions

Features PFC

• Discontinuous Conduction Mode PFC

• Integrated Compensation of PFC Control Loop

• Adjustable PFC Current Limitation

• Adjustable PFC Bus Voltage

Features Lamp Ballast Inverter

• Supports Restart after Lamp Removal and End-of Life Detection in Multi-Lamp Topologies

• End-of-Life (EOL) detected by adjustable ± Thresholds of sensed lamp voltage

• Rectifier Effect detected by ratio of ± Amplitude of Lamp Voltage

• Detection of different capacitive Mode Operations

• Adjustable Inverter Overcurrent Shutdown

• Self-adaption of Ignition Time from 40ms to 235ms

• Parameters adjustable by Resistors only

• Pb-free lead plating; RoHS compliant

• Halogen-free mould compound, WEEE compliant