PT5613 PFC + Ballast Control IC DESCRIPTION The PT5613 is a ballast control IC, with the Power Factor Correction (PFC) control and the 650V half-bridge driver, designed to drive all types of fluorescent lamps. In the Ballast Control section, the features such as programmable preheat time and frequency, programmable and precise run frequency, self-adapting ignition time regulator and auto-restart for lamp replacement, provide a high degree of flexibility for the ballast design engineers. The protection features include the filaments detection, ignition failure, rectifier effect and end-of-life protection for lamp and the over-current protection for half bridge. It is easy to support full protection in multi-lamp design. In the PFC control section, there are two control modes: Critical Conduction Mode for nominal load and Discontinuous Conduction Mode for light load. The PFC features include internal fixed maximum on-time, programmable current limitation, over voltage and open loop protections. The PFC control, with the controlled on-time and internal THD optimization, provides the quality of high PF and low THD. APPLICATION FEATURES BALLAST CONTROL • • • • • • • • • • • 650V Half-Bridge Driver Programmable Preheat Time and Frequency Fixed Dead Time Programmable and Precise Run Frequency Self-adapting Ignition Time Regulator Ignition Failure Protection Rectifier Effect and End-Of-Life Protection Programmable Half-Bridge Over-Current Protection Low side and High side Filaments Detection Auto-Restart for Lamp Replacement Support Multi-Lamp Design PFC CONTROL • Critical Conduction Mode (CRM) Control • Discontinuous Conduction Mode (DCM) Control in light load condition • Programmable Current Limitation • Fixed Maximum On-Time (MOT) • PFC Over Voltage and Open Loop Protection • Electronic Ballast for all types of Fluorescent Lamps TYPICAL APPLICATION Tel: 886-66296288‧Fax: 886-29174598‧ http://www.princeton.com.tw‧2F, 233-1, Baociao Road, Sindian, Taipei 23145, Taiwan PT5613 BLOCK DIAGRAM V1.0 2 January 2011 PT5613 STATE DIAGRAM V1.0 3 January 2011 PT5613 ORDER INFORMATION Valid Part Number PT5613-S Package Type 20 Pins, SOP, 300mil Top Code PT5613-S PIN DESCRIPTION PIN DESCRIPTION Pin Name VDD GND LVS1 LVS2 CP RRUN RPH RF COMP INV ZCD CS_PFC GD SD CS_LS LO NC VS HO VB V1.0 Description IC power supply System ground Lamp1 voltage sensing Lamp2 voltage sensing Preheat time setting Run frequency setting Preheat frequent setting Internal current bias control, connecting a external resistor (68K, typ.) to GND PFC error amplifier compensation PFC error amplifier inverting input PFC zero current detection PFC current sensing PFC gate driver output Low side filament sensing and shut-down control Half-bridge current sensing Low side gate driver output No connection High side driver floating ground High side gate driver output High side driver floating supply 4 Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 January 2011