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Published byKaren Richardson Modified over 9 years ago
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美国飞兆半导体指定代理 香港汇贤电子有限公司(珠海办事处) 刘金辉(销售经理) 珠海市南屏科技园屏东五路六号 B 栋四楼 电话: 0756-3899018 传真: 0756-3898388 E-mail:13702948628@139.com http://www.chinanete.com
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Ballast Controller + 2MOSFET - FAN7710 Development Schedule - FAN7710 is an electronic ballast control IC which can drive CFL lamp directly. Features - Highly Integrated Power System-On a Package - On-chip Oscillator, No external Capacitor required - Active Dead-time Control for low EMI application - Open Lamp Detection without Sensing Circuitry - Longer Lamp Lift-time with Pre-heating control - 8DIP package Applications -Electric CFL Ballast TechnicalAnalysis Key ApplicationElectric CFL Ballast CompetitorsIR2520D, UBA2024 Package8SOP/DIP BLOCK DIAGRAM Description Code D
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FAN7710 Configuration High-Side Gate Driver +dv/dt noise cancelleration circuit +UVLO +Shoot-through prevented output buffer Running frequency control using a resistor Preheating/Ignition time control And Dead-time control loop stabilizer Using a capacitor Adaptive ZVS controller And Open Lamp Detection Without any external devices 550V power MOSFETs (drive up to 20W lamp)
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Ballast Controller + 2MOSFET - FAN7710 Code D Application Circuit FAN7710
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FAN7710 ER sample test results (Con’t) Test Evaluation Board
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FAN7710 ER sample test results (Con’t) High Temperature Test (Chamber Temp.=120OC) 220V AC Power 20W CFL (Compact Fluorescent Lamp) PCB FAN7710 ER Sample (8DIP) Socket Chamber Temperature Recorder
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主要技术指标 FAN7532L6574IR2156FAN7710FAN7711 Programmable Preheat TimeOOOOO Programmable Preheat FrequencyOOOOO Programmable Run FrequencyOOOOO Protection (OLP, OVP)OOOAutomatic Dimmable OP AmpXOXXX Operating Frequency 50KHz (+-4%) X Rt,Ct Var. 60KHz (+- 3%) X Rt,Ct Var. 100KHz (+-6%) X Rt,Ct Var. 50KHz (+-4%) X Rt Var. 50KHz (+-4%) X Rt Var. Internal Boot Strap DiodeXOXXX Internal H/B SwitchsXXXOX Start-up current (Max)120uA250uA(Max)120uA91.8uA Operating Temperature-40°C ~ +125°C -25°C ~ +125°C Output Current (Sink/Source)250/500mA250/450mA500/500mA 800mA (Isat.(Switch)) 350/650mA Lamp PowerOver 120W Up to 20WOver 120W Package16SOP16SOP/DIP14SOP/DIP8DIP8SOP/DIP
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