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| PT5611 Dimming Ballast Controller IC DESCRIPTION PT5611 is a dimming ballast controller, which is available to implement closed loop feedback control of the lamp power. PT5611 has external programmable features, such as preheat time and preheat current. All of these provide a great degree of flexibility for the ballast design engineers. With different connections, PT5611 has the dimming ability with potentiometer or remote controller. And the PT5611 is available in both 16-pin DIP and 16-pin SOP package. FEATURES * Dimming range: 8%~100% * Provides capacitive mode protection of half-bridge inverter * Over-voltage protection and thermal protection * Programmable preheat time and preheat current (Frequency) * Pin SHUNDOWN can be controlled by MCU * Closed-loop lamp power control * Minimum dimming control APPLICATIONS * All types of fluorescent lamps * Potentiometer & remote dimmer BLOCK DIAGRAM Tel: 886-66296288Fax: 886-29174598 http://www.princeton.com.tw2F, 233-1, Baociao Road, Sindian, Taipei 23145, Taiwan PT5611 TYPICAL APPLICATION CIRCUIT 220V/70W/T6 V1.0 2 PT5611 ORDER INFORMATION Valid part Number PT5611-D PT5611-S Package Type 16 Pins, DIP, 300 MIL 16 Pins, SOP, 150MIL Top Code PT5611-D PT5611-S PIN CONFIGURATION V1.0 3 PT5611 IMPORTANT NOTICE Princeton Technology Corporation (PTC) reserves the right to make corrections, modifications, enhancements, improvements, and other changes to its products and to discontinue any product without notice at any time. PTC cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a PTC product. No circuit patent licenses are implied. Princeton Technology Corp. 2F, 233-1, Baociao Road, Sindian, Taipei 23145, Taiwan Tel: 886-2-66296288 Fax: 886-2-29174598 http://www.princeton.com.tw V1.0 4 |
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