LX6523ID
LX6523ID Datasheet
LX6523
| Part | Datasheet |
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LX6523ID |
LX6523ID (pdf) |
| PDF Datasheet Preview |
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| .COM LX6523 HIGH PERFORMANCE CCFL CONTROLLER PRODUCTION DATASHEET KEY FEATURES The LX6523 is a high performance accuracy and dynamic response at CCFL controller optimized for LCD-TV transient conditions. Furthermore a soft and other multi-lamp LCD display start feature provides more reliable systems. It particularly provides a cost lamp strike and allows effective control competitive solution for off-PFC of the possible inverter start up surge inverter applications. current. The controller provides a pair of Lamp dimming operation is also well push-pull PWM drive signals with considered to facilitate convenient and adequate capacity to drive a push-pull, flexible dimming control design with half bridge, or full bridge CCFL synchronization capability. inverter configuration with the addition In addition, reliable fault detection of simple external circuitry. and protection functions are facilitated An on-chip regulator supplies both including open lamp, over voltage, short the operating voltage for the output gate circuit, and over current protection. drive and bias to the internal control Furthermore, programmable striking circuitry. This allows a direct frequency, programmable strike and connection of the controller to the protection timing, and fault indication system supply extending the voltage up are all built-in with the very compact to 27V without external regulators. chip design. The lamp current regulation circuit The device is available in a SOIC comprises a simple and robust control narrow body surface mount packages in loop design with good regulation the industrial temperature range. • Push-Pull Output to Provide Low Cost Solution for Multiple Topology Configuration • 0.6A Peak Source and Sink Drive Current • 6V to 27V Power Rail operation 36V Absolute Maximum • On Chip Regulator with Under Voltage Lock Out Protection • Soft Start Control • Programmable Strike Time, Fault Time, Strike Frequency, and Burst Dimming Frequency • Burst Dimming Brightness Control • Provide Optimized Solution for Off PFC Inverter Applications LCD-TV Multi-Lamp LCD Monitors CCFL, EEFL, FFL Backlight Systems IMPORTANT For the most current data, consult MICROSEMI’s website: LX6523 PACKAGE ORDER INFO |
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