(Hong Kong)
Product Summary
The LT1768CGN#TR is designed to control single or multiple cold athode fluorescent lamp (CCFL) displays. The LT1768CGN#TR can detect and protect against lamp failures and overvoltage start-up conditions. The LT1768CGN#TR is designed to provide maximum flexibility with a minimum number of external components. Applications of the LT1768CGN#TR include: Desktop Flat Panel Displays, Multiple Lamp Displays, Notebook LCD Displays, Point of Sale Terminal Displays.
Parametrics
LT1768CGN#TR absolute maximum ratings: (1) Input Voltage (Vin Pin) : 28V; (2) SHDN Pin Voltage: 28V; (3) FAULT Pin Voltage: 28V; (4) PROG Pin Voltage: 5.5V; (5) PWM Pin Voltage: 4.5V; (6) Ct Pin Voltage: 4.5V; (7) SENSE Pin Voltage:1V; (8) DIO1, DIO2 Input Current: ±50mA; (9) Rmax Pin Source Current: 750μA; (10) Rmin Pin Source Current: 750μA; (11) Vref Pin Source Current: 10mA; (12) Operating Junction Temperature Range: 0°C to 125°C; (13) Storage Temperature Range: -65°C to 150°C; (14) Lead Temperature (Soldering 10 sec) : 300°C.
Features
LT1768CGN#TR features: (1) Ultrawide Multimode Dimming Range; (2) Multiple Lamp Capability; (3) Programmable PWM Dimming Range and Frequency; (4) Precision Maximum and Minimum Lamp Currents Maximize Lamp Lifetime; (5) No Lamp Flicker Under All Supply and Load Conditions; (6) Open Lamp Detection and Protection; (7) 350kHz Switching Frequency; (8) 1.5A MOSFET Gate Driver; (9) 100mV Current Sense Threshold; (10) 5V Reference Voltage Output; (11) The 16-Lead SSOP Package.
Diagrams
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 LT1768CGN#TR |
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IC CTRLR CCFL SGL/MULT HP 16SSOP |
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LT1768CGN#TRPBF |
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IC CTRLR CCFL SGL/MULT HP 16SSOP |
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