(China (Mainland))
Product Summary
The LTC3206E is a highly integrated multidisplay LED controller. The part contains a high efficiency, low noise fractional step-up/direct-connect charge pump to provide power for both main and sub white LED displays plus an RGB color LED display. The LTC3206E requires only four small ceramic capacitors plus two resistors to form a complete 3-display LED power supply and current controller. The LTC3206E charge pump optimizes efficiency based on VIN and LED forward voltage conditions. It is available in a 24-lead (4mm ×4mm) QFN package. The applications of the device include cellular phones, wireless PDAs and multidisplay handheld devices.
Parametrics
LTC3206E absolute maximum ratings: (1)VIN, DVCC, CPO to GND: –0.3V to 6V; (2)SDA, SCL, ENRGB/S: – 0.3V to (DVCC + 0.3V); (3)ICPO (Continuous): 400mA; (Pulsed at 10% Duty Cycle): 1A; (4)IMAIN1-4, ISUB1,2, IAUX 1, 2: 100mA; (Pulsed at 10% Duty Cycle): 125mA; (5)IRED,GREEN,BLUE: 100mA; (Pulsed at 10% Duty Cycle): 125mA; (6)IMS, IRGB: 1mA; (7)CPO Short-Circuit Duration: Indefinite; (8)Operating Temperature Range: –40 to 85℃; (9)Storage Temperature Range: –65 to 125℃.
Features
LTC3206E features: (1)Step-Up/Direct-Connect Fractional Charge Pump Provides Up to 92% Efficiency; (2)Up to 400mA Continuous Output Current; (3)Independent Current and Dimming Control for 1-6 LED MAIN, 1-4 LED SUB and RGB LED Displays; (4)LED Currents Programmable Using 2-Wire I2C Serial Interface; (5)1% LED Current Matching; (6)Low Noise Constant Frequency Operation*; (7)Minimal Component Count; (8)Automatic Soft-Start Limits Inrush Current; (9)16 Exponentially Spaced Dimming States Provides 128:1 Brightness Range for MAIN and SUB Displays; (10)Up to 4096 Color Combinations for RGB Display; (11)Low Operating Current: IVIN = 180μA; (12)Tiny, Low Profile 24-Lead (4mm × 4mm × 0.75mm) QFN Package.
Diagrams
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 LTC3206EUF |
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IC LED DRVR WT/RGB BCKLGT 24-QFN |
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LTC3206EUF#PBF |
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IC LED DRVR WT/RGB BCKLGT 24-QFN |
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LTC3206EUF#TR |
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IC LED DRVR WT/RGB BCKLGT 24-QFN |
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LTC3206EUF#TRPBF |
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IC LED DRVR WT/RGB BCKLGT 24-QFN |
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