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Dimming Control I2C;PWM;PWM-to-Analog
Products ▶ LED Drivers ▶ Backlight LED Drivers ▶ RT4539
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Dimming Control I2C;PWM
Products ▶ LED Drivers ▶ Backlight LED Drivers ▶ RT4539A
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RT4503 supports PWM-Analog dimming, while RT4503A supports 32 step pulse dimming
About Richtek ▶ Product Newsletters ▶ Newsletter Issue 6
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4 EN Enable Control Input (PWM Dimming
https://www.richtek.com/assets/product_file/RT4533=RT4533A/DS4533A-02.pdf
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also be easily filtered into analog dimming signal for noise-free PWM dimming by the low pass filter with an
Products ▶ LED Drivers ▶ Backlight LED Drivers ▶ RT8464
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Switch Wide Range for PWM Dimming (100Hz to 200kHz) Minimize the External
https://www.richtek.com/assets/product_file/RT9293/DS9293-04.pdf
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with Accuracy ±3% and Matching ±2% Dimming Controls Direct PWM Dimming up to 20kHz and Minimum On-Time to 400ns PWM to Analog Dimming up to 20kHz with 9-bit Resolution PWM
https://www.richtek.com/assets/product_file/RT4539/DS4539-01.pdf
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a flag output is vailable to indicate fault conditions to the local USB controller
Design Support ▶ Design Reference ▶ EVB_RT9742AGJ5F
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Switch Wide Range for PWM Dimming (100Hz to200kHz) Minimize the External
https://www.richtek.com/assets/product_file/RT4526/DS4526-02.pdf
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,6-String 43V White LED Driver with Boost Regulator, Wide Input Voltage : VIN 2.5V to 24V, High Output Voltage : VOUT up to 43V, Programmable Full Channel Current from 5mA to 50mA and Matched to 2%, Channel Current Regulation with ±3% Accuracy, Dimming Controls► Direct PWM Dimming up to 20kHz and Minimum On-Time to 500ns► PW...
Products ▶ LED Drivers ▶ Backlight LED Drivers ▶ RT8532
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