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单总线调光led驱动器ISL97632
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The ISL97632 represents an efficient and highly integrated PWM boost LED driver that is suitable for 1.8” to 3.5” LCDs that employ 2 to 7 white LEDs for backlighting. With integrated Schottky diode， OVP， and dynamic digital dimming capability， the ISL97632 provides a simple， reliable， and flexible solution to the backlight designers. The ISL97632 features a simple 1-Wire digital interface that provides a 5-bit dimming control. The dimming signal adjusts the FB voltage and therefore the LED brightness in a DC manner in 32 linear steps. An EN pin can be used to provide a zero brightness setting or shutdown power saving function. The ISL97632 is available in the 8 Ld TDFN （2mmx3mm） package. There are 14V， 18V， and 26V OVP options that are suitable for 3， 4， and 7 LEDs （3.5V/20mA type） backlight applications respectively. The ISL97632 is specified for operation over the -40°C to +85°C ambient temperature at input voltage from 2.4V to 5.5V.
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