ISL97632 - Renesas

ISL97632 LED Driver

ISL97632 LED Driver with 1-Wire Dimming NROETCROEMCMOEMNMDEENDDREEDPFLOARCENMEWENDTEPSAIGRNTS ISL97634 DATASHEET FN9239 Rev 4.00 March 22, 2010 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 dynam.

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 spe.