34844 Datasheet - NXP

34844 10 Channel LED Backlight Driver

of each pin can be found in the Functional Pin Description section beginning on page 13. Table 2. 34844 Pin Definitions Pin Number Pin Name Pin Function Formal Name Definition 1 2 3 4 5 6 7 8 - 17 18 VIN PGNDB SWB SWA PGNDA A0/SEN EN I0-I9 Power Power Input Input Power Input Input Input FAIL .

Freescale Semiconductor Technical Data 10 Channel LED Backlight Driver with Integrated Power Supply Document Number: MC34844 Rev. 10.0, 8/2014 34844 The 34844 is a SMARTMOS high efficiency, LED driver for use in backlighting LCD displays from 10" to 20"+. Operating from supplies of 7.0 to 28 V, the MC34844 is capable of driving up to 160 LEDs in 10 parallel strings. Current in the 10 strings is matched to within 2%, and can be programmed via the I2C/SM Bus interface. The 34844 also includes .

34844 Features

* LED overtemperature protection, LED short protection, and LED open circuit protection. The IC includes overvoltage protection, overcurrent protection, and undervoltage lockout. LED DRIVER EP SUFFIX (PB-FREE) 98ASA10800D 32-PIN QFN-EP Applications

* Monitors and HDTV - up to 42 inch

34844 Datasheet (921.16 KB)