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BU2879AK Datasheet FL tube driver

Manufacturer: ROHM

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General Description

s Pin No.

14, 38 44 7, 43 6 5 8 9 15 ~ 25 27 42 ~ 39, 37 ~ 32 26, 28 ~ 31 10 ~ 13 Pin VDD OSC VSS SI SO SCK CS S1 ~ S11 VEE G1 ~ G10 S12 / G15 S16 / G11 K1 ~ K4 ~ SW1 ~ SW4 Name Power supply pin 1 Oscillation p

Overview

Standard ICs FL tube driver BU2879AK The BU2879AK is a driver IC for fluorescent displays.

It is equipped with 26 high-voltage withstand outputs and can display from 11 segments of 15 characters to 16 segments of 8 characters.

This IC is equipped with a key scanning function, and general-purpose input pins, and is ideal for front panels in VTRs and other equipment.

Key Features

  • 1) High withstanding voltage output. 2) Display modes: 11S × 15G ~ 16S × 8G. 3) Variable display luminance (7 steps). 4) 3-wire serial interface. 5) Key scanning function (6 × 4). 6) Internal pull-down resistance (high voltage withstand output). 7) QFP 44 package.
  • Absolute maximum ratings (Ta = 25°C, V Parameter Applied voltage 1 Applied voltage 2 Input voltage Power dissipation Operating temperature Storage temperature Symbol VDD VEE VIN Pd Topr Tstg SS = 0V) Limits.

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