BU2879AK

Series: -
Mounting Type: Surface Mount
Package / Case: 44-QFP
Packaging: Tape & Reel (TR)
Manufacturer: Rohm Semiconductor
Interface: 3-Wire Serial
Voltage - Supply: 4.5 V ~ 5.5 V
Supplier Device Package: 44-QFP
Display Type: Vacuum Fluorescent (VF)
Current - Supply: 5mA
Configuration: 16 Segments
Digits or Characters: 8 Character
Operating Temperature: -25°C ~ 75°C


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.


Application

VCRs


Specifications

Parameter	Symbol	Limits	Unit
Applied voltage 1	VDD	0.3 ~ + 7.0	V
Applied voltage 2	VEE	VDD + 0.3 ~ VDD 35	V
Input voltage	VIN	0.3 ~ VDD + 0.3	V
Power dissipation	Pd	850	mW
Operating temperature	Topr	-25~+85
Storage temperature	Tstg	-55~+125

Note) Operation is not guaranteed at these values.
Note) Power dissipation is reduced by 8.5mW for each increase in Ta of 1°C over 25°C.
         When mounted on a 70 `  70 `  1.6mm glass epoxy board


Description

The BU2879AK is a driver IC for fluorescent displays. BU2879AK 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 BU2879AK is equipped with a key scanning function, and general-purpose input pins, and is ideal for front panels in VTRs and other equipment. A serial interface allows functions to be controlled from a microcomputer.


Parameters:

Technical/Catalog Information	BU2879AK
Vendor	Rohm Semiconductor
Category	Integrated Circuits (ICs)
Package / Case	44-QFP
Digits or Characters	8 Character
Configuration	16 Segments
Display Type	Vacuum Fluorescent (VF)
Interface	3-Wire Serial
Packaging	Tape & Reel (TR)
Current - Supply	5mA
Voltage - Supply	4.5 V ~ 5.5 V
Operating Temperature	-25°C ~ 75°C
Drawing Number	*
Lead Free Status	Lead Free
RoHS Status	RoHS Compliant
Other Names	BU2879AK BU2879AK