UDN2879 Datasheet | Allegro MicroSystems

FEATURES I Output Currents to 4 A I Output Voltages to 80 V I Loads to 1280 W I TTL, DTL, or CMOS patible Inputs I Internal Clamp Diodes I Plastic Single In-Line Package I Heat-Sink Tab ABSOLUTE MAXIMUM RATINGS at +25°C Free-Air Temperature for any driver (unless otherwise noted) Output Voltage, VCEX (UDN2878W) - - - . 50 V (UDN2879W & UDN2879W-2) . . 80 V Output Current, l C (UDN2878W & UDN2879W) . . . 5.0 A (UDN2879W-2) - - . . . 4.0 A Input Voltage, VIN - - - . 15 V Input Current, IIN - - - 25 m A Supply Voltage, VS - - - 10 V Total Package Power Dissipation, PD - - - - See Graph Operating Ambient Temperature Range, TA - - - . -20°C to +85°C Storage Temperature Range, TS - - - -55°C to +150°C Always order by plete part number: Part Number UDN2878W UDN2879W UDN2879W-2 Max. IC 5.0 A 5.0 A 4.0 A Max. VCEX 50 V 80 V 80 V Min. VCE (sus) 35 V 50 V 50 V 2878 AND 2879 QUAD HIGH-CURRENT DARLINGTON SWITCHES ALLOWABLE PACKAGE POWER DISSIPATION IN WATTS RθJT = 2.0°C/W 3.0°C/W HEAT SINK RθJA = 5.0°C/W 12°C/W HEAT SINK RθJA = 14°C/W FREE AIR, R θJA = 38°C/W 0 25 50 75 100 TEMPERATURE IN °C 125 150 Dwg. GP-012B PARTIAL SCHEMATIC One of 4 Drivers Dwg. No. A-12,037 NOTE: Pin 3 must be connected to ground for proper operation. 115 Northeast Cutoff, Box 15036 Worcester, Massachusetts 01615-0036 (508) 853-5000 Copyright © 1983, 2000 Allegro Micro Systems, Inc. 2878 AND 2879 QUAD HIGH-CURRENT DARLINGTON SWITCHES ELECTRICAL CHARACTERISTICS at VS = 5.0 V, TA = +25°C (unless otherwise...