UDN2878
UDN2878 is QUAD HIGH-CURRENT DARLINGTON SWITCHES manufactured by Allegro MicroSystems.
- Part of the UDN2879 comparator family.
- Part of the UDN2879 comparator family.
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
Always order by plete part number:
Part Number UDN2878W
Max. IC Max. VCEX
5.0 A
50 V
UDN2879W
5.0 A
80 V
UDN2879W-2 4.0 A
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
8 3.0°C/W HEAT SINK RθJA = 5.0°C/W
12°C/W HEAT SINK RθJA = 14°C/W
0 25
FREE AIR, R θJA = 38°C/W
TEMPERATURE IN °C
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 noted).
Characteristic Output Leakage Current
Symbol...
