2559

2559 UDx2559B PROTECTED QUAD POWER DRIVER Providing improved output current limiting, the UDK, UDN, and UDQ2559B, EB, and LB quad power drivers combine AND logic gates and high-current bipolar outputs with complete output protection. Each of the four outputs will sink 700 mA in the on state. The outputs have a minimum breakdown voltage (load dump) of 60 V and a sustaining voltage of 40 V. The inputs are compatible with TTL and 5 V CMOS logic systems. Over-current protection for each channel has been designed into these devices and is activated at approximately 1 A. It protects each output from short circuits with supply voltages up to 25 V. When an output current trip point is reached, that output stage is driven linearly resulting in a reduced output current level. If an over-current or shortcircuit condition continues, the thermal-limiting circuits will first sense the rise in junction temperature and then the rise in chip temperature, further decreasing the output current. Under worst-case conditions, these devices will tolerate short circuits on all outputs, simultaneously. These devices can be used to drive various loads including incandescent lamps (without warming or limiting resistors) or inductive loads such as relays, solenoids, or dc stepping motors. The packages offer fused leads for enhanced thermal dissipation. Package B is a 16-pin power DIP with exposed tabs, EB is a 28-lead power PLCC, and LB is a 16-lead power wide-body SOIC for surfacemount applications. The lead (Pb) free versions have 100% matte tin leadframe plating. Data Sheet 29317.14F OUT4 K OUT3 GROUND GROUND OUT2 K OUT1 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 IN 4 IN3 ENABLE GROUND GROUND V CC IN 2 IN 1 Dwg. PP-017-1 ABSOLUTE MAXIMUM RATINGS at TA = 25°C Output Voltage, VOUT . . . . . . . . . 60 V Over-Current Protected Output Voltage, VOUT . . . . . . . . . . . . . . . . . . . 25 V Output Current, IOUT . . . . . . . . . 1.0 A* Supply Voltage, VCC . . . . . . . . . . 7.0 V Input Voltage, VIN or VEN . . . . . . 7.0 V Package Power Dissipation, PD . . . . . . . . . . . . . . . . See Graph Operating Temperature Range, TA Prefix ‘UDK’ . . . . -40°C to +125°C Prefix ‘UDN’ . . . . . -20°C to +85°C Prefix ‘UDQ’ . . . . . -40°C to +85°C Storage Temperature Range, TS . . . . . . . . . . . . -55°C to +150°C *Outputs are peak current limited at approximately 1.0 A per driver. See Circuit Description and Application for further information. FEATURES ■ ■ ■ ■ ■ ■ 700 mA Output Current per Channel Independent Over-Current Protection for Each Driver Thermal Protection for Device and Each Driver Low Output-Saturation Voltage Integral Output Flyback Diodes TTL and 5 V CMOS Compatible Inputs 2559 PROTECTED QUAD POWER DRIVER Selection Guide Part Number Pb-free Package Ambient Temperature (°C) UDN2559B UDN2559B-T UDN2559EB UDN2559EB-T UDN2559LB UDN2559LB-T UDQ2559B UDQ2559B-T UDQ2559LB UDQ2559LB-T UDK2559B UDK2559B-T UDK2559EB UDK2559EB-T UDK2559LB UDK2559LB-T – Yes – Yes – Yes – Yes – Yes – Yes – Yes – Yes 16-pin DIP, exposed tabs 16-pin DIP, exposed tabs 28-lead PLCC 28-lead PLCC 16-lead SOIC 16-lead SOIC 16-pin DIP, exposed tabs 16-pin DIP, exposed tabs 16-lead SOIC 16-lead SOIC 16-pin DIP, exposed tabs 16-pin DIP, exposed tabs 28-lead PLCC 28-lead PLCC 16-lead SOIC 16-lead SOIC –20 to 85 –40 to 85 –40 to 125 UDx2559LB OUT 4 K OUT 3 GROUND GROUND OUT 2 K OUT 1 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 IN 4 IN 3 ENABLE GROUND GROUND V CC IN 2 IN 1 Dwg. PP-017-6 115 Northeast Cutoff, Box 15036 Worcester, Massachusetts 01615-0036 (508) 853-5000 1 1 2559 PROTECTED QUAD POWER DRIVER FUNCTIONAL BLOCK DIAGRAM (1 of 4 Channels) V CC K ENABLE IN N THERMAL LIMIT OUTN