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| 2596 AND 2597 8-CHANNEL SATURATED SINK DRIVERS 2596 AND 2597 8-CHANNEL SATURATED SINK DRIVERS Low output-saturation voltages at high load currents are provided by UDN2596A and UDN2597A sink driver ICs. These devices can be used as interface buffers between standard low-power digital logic (particularly MOS) and high-power loads such as relays, solenoids, stepping motors, and LED or incandescent displays. The eight saturated sink drivers in each device feature high-voltage, high-current open-collector outputs. Transient suppression clamp diodes and a minimum 35 V output sustaining voltage allow their use with many inductive loads. The saturated (non-Darlington) NPN outputs provide low collectoremitter voltage drops as well as improved turn-off times due to an active pull-down function within the output predrive section. The UDN2596A is for use with output loads to 500 mA while the UDN2597A is for use with loads to 1 A. Adjacent outputs may be paralleled for higher load currents. Inputs require very low input current and are activated by a low logic level consistent with the much greater sinking capability associated with NMOS, CMOS, and TTL logic. The UDN2596A and UDN2597A are rated for use with 5 V logic levels. Data Sheet 29320.2B Dwg. No. W-100 Both devices are furnished in 20-pin DIP packages with copper leadframes for improved thermal characteristics. The UDN2596A is also available for operation between -40C and +85C. To order, change the prefix from `UDN' to `UDQ'. FEATURES ABSOLUTE MAXIMUM RATINGS at TA = + 25C OutputVoltage,VCE ................................ 50 V Output Current, IOUT (UDN2596A) ............................ 500 mA (UDN2597A) ................................ 1.0 A Supply Voltage, VCC ............................ 7.0 V Input Voltage, VlN ................................. 7.0 V Package Power Dissipation, PD ............................................. 2.27 W* Operating Temperature Range, TA ................................. -20C to +85C Storage Temperature Range, TS .............................. - 65C to +150C *Derate at the rate of 18.2 mW/C above TA = +25C s s s s s Non-Inverting Function Low Output ON Voltages Up to 1.0 A Sink Capability 50 V Min. Output Breakdown Output Transient-Suppression Diodes s Output Pull-Down for Fast Turn-Off s TTL, CMOS Compatible Inputs s Automotive Capable ONE OF EIGHT DRIVERS Dwg. No. W-101 2596 AND 2597 8-CHANNEL SATURATED SINK DRIVERS ELECTRICAL CHARACTERISTICS at TA = +25C, VCC = 5.0 V Limits Characteristics Output Leakage Current Output Sustaining Voltage Symbol ICEX VCE(sus) Applicable Devices Both UDN2596A UDN2597A Output Saturation Voltage VCE(SAT) UDN2596A UDN2597A Clamp Diode Leakage Current Clamp Diode Forward Voltage IR VF Both UDN2596A UDN2597A Logic lnput Current IlN(0) UDN2956A UDN2597A IlN(1) Supply Current ICC(ON) Both UDN2596A UDN2597A ICC(OFF) UDN2596A UDN2597A Turn-On Delay Turn-Off Delay tpd0 tpd1 Both Both Test Conditions VOUT = 50 V, VIN = 2.4 V lOUT = 300 mA, L = 2 mH lOUT = 750 mA, L = 2 mH lOUT = 300 mA lOUT = 750 mA VR = 50 V IF = 300 mA IF = 750 mA VIN = 0.8 V VIN = 0.8 V VIN = 2.4 V any one driver VIN = 0.8 V any one driver VIN = 0.8 V all drivers VIN = 2.4 V all drivers VIN = 2.4 V 0.5 EIN to 0.5 E OUT 0.5 EIN to 0.5 E OUT Min. -- 35 35 -- -- -- -- -- -- -- -- -- -- 0.75 0.75 -- -- Max. 10 -- -- 0.5 1.0 10 1.8 1.8 -15 -50 10 6.0 31 1.3 15 3.0 2.0 Units A V V V V A V V A A A mA mA mA mA s s TYPICAL APPLICATION DUAL STEPPER MOTOR DRIVE RECOMMENDED OPERATING CONDITIONS Type Number UDN2596A UDN2597A Logic 5.0 V 5.0 V IOUT 300 mA 750 mA Note: Pins 2 and 12 must both be connected to power ground. 115 Northeast Cutoff, Box 15036 Worcester, Massachusetts 01615-0036 (508) 853-5000 Copyright (c) 1984, 1999, Allegro MicroSystems, Inc. 2596 AND 2597 8-CHANNEL SATURATED SINK DRIVERS Dimensions in Inches (controlling dimensions) 0.014 0.008 20 11 0.430 0.280 0.240 MAX 0.300 BSC 1 0.070 0.045 0.100 1.060 0.980 BSC 10 0.005 MIN 0.210 MAX 0.015 MIN 0.150 0.115 0.022 0.014 Dwg. MA-001-20 in Dimensions in Millimeters (for reference only) 20 11 0.355 0.204 10.92 7.11 6.10 MAX 7.62 BSC 1 1.77 1.15 2.54 26.92 24.89 BSC 10 0.13 MIN 5.33 MAX 0.39 MIN 3.81 2.93 0.558 0.356 NOTES: 1. Exact body and lead configuration at vendor's option within limits shown. 2. Lead spacing tolerance is non-cumulative. 3. Lead thickness is measured at seating plane or below. Allegro MicroSystems, Inc. reserves the right to make, from time to time, such departures from the detail specifications as may be required to permit improvements in the Dwg. MA-001-20 mm design of its products. The information included herein is believed to be accurate and reliable. However, Allegro MicroSystems, Inc. assumes no responsibility for its use; nor for any infringements of patents or other rights of third parties which may result from its use. 2596 AND 2597 8-CHANNEL SATURATED SINK DRIVERS POWER SINK DRIVERS SELECTION GUIDE IN ORDER OF 1) OUTPUT CURRENT, 2) OUTPUT VOLTAGE, 3) NUMBER OF DRIVERS Output Ratings * mA 100 Features Serial Latched Diode Saturated Input Drivers Clamp Outputs - - - X X X - - X X - X - - X - Hall Sensor/Driver X - - - X - - - X - - - X X Hall Sensor/Driver - X - - X X - - X - - - X - - X X - - - X - - - X - - X X - X X - - X X - - X X X - X X X - - - X - - - X - Dual 4 to 14-Line Decoder/Driver - - - - X - - X X - - X X - - X X Hall Sensor/Driver X X Hall Sensor/Driver X X Stepper Motor Controller/Driver MOS Microstepping Controller/Driver MOS Stepper Motor Translator/Driver - - - X - - - X - X X - - - - X - - - X - Stepper Motor Controller/Driver MOS Microstepping Controller/Driver MOS - - X - - - X - Internal Protection - - - - X - - - - X - - - - - - - - - - - - - X X X - X X - - X - - X - - - - - - V 20 30 40 135 45 50 50 50 60 60 95 95 50 50 50 50 50 80 50 80 95 95 30 60 60 60 50 14 26 46 46 50 50 80 50 50 50 46 46 50 80 # 8 32 32 7 1 7 8 8 2 4 7 8 4 7 8 8 8 8 8 8 7 8 28 4 4 4 8 2 2 4 4 4 4 4 9 4 4 4 4 4 4 Part Number 2595 5833 5832 7003 5140 2003 2803 2596 5275 2557 2023 2823 5800 2004 2804 5801 5821 5822 5841 5842 2024 2824 6817 2547 2549 2543 and 2559 2597 3625 3626 7024 and 7029 7042 5804 2064 and 2068 2065 and 2069 5829 2544 2540 7026 7044 2878 2879 250 300 350 450 600 700 750 900 1000 1200 1250 1500 1600 1800 3000 4000 * Current is maximum specified test condition, voltage is maximum rating. See specification for sustaining voltage limits or over-current protection voltage limits. Complete part number includes additional characters to indicate operating temperature range and package style. 115 Northeast Cutoff, Box 15036 Worcester, Massachusetts 01615-0036 (508) 853-5000 |
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