Maker : Allegro MicroSystems
Part No. : 7003

  Datasheet PDF : 7003.pdf
  Cross Reference : 7003 Cross Reference
  Buy Component : 7003 Find Stock and Price

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Product Information

7003 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 Dwg. No. A-9594 HIGH-VOLTAGE, HIGH-CURRENT DARLINGTON ARRAY Integrating seven high-voltage, high-current npn Darlingtons into a monolithic power array, the ULN7003A AND ULN7003LW are designed for interfacing between TTL or CMOS logic and a variety of peripheral loads. The seven open-collector Darlington outputs are specified for 135 V minimum breakdown and 90 V minimum sustaining. Included are integral power diodes for switching inductive loads. Typical applications include relays, lamps, print heads and hammers, solenoids, and level shifting to power discretes. The ULN7003A/LW include input current-limiting resistors compatible with the drive capabilities of TTL and (most) CMOS operating at a nominal logic supply of 5 V. Operation with 12 V CMOS may require additional input current limiting. The high sustaining voltage rating of this power array makes it ideal for inductive load applications where Zener diode flyback techniques are used. The increased flyback voltage provides a much faster inductive load turn-off current decay that is especially useful with dc stepper motors, solenoids, and print heads. Data Sheet 29304.10A Note the ULN7003A (DIP) and the ULN7003LW (SOIC) are electrically identical and share a common terminal number assignment. ABSOLUTE MAXIMUM RATINGS at TA = +25°C Output Voltage, VCEX . . . . . . . . . . . . . 135 V Output Sustaining Voltage, VCE(sus) . . . . . . . . . . . . . . . . . . . 90 V Output Current, IC . . . . . . . . . . . . . . 300 mA Package Power Dissipation, Input Current, IIN . . . . . . . . . . . . . . . . 25 mA PD . . . . . . . . . . . . . . . . . . See Graph Operating Temperature Range, Storage Temperature Range, TA . . . . . . . . . . . . . . . -20°C to +85°C TS . . . . . . . . . . . . . . - 55°C to +150°C Output current may be limited by duty cycle, number of drivers operating, ambient temperature, and heat sinking. Under any set of conditions, do not exceed the specified maximum current rating or a junction temperature of 150°C. A L S T IM, 2 T p A FEATURES Both devices are pinned with outputs opposite inputs to facilitate ease of circuit board layout. The ULN7003A is supplied in a 16-pin plastic dual in-line package with a copper lead frame to maximize device power dissipation capabilities. The ULN7003LW is furnished in a 16-lead small-outline wide-body package for surface-mount applications. E B U Y — I 135 V Minimum Output Breakdown I 90 V Minimum Sustaining Voltage I 300 mA Output Current I Internal High-Current Clamp Diodes I Logic-Compatible Inputs l2 ri 01 0 — Always order by complete part number: Part Number ULN7003A ULN7003LW Package 16-Pin DIP 16-Lead SOIC 7003 HIGH-VOLTAGE, HIGH-CURRENT DARLINGTON ARRAY ALLOWABLE PACKAGE POWER DISSIPATION IN WATTS 2.5 PARTIAL SCHEMATIC (one of seven drivers) SUFFIX 'A', R θJA = 60°C/W 2.0 COM 2.7K 1.5 1.0 7.2K SUFFIX 'LW', R = 80°C/W 3K 0.5 θJA Dwg. No. A-9651 0 25 50 75 100 125 AMBIENT TEMPERATURE IN °C 150 Dwg. GP-018B SWITCHING DELAY TEST CIRCUIT V in 50% 50% 0 A Zener diode can be used to increase the flyback voltage. This gives a much faster inductive load turnOFF current decay. The maximum Zener voltage plus the load supply voltage plus the internal diode forward voltage must not exceed the device’s rated sustaining voltage. VCC + VZ + V F t pd TURN ON t pd TURN OFF V out 50% 50% Dwg. WP-010 Vin = 3.5 V for ULN7003A OUTPUT VOLTAGE V CC V CC + V F Dwg. No. WP-010 V CE(SAT) I OUT ZENER CLAMP DIODE CLAMP V CC IC V in PULSE GENERATOR PRR = 10 kHz DC = 50% 93 Ω V out 50 Ω 50 pF OUTPUT CURRENT I CEX Dwg. WP-001 Dwg. EP-020 115 Northeast Cutoff, Box 15036 Worcester, Massachusetts 01615-0036 (508) 853-5000 Copyright © 1985, 2000 Allegro MicroSystems, Inc. 7003 HIGH-VOLTAGE, HIGH-CURRENT DARLINGTON ARRAY ELECTRICAL CHARACTERISTICS at TA = +25°C (unless otherwise noted). Characteristic Output Leakage Current Symbol ICEX Test...

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