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A2987 - Eight-channel Source Driver With Over-current Protection

Description

As with all power integrated circuits, the UDN2987A and UDN2987LW have a maximum allowable output current rating.

The 500 mA rating does not imply that operation at that value is permitted or even obtainable.

Features

  • s s s s s s s 350 mA Output Source Current Over-Current Protected Internal Ground Clamp Diodes Output Breakdown Voltage 35 V, Minimum TTL, DTL, PMOS, or CMOS Compatible Inputs Internal Thermal Shutdown Automotive Capable Always order by complete part number: Part Number UDN2987A UDN2987LW Package 20-Pin DIP 20-Lead Wide-Body SOIC 2987 8-.

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Datasheet Details

Part number A2987
Manufacturer Allegro Micro Systems
File Size 117.38 KB
Description Eight-channel Source Driver With Over-current Protection
Datasheet download datasheet A2987 Datasheet

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Full PDF Text Transcription

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2987 Providing over-current protection for each of its eight sourcing outputs, the UDN2987A and UDN2987LW drivers are used as an interface between standard low-level logic and relays, motors, solenoids, LEDs, and incandescent lamps. The device includes thermal shutdown and output transient protection/clamp diodes for use with sustaining voltages to 35 V. 8-CHANNEL SOURCE DRIVER WITH OVER-CURRENT PROTECTION IN 1 IN 2 IN 3 IN 4 IN 5 IN 6 IN 7 IN 8 FAULT OE/R 1 2 3 4 5 6 7 8 9 OE x8 OEN FF Data Sheet 29310.4B* 20 19 18 17 16 15 14 13 12 SENSEN OUT 1 OUT 2 OUT 3 OUT 4 OUT 5 OUT 6 OUT 7 OUT 8 GROUND V S In these drivers, each channel includes a latch to turn OFF that channel if the maximum channel current is exceeded. All channels are disabled if the thermal shutdown is activated.
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