Update: 01 October, 2023
The ULN2001A is obsolete and is no longer supplied. This is a document about ULN2001A, ULN2002A, ULN2003A, ULN2004A, ULQ2003A and ULQ2004A. They are high-voltage, high-current Darlington transistor arrays. Each array consists of seven npn Darlington pairs that feature high-voltage outputs with common-cathode clamp diodes for switching inductive loads. The collector-current rating of a single Darlington pair is 500 mA. The Darlington pairs can be paralleled for higher current capability. Applications include relay drivers, hammer drivers, lamp drivers, display drivers (LED and gas discharge), line drivers, and logic buffers.
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MD5 Checksum: A9B0DB238A3FAABF7D2CEC65C6CDD229
Publication date: 28 March, 2012
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PDF Link: TEXAS INSTRUMENTS ULN2001A/ULN2002A/ULN2003A/ULN2004A/ULQ2003A/ULQ2004A Manual(2) PDF