Update: 30 September, 2023
The SN75468 is a high voltage, high current Darlington transistor array. Each 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 each Darlington pair is 500 mA. The Darlington pairs may 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. The SN75468 has a 2700-Ω series base resistor for each Darlington pair for operation directly with TTL or 5-V CMOS. The SN75469 has a 10.5-kΩ series base resistor to allow its operation directly with CMOS or PMOS that use supply voltages of 6 to 15 V. The required input current is below that of the SN75468.
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MD5 Checksum: 250782837781F18B33AC68CDD1D42EBB
Publication date: 02 May, 2012
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PDF Link: TEXAS INSTRUMENTS SN75468/SN75469 Manual PDF