ULN2065B Quad Darlington Switch 80V 1.5A PDIP-16

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ULN2065B Quad Darlington Switch 80V 1.5A PDIP-16 Designed to interface logic to a wide variety of high current, high voltage loads, these devices each contain four NPN Darlington switches delivering up to 1.5 A with a specified minimum breakdown of 50 V and a sustaining voltage of 35 V measured at 100 mA. Inputs of the ULN2065B are compatible with popular 5V logic families. Features Output current to 1.5A for each Darlington. Minimum breakdown 80V. Sustaining voltage at least 35V. Integral suppression diodes. Versions compatible with all popular logic families. PINOUT Pin No. Symbol Description 1 K Clamp diode common cathode (connect to the load supply/positive rail for inductive load suppression). 2 C Collector (output) — switched connection to common emitter/ground when channel is ON. 3 B Base input (logic control input for the corresponding Darlington channel). 4 GND Common emitter / ground connection (tie to PCB ground and recommended heatsink copper area). 5 GND Common emitter / ground connection. 6 B Base input (logic control input for the corresponding Darlington channel). 7 C Collector (output) — switched connection to common emitter/ground when channel is ON. 8 K Clamp diode common cathode (same as pin 1, diode connection for inductive load suppression). 9 C Collector (output) — switched connection to common emitter/ground when channel is ON. 10 NC No connection (not internally used). 11 B Base input (logic control input for the corresponding Darlington channel). 12 GND Common emitter / ground connection. 13 GND Common emitter / ground connection. 14 B Base input (logic control input for the corresponding Darlington channel). 15 NC No connection (not internally used). 16 C Collector (output) — switched connection to common emitter/ground when channel is ON. Specifications Symbol Parameter Value Unit V CEX Output voltage 80 V V CE(SUS) Output sustaining voltage 50 V I O Output current 1.75 A V I Input voltage 15 V I I Input current 25 mA V S Supply voltage for ULN2068B 10 V P TOT Power dissipation at T PINS = 90 °C 4.3 W Power dissipation at T AMB = 70 °C 1 T AMB Operating ambient temperature range -20 to 85 °C T STG Storage temperature -55 to 150 °C Applications Low-side switching of relays, solenoids, motors and stepper coils in industrial and hobby circuits. Driving lamps, LED arrays and indicator banks from microcontroller or logic outputs. Interfacing between 5V logic and higher-voltage actuators in automation and control panels. Relay and coil drivers in telecom, security and building-control systems. Prototyping and repair of legacy boards that use Darlington arrays for power switching. Package Contents 1x ULN2065B Quad Darlington Switch 80V 1.5A PDIP-16. Documents Datasheet ULN2065B CAD Files Download