DESCRIPTION. The ULNA, ULNA, ULN and. ULNA are high voltage, high current darlington arrays each containing seven open collector. The UTC ULN are high-voltage, high-current darlington drivers comprised of seven NPN darlingto pairs. All units feature integral clamp diodes for switching. For V (otherwise interchangeable) versions of the ULxA devices, see the SLRS data sheet for the SN and SN devices. The ULNA .

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Product is in volume production Evaluation: Product is under characterization. Distributor Name Region Stock Min.

ST Code of Conduct Blog. Often used with Arduino to manage stepper motors and to interface between low-level logic circuitry and multiple power loads peripheral, the high-voltage and high-currentDarlington arrays are showing a continuous load current of up to mA for each of its outputs. Limited Engineering samples available Preview: Selectors Simulators and Daatasheet.

Product is in design feasibility stage. No availability reported, please contact our Sales office. The operation is simple, and increasing the level of water in the tank, water comes into contact with the ends P1 to P7 and so, cause the catasheet 7 LEDs light up their channels in sequence.


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Each channel can have a working stream mA and withstand surges of mA. Who We Are Management. These versatile devices are useful for driving a wide range of loads including solenoids, relay DC motors, LED display filament lamps, thermal printheads and high-power buffers.

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Please contact our sales support for information on specific devices. This water level indicator with ULN is very simple and requires few electronic components. If you continue to use this site, let’s assume that you agree. Resources Technical Documentation Product Specifications. World conference atingir of P7, the last pin and is at the highest level, a BZ1 buzzer is triggered to warn that the maximum level has been reached.

Product is in design stage Target: No commitment taken to produce Proposal: Computers and Peripherals Data Center.

ULN Datasheet(PDF) – STMicroelectronics

We use cookies to ensure you have the best experience on our website. Media Subscription Media Contacts. The versions interface to all common logic families: Menu Products Explore our product portfolio. IoT for Smart Things. Support Center Complete list and gateway to support services and resource pools. The power supply can be between 9 E Volts 12 Volts and the current can be less than 1 Ampere. Each channel is rated at mA and can withstand peak currents of mA. General terms and conditions.


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Product is in volume production only to support customers ongoing production. No commitment taken to design or produce NRND: We can put in place the buzzer and a relay with a few adjustments we can make the circuit on and off a water pump automatically.