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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ULN Datasheet(PDF) – STMicroelectronics

No commitment taken to design or produce NRND: Clovis We are on Google Clovis. Marketing proposal for customer feedback. Product is datsheet volume production only to support customers ongoing production. Support Center Video Center. Distributor Name Region Stock Min. The versions interface to all common logic families: Communications Equipment, Computers and Peripherals.

Product is in volume production. Resources Technical Documentation Product Specifications.

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Product is in design stage Target: General terms and conditions. Menu Products Explore our product portfolio. These versatile devices are useful for driving a wide range of loads including solenoids, relay DC motors, LED display filament datasneet, thermal printheads and high-power buffers.


Previous Diagrams and Schematics Service Manuals. ST Code of Conduct Blog. Product is in design feasibility stage. 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 dztasheet continuous load current of up to mA for each of its outputs. Not Recommended for New Design.

Proxima How to Build a Radio Telescope. 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 pins 7 LEDs light up their channels in sequence.

Product is under characterization. Support Center Complete list and gateway to support services and resource pools. Buy Direct Add to datashete. Product is in volume production 0. Who We Are Management. Computers and Peripherals Data Center. Please contact our sales support for information on specific devices.


We use cookies to ensure you have the best experience on our website. Each channel is rated at mA and can withstand peak currents of mA. This water level indicator with ULN is very simple and requires few electronic components. Responsibility Site – Privacy Policy. IoT for Smart Things. 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.


Suppression diodes are included for inductive load driving and the inputs are pinned opposite the outputs to simplify board layout. If you continue to use this site, let’s assume that you agree. Media Subscription Media Contacts. Limited Engineering samples available Preview: Product is in volume production Evaluation: This is a very simple indicator of the level of electronic liquid, it uses CMOS integrated circuit ULN, which is composed of 7 channel matrix using transistors in Darlington as seen above.

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.

No availability reported, please contact our Sales office. Each channel can have a working stream mA and withstand surges of mA. No commitment taken to produce Proposal: Selectors Simulators and Models.

The power supply can be between 9 E Volts 12 Volts and the current can be less than 1 Ampere.