ULN2003LVPWR Discrete Semiconductor Products

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The ULN2003LVPWR is a high-performance, specialized array of bipolar transistors or BJTs. This array of transistors is extremely versatile and incredibly reliable in a broad range of applications. ULN2003LVPWR can provide both low-side and high-side switching, making it the go-to system for many applications.

ULN2003LVPWR applications are generally within industrial control, automotive, and medical systems. Typically, ULN2003LVPWR provides the high/low side switching, logic level conversion from low to high, and current sink and source functions for power transistors, actuators, and relays.

The ULN2003LVPWR package consists of 8 inverting Darlington drivers that operate from a single power supply. Every Darlington driver contains an NPN Darlington connected to a corresponding PNP Darlington. The device features common-emitter open collector outputs for easy switching of the load using an external power transistor.

The ULN2003LVPWR also has built-in protection features. The device can withstand up to 50V peak voltage spikes at the input pins and includes built-in clamps to protect the outputs from voltage spikes. The ULN2003LVPWR is also capable of reverse battery protection, as well as thermal overload protection.

The ULN2003LVPWR\'s working principle is simple and straightforward. When an input is on, then the corresponding output is turned on, and vice versa. When the input is off, the output remains off. The ULN2003LVPWR can handle up to 500mA of current and has diodes for connection of external relays.

The ULN2003LVPWR has numerous advantages and features that make it an ideal choice for many applications. It has a low input current requirement, low power dissipation, wide operating voltage range, low output noise, and can operate at frequencies of up to 30kHz.

In addition, the ULN2003LVPWR has excellent thermal performance. It is built in an encapsulated plastic housing with metal tabs for heat dissipation, allowing it to dissipate up to 4W of power without issue. The ULN2003LVPWR also has a temperature range of -40°C to +125°C.

The ULN2003LVPWR is an incredibly versatile and reliable array of transistors that are well-suited for a wide range of applications. Its simple working principle and unique features make it an ideal choice for industrial control, automotive, and medical systems.

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