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ULN2803 Datasheet, PDF

Search Partnumber : Match&Start with "ULN2803" - Total : 84 ( 1/5 Page)

Manufacturer	Part #	Datasheet	Description
ON Semiconductor	ULN2803	85Kb/6P	OCTAL PERIPHERAL DRIVER ARRAYS REV 1
Unisonic Technologies	ULN2803	218Kb/7P	EIGHT DARLINGTON ARRAYS
First Components Intern...	ULN2803	235Kb/5P	High-Voltage,High-Current Darlington Arrays
Tiger Electronic Co.,Lt...	ULN2803	689Kb/6P	Octal High Voltage,High Current Darlington Transistor Arrays
Unisonic Technologies	ULN2803	208Kb/6P	EIGHT DARLINGTON ARRAYS
Unisonic Technologies	ULN2803	301Kb/6P	EIGHT DARLINGTON ARRAYS
ARTSCHIP ELECTRONICS CO...	ULN2803	343Kb/8P	8CH DARLINGTON SINK DRIVER
EVER SEMICONDUCTOR CO.,...	ULN2803	526Kb/6P	DARLINGTON ARRAY DRIVER IC Rev:2023A2
TECH PUBLIC Electronics...	ULN2803	3Mb/6P	High-current Darlington Transistor Arrays
Guangdong Youtai Semico...	ULN2803	289Kb/6P	Darlington array power driver integrated circuit
Unisonic Technologies	ULN2803-D18-T	208Kb/6P	EIGHT DARLINGTON ARRAYS
	ULN2803-S18-R	208Kb/6P	EIGHT DARLINGTON ARRAYS
	ULN2803-S18-T	208Kb/6P	EIGHT DARLINGTON ARRAYS
ON Semiconductor	ULN2803A	85Kb/6P	OCTAL PERIPHERAL DRIVER ARRAYS REV 1
Texas Instruments	ULN2803A	436Kb/12P	DARLINGTON TRANSISTOR ARRAY
Texas Instruments	ULN2803A	240Kb/10P	DARLINGTON TRANSISTOR ARRAY
STMicroelectronics	ULN2803A	267Kb/14P	Eight Darlington array 19-Nov-2012
Texas Instruments	ULN2803A	353Kb/11P	DARLINGTON TRANSISTOR ARRAY
Toshiba Semiconductor	ULN2803A	460Kb/12P	8ch Darlington Sink Driver
Allegro MicroSystems	ULN2803A	166Kb/10P	HIGH-VOLTAGE, HIGH-CURRENT DARLINGTON ARRAYS

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Brief Description of ULN2803

The ULN2803 is a high-voltage, high-current Darlington transistor array. It is commonly used as a driver for inductive loads such as relays, motors, and other solenoid-driven devices in various electronic applications. Here are some key features and specifications of the ULN2803:

Number of Channels:

The ULN2803 typically consists of eight Darlington pairs, allowing it to control up to eight separate loads.
Darlington Pair:

Each channel in the ULN2803 contains a Darlington pair configuration, which is a cascaded pair of bipolar transistors that provide high current gain.
Maximum Output Voltage:

The ULN2803 is designed to handle higher output voltages, often up to 50V.
Maximum Continuous Output Current:

Each Darlington pair can handle a continuous output current of up to 500mA, and the overall package can handle higher currents when multiple channels are used in parallel.
Clamping Diodes:

The ULN2803 includes clamping diodes to protect against voltage spikes (back-EMF) generated by inductive loads.
Input Compatibility:

The IC is designed to work with standard TTL (Transistor-Transistor Logic) and CMOS (Complementary Metal-Oxide-Semiconductor) input levels.
Applications:

Driving relays, stepper motors, solenoids, and other high-current, high-voltage loads in various electronic systems.
Common Connection:

The ULN2803 often has a common connection for each channel, simplifying the wiring for loads that share a common connection.
Open-Collector Outputs:

The outputs are open-collector, allowing flexibility in connecting external loads.
Package:

Available in different packages, such as DIP (Dual Inline Package) and SOP (Small Outline Package).
Voltage Compatibility:

Compatible with a wide range of input and output voltages, making it suitable for interfacing with different logic families and loads.

*This information is for general informational purposes only, we will not be liable for any loss or damage caused by the above information.

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