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ULN2803APG
+BOMToshiba
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Nhà sản xuấtToshiba
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Ông. Phần #ULN2803APG
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Description
The ULN2803APG is often used in applications like relay drivers, LED displays, and motor controllers. It is compatible with TTL and CMOS logic levels, making it versatile for different circuits. The device also includes built-in suppression diodes for inductive load protection, which is crucial for applications involving motors and relays.
Packaged typically in a 18-pin DIP (Dual In-line Package), the ULN2803APG offers ease of use and straightforward integration on breadboards and PCBs. Its robust design and wide operating temperature range make it suitable for various industrial and consumer applications.
Equivalent
1. ULN2803A: Similar functionality from various manufacturers.
2. Toshiba TD62083APG: An alternative with similar specifications.
3. Onsemi ULN2803A-D: Provides equivalent performance.
4. TI ULN2803ADWR: A Texas Instruments version with similar capabilities.
5. STMicroelectronics ULN2803A: Another compatible option.
These alternatives typically have the same pin configuration and electrical characteristics.
Features
1. High Current: Each channel can sink up to 500 mA, with a total package current limit of 2.5 A.
2. High Voltage: The output can withstand up to 50 V.
3. Input Compatibility: Designed to be compatible with TTL and 5 V CMOS logic levels.
4. Integrated Suppression Diodes: Includes common-cathode clamp diodes for protection against inductive load transients.
5. Compact Package: Available in a 18-pin DIP or 18-pin SOP package, ideal for space-constrained applications.
6. Versatile Applications: Suitable for driving a variety of loads such as relays, lamps, LEDs, and stepper motors.
Overall, the ULN2803APG is a versatile and robust solution for interfacing between low-power control circuits and high-power loads.
Pinout
- Pins 1-8: These are the input pins (IN1-IN8) that receive TTL signals. Each input controls the corresponding output.
- Pins 11-18: These are the output pins (OUT1-OUT8) designed to drive inductive loads, such as relays, solenoids, and lamps.
- Pin 9: This is the common ground (GND) pin.
- Pin 10: This pin is the common freewheeling diode connection (COM) used to connect to the supply voltage of the loads to provide flyback protection against inductive spikes.
The ULN2803APG allows for interfacing between low-current, low-voltage logic signals and higher-current, higher-voltage loads, making it ideal for various applications in electronics, such as in automation systems, displays, and motor controls.
Manufacturer
Application
1. Relay Driving: It can drive relays in industrial and consumer electronics.
2. LED and Lamp Driving: Suitable for driving LED displays or lighting systems.
3. Motor Control: Used in controlling small DC motors in robotics and automation.
4. Logic Buffering: Acts as a buffer to interface between low-power microcontroller outputs and high-power loads.
5. Solenoid Driving: Suitable for controlling solenoids in automated and mechanical systems.
6. Printer and Vending Machine Electronics: Used in controlling various actuators and indicators.
These applications leverage its capability to handle higher currents and voltages than typical microcontroller outputs.