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ULN2003AIPW
Efficient Power Distribution Solution with ULN2003AIPWULN2003AIPW
Efficient Power Distribution Solution with ULN2003AIPW
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Manufacturer Part # : ULN2003AIPW
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Package/Case: TSSOP (PW)-16
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Brand: Texas Instruments
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Product Categories : Power Distribution Switches, Load Drivers
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Service & Packaging
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Initiate the application within 90 days from the shipment date.
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ULN2003AIPW DataSheet
Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!
Details
Featuring a collector-current rating of 500 mA per Darlington pair, the ULN2003AIPW is well-suited for driving demanding loads with ease. Its compatibility with TTL and 5-V CMOS devices further enhances its usability in different circuit configurations. The inclusion of a 2.7 kΩ series base resistor for each Darlington pair simplifies the design process and ensures reliable performance in various applications
Key Features
- Improved Load Regulation
- Enhanced Isolation
- Simplified Protection Circuits
- Increased Power Conversion
Application
- ULN2003AIPW: reliable and powerful
- Control motors with ease
- Ideal for both automotive and industrial use
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
| Drivers per package | 7 | Switching voltage (max) (V) | 50 |
| Output voltage (max) (V) | 50 | Peak output current (A) | 0.5 |
| Delay time (typ) (ns) | 250 | Input compatibility | CMOS, TTL |
| Vol at lowest spec current (typ) (mV) | 900 | Iout/ch (max) (mA) | 500 |
| Iout_off (typ) (µA) | 50 | Rating | Catalog |
| Operating temperature range (°C) | -40 to 105 | FET | Internal |
| Imax (A) | 0.5 | Device type | Low-side switches |
| Function | Automotive load dump compatibility, Inductive load compatibility |
Specification Comparison
Datasheet PDF
Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.
FAQs
What is ULN2003AIPW?
The ULN2003AIPW is a high-voltage, high-current Darlington transistor array integrated circuit designed by STMicroelectronics. It is commonly used to interface low-level logic signals with high-power loads in applications such as stepper motor driving, relay drivers, and LED displays.
How Does ULN2003AIPW Work?
The ULN2003AIPW consists of seven Darlington transistor pairs with integrated clamp diodes for inductive load protection. Each pair can be used to drive high-current loads with minimal input current requirement. By providing a low-resistance path between the load and the driver, the ULN2003AIPW effectively switches the load on and off according to the input signals.
How Many Pins does ULN2003AIPW have and What are the Functions of the Pinout Configuration?
The ULN2003AIPW is housed in a 16-pin SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:
- COM: Common connection for the emitter of each Darlington pair.
- IN1-IN7: Input pins for each of the seven Darlington pairs.
- OUT1-OUT7: Output pins for each of the corresponding Darlington pairs.
- GND: Ground reference pin.
- VCC: Positive supply voltage pin.
What are the Pros and Cons of ULN2003AIPW?
Pros:
- High-Voltage Capability: Can handle high voltage and current loads, making it suitable for driving a variety of high-power devices.
- Darlington Configuration: Utilizes Darlington transistor pairs for high current gain and efficient switching.
- Inductive Load Protection: Integrated clamp diodes protect against voltage spikes generated by inductive loads.
- Easy Interface: Simplifies the connection between low-level logic signals and high-power loads.
- Compact Package: The 16-pin SOIC package is space-efficient and easy to solder onto a PCB.
Cons:
- Power Dissipation: May generate heat when driving high current loads, requiring proper heat sinking.
- Complexity: Requires understanding of inductive load behavior and protection mechanisms for reliable operation.
- Cost: Higher cost compared to basic transistor solutions due to integrated features.
Are There Any Equivalents/Alternatives to ULN2003AIPW for Recommendation?
- The ULN2803A from STMicroelectronics is a similar Darlington transistor array IC with eight channels.
- Alternatives to the ULN2003AIPW include the MC1413 from ON Semiconductor and the TD62783 from Toshiba.
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