ULN2003ANS
Darlington Transistors 50-V, 7-ch darlington transistor array, -20C to 70C 16-SO -40 to 70ULN2003ANS
Darlington Transistors 50-V, 7-ch darlington transistor array, -20C to 70C 16-SO -40 to 70
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Manufacturer Part # : ULN2003ANS
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Package/Case: SOP-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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ULN2003ANS DataSheet
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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
For those requiring compatibility with CMOS devices operating at supply voltages between 6V and 15V, the ULx2004A devices are the ideal choice. These versions boast a 10.5-kΩ series base resistor and offer reduced input current requirements compared to the ULx2003A models, as well as a lower voltage threshold than the ULN2002A
Key Features
- Wide Input Voltage Range: Versatile Operation
- Fast-Switching Performance: Quick Response Time
- Low Power Consumption: Energy Efficiency
- Silicon Gate Technology: High Reliability
- Military-Aerospace-Qualified Products
- Compact Package Size: Space-Saving Design
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 70 | 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 ULN2003ANS?
The ULN2003ANS is a high-voltage, high-current Darlington transistor array integrated circuit designed by Texas Instruments. It is commonly used for driving inductive loads such as relays, solenoids, stepper motors, and LEDs in various electronic applications.
How Does ULN2003ANS Work?
The ULN2003ANS works by utilizing a Darlington transistor configuration to amplify and switch current flowing through the connected load. It provides high current gain and voltage capability, making it suitable for driving power-hungry loads with the help of a microcontroller or digital circuit.
How Many Pins does ULN2003ANS have and What are the Functions of the Pinout Configuration?
The ULN2003ANS is housed in a 16-pin SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:
- COM: Common pin connected to the ground or power supply.
- IN1-IN7: Input pins for controlling the corresponding Darlington transistor outputs.
- OUT1-OUT7: Output pins connected to the load for driving the high-current signals.
- GND: Ground pin for the IC.
What are the Pros and Cons of ULN2003ANS?
Pros:
- High-Voltage Capability: Can handle high voltages required for driving inductive loads.
- High-Current Capability: Capable of driving high currents for powering demanding loads.
- Darlington Transistor Array: Offers high current gain and saturation voltage characteristics.
- Integrated Protection Diodes: Includes internal clamp diodes for inductive load protection.
- Multiple Outputs: Provides multiple Darlington transistor outputs for driving multiple loads.
Cons:
- Heat Generation: May require heat sinks or thermal management for high-current applications.
- Power Dissipation: Generates heat during operation, leading to power dissipation considerations.
- Complexity: Requires proper understanding of the Darlington transistor operation for optimal usage.
Are There Any Equivalents/Alternatives to ULN2003ANS for Recommendation?
- The ULN2803A from STMicroelectronics is a comparable high-voltage, high-current Darlington transistor array.
- Alternatives to the ULN2003ANS include the L293D and L298N motor driver ICs commonly used in motor control applications.
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