5.20 Dollar US$ ULN2803ADWR vs ULN2003APWR Array Driver IC: Datasheet Shenzhen
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What is ULN2803ADWR
The ULN2803ADWR is an 8-channel Darlington array driver IC designed to handle higher current loads compared to the ULN2003APWR. Here are some key features of the ULN2803ADWR:
- **Channels**: 8 channels to drive multiple loads simultaneously.
- **Darlington Arrays**: Each channel consists of a high-voltage Darlington transistor pair capable of driving high-current loads.
- **Voltage Rating**: Can handle up to 50V output voltage.
- **Continuous Output Current**: 500 mA per channel with a total package current rating of 2.5A.
- **Package Type**: SOIC-18 package for easy PCB mounting.
The ULN2803ADWR is commonly used in applications requiring high-current drive capabilities, such as industrial automation, robotics, and automotive systems.
What is ULN2003APWR
The ULN2003APWR is a 7-channel Darlington array driver IC, offering fewer channels compared to the ULN2803ADWR but still capable of driving moderate to high-current loads. Here are some key features of the ULN2003APWR:
- **Channels**: 7 channels for driving multiple loads.
- **Darlington Arrays**: Each channel features a high-voltage Darlington transistor pair.
- **Voltage Rating**: Can handle up to 50V output voltage.
- **Continuous Output Current**: 500 mA per channel with a total package current rating of 2.5A.
- **Package Type**: PDIP-16 package for through-hole mounting.
The ULN2003APWR is commonly used in applications such as stepper motor control, LED arrays, and relay drivers where moderate to high-current drive capability is required.
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