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Specifications
SKU: 11246511
| Parameter | Description | Value | Unit |
|---|---|---|---|
| Number of Darlington Pairs | Number of Darlington transistor pairs | 7 | - |
| Maximum Collector-Emitter Voltage (VCE) | Maximum voltage that can be applied between the collector and emitter | 50 | V |
| Maximum Emitter-Base Voltage (VEB) | Maximum voltage that can be applied between the emitter and base | 5 | V |
| Maximum Collector Current (IC) | Maximum current that can flow through the collector | 500 | mA |
| Maximum Power Dissipation (PTOT) | Maximum power dissipation per package | 825 | mW |
| Operating Temperature Range (TA) | Range of ambient temperatures for operation | -40 to 105 | °C |
| Storage Temperature Range (TSTG) | Range of temperatures for storage | -65 to 150 | °C |
| Input Clamping Diode | Presence of input clamping diodes | Yes | - |
| Output Clamp Diode | Presence of output clamp diodes | Yes | - |
| Isolation Voltage | Minimum isolation voltage between input and output | 1500 | VRMS |
Instructions for Using ULN2004AFW:
Power Supply:
- Ensure the supply voltage is within the specified range (VCC = 5V typical).
- Connect the positive terminal of the power supply to the VCC pin and the negative terminal to the GND pin.
Input Connections:
- Connect the input signals to the IN1 to IN7 pins.
- Each input pin corresponds to one of the Darlington pairs.
- Apply a logic high (typically 5V) to turn on the corresponding Darlington pair, and a logic low (0V) to turn it off.
Output Connections:
- Connect the load to the OUT1 to OUT7 pins.
- The load should be connected between the output pin and the positive supply (VCC).
- The load current should not exceed the maximum collector current (500mA).
Clamp Diodes:
- The built-in clamp diodes protect against inductive flyback voltages.
- Ensure that the load is properly connected to utilize these diodes effectively.
Heat Management:
- If operating at or near the maximum power dissipation, consider using a heatsink.
- Monitor the temperature to ensure it remains within the operating temperature range.
Handling Precautions:
- Handle the device with care to avoid static damage.
- Follow proper soldering techniques to prevent thermal shock and mechanical stress.
Storage:
- Store the device in a dry, cool place within the specified storage temperature range.
- Avoid exposure to extreme temperatures and humidity.
By following these guidelines, you can ensure reliable operation of the ULN2004AFW in your application.
(For reference only)Inquiry - ULN2004AFW
