| Parameter | Symbol | Min | Typical | Max | Unit | Notes |
|---|---|---|---|---|---|---|
| Supply Voltage | VCC | 4.5 | - | 36 | V | |
| Continuous Output Current | IO | - | 500 | - | mA | Per output channel |
| Peak Output Current | IOPK | - | 600 | - | mA | Per output channel, non-repetitive |
| Input Voltage (High) | VIH | 1.8 | 2.0 | 5.0 | V | |
| Input Voltage (Low) | VIL | 0 | 0.8 | 1.5 | V | |
| Input Current | II | - | 1.6 | 30 | ¦ÌA | At VCC = 5V |
| Output Saturation Voltage | VCE(SAT) | - | 0.9 | 1.4 | V | At IO = 500mA |
| Output Leakage Current | IOL | - | 10 | 50 | ¦ÌA | At VCC = 36V |
| Operating Temperature | TA | -40 | - | 100 | ¡ãC | |
| Storage Temperature | TSTG | -65 | - | 150 | ¡ãC |
Instructions for Using ULN2004AN:
Power Supply:
- Connect the VCC pin to the positive supply voltage (4.5V to 36V).
- Connect the GND pin to the common ground.
Input Signals:
- Apply logic high (VIH) to the input pins (1-7) to turn on the corresponding Darlington transistor.
- Apply logic low (VIL) to the input pins to turn off the corresponding Darlington transistor.
Output Connections:
- Connect the load between the output pins (18-11) and the positive supply voltage.
- Ensure that the load current does not exceed the continuous output current rating (500mA per channel).
Protection:
- Use external flyback diodes for inductive loads to protect the transistors from voltage spikes.
- Ensure proper heat dissipation if operating at high currents or temperatures.
Common Emitter Configuration:
- The ULN2004AN is designed for common emitter configuration, where the emitter of each Darlington pair is connected internally to the common ground.
Temperature Considerations:
- Operate within the specified temperature range (-40¡ãC to 100¡ãC) to ensure reliable performance.
- Store the device within the storage temperature range (-65¡ãC to 150¡ãC).
Handling Precautions:
- Handle with care to avoid static damage.
- Follow standard ESD (Electrostatic Discharge) precautions when handling the device.
By following these guidelines, you can effectively use the ULN2004AN in your electronic projects.
(For reference only)


