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Specifications
SKU: 1132839
3-pin Positive Output Voltage Regulator 300mA Type
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Input Voltage Range | V_IN | 1.5 to 24 | V |
| Output Voltage | V_OUT | 12 | V |
| Output Current | I_OUT | 1 | A |
| Dropout Voltage | V_DO | 1.3 | V |
| Quiescent Current | I_Q | 5 | mA |
| Line Regulation | 0.04% | %/V | |
| Load Regulation | 0.5% | %/A | |
| Ripple Rejection | 60 | dB | |
| Operating Temperature | T_OP | -40 to 85 | °C |
| Storage Temperature | T_STG | -65 to 150 | °C |
| Package | TO-92 |
Instructions for Use:
Input Connection: Connect the input voltage (V_IN) to the input terminal of the AN78N12. Ensure the input voltage is within the specified range (1.5V to 24V).
Output Connection: Connect the output terminal of the AN78N12 to the load. The output voltage will be regulated to 12V.
Ground Connection: Ensure a common ground connection between the input and output circuits.
Capacitors:
- Input Capacitor: Place a 0.33μF ceramic capacitor close to the input pin to stabilize the input voltage.
- Output Capacitor: Place a 10μF electrolytic capacitor close to the output pin to filter out any ripple and ensure stable output.
Thermal Considerations: The AN78N12 can dissipate heat through its package. For higher current applications, consider using a heatsink to maintain the junction temperature within safe limits.
Power Dissipation: Calculate the power dissipation (P_D) using the formula: P_D = (V_IN - V_OUT) * I_OUT. Ensure that the power dissipation does not exceed the maximum rating for the device.
Storage and Handling: Store the device in a dry environment and handle with care to avoid damage. Follow standard ESD (Electrostatic Discharge) precautions.
Testing: Before connecting to the final application, test the regulator with a known load to ensure proper operation and output voltage stability.
Inquiry - AN78N12
