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Specifications
SKU: 9939874
IC REG LIN POS ADJ 50MA SOT23-5
| Parameter | Symbol | Min | Typ | Max | Unit | Description |
|---|---|---|---|---|---|---|
| Input Voltage | V_IN | 4.5 | - | 18 | V | Operating input voltage range |
| Output Current | I_OUT | - | 2.5 | 3 | A | Maximum continuous output current |
| Switching Frequency | F_SW | - | 600 | - | kHz | Switching frequency of the internal oscillator |
| Efficiency | η | - | 90 | - | % | Typical efficiency at nominal conditions |
| Quiescent Current | I_Q | - | 1.5 | - | mA | Supply current in normal operation |
| Shutdown Current | I_SD | - | 0.1 | - | μA | Supply current in shutdown mode |
| Thermal Shutdown | T_SHDN | - | 160 | - | °C | Temperature at which thermal shutdown is initiated |
| Protection Features | - | - | - | - | - | Overcurrent, overtemperature, and short-circuit protection |
Instructions for Using FAN2508SX
Power Supply Connection:
- Connect the input voltage (V_IN) between the VIN and GND pins. Ensure the voltage is within the specified range of 4.5V to 18V.
Output Configuration:
- The output (V_OUT) should be connected to the load. The device can supply up to 3A continuously. For higher currents, ensure adequate heat dissipation.
Setting Switching Frequency:
- The switching frequency is internally set to 600kHz. External components are not required for frequency setting.
Efficiency Considerations:
- To achieve the typical efficiency of 90%, use recommended external components and ensure proper PCB layout practices.
Thermal Management:
- Monitor the operating temperature to prevent exceeding the thermal shutdown point of 160°C. Use heatsinks or spread copper areas if necessary.
Protection Features:
- The device includes built-in overcurrent, overtemperature, and short-circuit protection. In case of fault conditions, the device will automatically shut down to protect itself.
Shutdown Mode:
- To place the device in shutdown mode, pull the EN pin low. This reduces the supply current to approximately 0.1μA.
Layout Recommendations:
- Follow good PCB layout practices to minimize noise and parasitic effects. Keep power traces wide and short, and use ground planes effectively.
Inquiry - FAN2508SX
