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Specifications
SKU: 8947716
| Parameter | Symbol | Min | Typ | Max | Unit | Notes |
|---|---|---|---|---|---|---|
| Input Voltage | VIN | 2.5 | - | 60 | V | Continuous operating range |
| Output Voltage | VOUT | 0.8 | - | 55 | V | Adjustable, set by external resistors |
| Output Current | IOUT | - | 2 | 3 | A | Continuous output current |
| Quiescent Current | IQ | - | 45 | - | μA | At no load |
| Dropout Voltage | VDROPOUT | - | 1.2 | - | V | At full load |
| Efficiency | η | - | 92 | - | % | At 3.3V input, 5V output, 1A load |
| Load Regulation | ΔVOUT/ΔILOAD | - | 0.1 | - | %/A | From 0 to 3A at fixed input voltage |
| Line Regulation | ΔVOUT/ΔVIN | - | 0.01 | - | %/V | From 2.5V to 60V at fixed load |
| Ripple Rejection | PSRR | - | 70 | - | dB | At 100kHz |
| Operating Temperature | Toper | -40 | - | 125 | °C | Junction temperature range |
| Storage Temperature | Tstg | -65 | - | 150 | °C | Non-operating temperature range |
| Thermal Resistance | θJA | - | 40 | - | °C/W | Junction-to-ambient thermal resistance |
Instructions for Using VVP3120-ADJ
Circuit Configuration:
- Connect the input voltage (VIN) to the input pin.
- Connect the output voltage (VOUT) to the output pin.
- Use an external resistor divider to set the desired output voltage. The formula to calculate the output voltage is: [ V_ = V_ left(1 + fracright) ] where ( V_ ) is typically 0.8V.
Capacitors:
- Place a 10μF ceramic capacitor between VIN and GND close to the device to ensure stability.
- Place a 10μF ceramic capacitor between VOUT and GND to filter the output and reduce ripple.
Thermal Management:
- Ensure adequate heat dissipation, especially at high output currents. The thermal resistance (θJA) should be considered when designing the PCB layout.
Protection:
- The device includes overcurrent and thermal shutdown protection. However, it is recommended to include external fuses or current-limiting resistors for additional safety.
Layout Considerations:
- Keep the traces from VIN to the input capacitor and from VOUT to the output capacitor as short as possible to minimize inductance and improve transient response.
- Avoid placing any high-frequency noise sources near the device to prevent interference.
Testing:
- Before finalizing the design, test the circuit under various load and input voltage conditions to ensure stable operation and compliance with specifications.
By following these guidelines, you can effectively integrate the VVP3120-ADJ into your power supply design.
(For reference only)Inquiry - VVP3120-ADJ
