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CXA8081S

Specifications

SKU: 1176617

BUY CXA8081S https://www.utsource.net/itm/p/1176617.html
BALANCED MODULATOR AND RF ENVELOPE DETECTOR
Parameter Symbol Min Typ Max Unit Notes
Supply Voltage Vcc 4.5 5.0 5.5 V
Quiescent Current IQ - 2.5 - mA
Output Current (Max) IOUT - 800 - mA
Dropout Voltage VDROPOUT - 0.3 - V At 800mA output current
Operating Temperature TOPR -40 - 85 °C
Storage Temperature TSTG -65 - 150 °C
Thermal Resistance θJA - 65 - °C/W

Instructions for Using CXA8081S:

  1. Supply Voltage:

    • Ensure the supply voltage is within the range of 4.5V to 5.5V to avoid damage to the device.
  2. Quiescent Current:

    • The quiescent current is typically 2.5mA. This should be considered when designing the power budget of your circuit.
  3. Output Current:

    • The maximum output current is 800mA. Do not exceed this limit to prevent overheating and potential failure.
  4. Dropout Voltage:

    • The dropout voltage is typically 0.3V at 800mA output current. Ensure that the input voltage is at least 0.3V higher than the desired output voltage to maintain regulation.
  5. Operating Temperature:

    • The operating temperature range is from -40°C to 85°C. Avoid operating the device outside this range to ensure reliable performance.
  6. Storage Temperature:

    • Store the device in an environment with temperatures ranging from -65°C to 150°C to prevent damage.
  7. Thermal Resistance:

    • The thermal resistance (θJA) is typically 65°C/W. Proper heat dissipation is crucial, especially when operating at high output currents.
  8. Mounting and Layout:

    • Use a good quality PCB with adequate copper area for heat dissipation.
    • Place the device close to the load to minimize voltage drops in the wiring.
  9. Capacitors:

    • Use appropriate input and output capacitors as recommended by the datasheet to ensure stability and reduce noise.
  10. Protection Circuits:

    • Consider adding overcurrent and thermal protection circuits to enhance the reliability and safety of your design.
(For reference only)

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