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RU6888R

Specifications

SKU: 12442823

BUY RU6888R https://www.utsource.net/itm/p/12442823.html

Parameter Symbol Min Typical Max Unit
Input Voltage V_IN 4.5 - 32 V
Output Voltage V_OUT 1.8 - 12 V
Output Current I_OUT - 3 5 A
Efficiency η - 92 - %
Switching Frequency f_SW - 600 - kHz
Quiescent Current I_Q - 25 - μA
Dropout Voltage V_DO - 1.2 - V
Operating Temperature T_OP -40 - 125 °C
Storage Temperature T_STG -40 - 150 °C
Thermal Resistance (θJA) θJA - 35 - °C/W

Instructions for Using the RU6888R

  1. Input Voltage (V_IN):

    • Ensure the input voltage is within the range of 4.5V to 32V.
    • Use appropriate input filtering capacitors to reduce noise and ripple.
  2. Output Voltage (V_OUT):

    • Set the output voltage using external resistors according to the formula provided in the datasheet.
    • Verify the output voltage with a multimeter before connecting the load.
  3. Output Current (I_OUT):

    • The typical output current is 3A, with a maximum of 5A.
    • Ensure the load does not exceed the maximum output current to avoid damage.
  4. Efficiency (η):

    • The efficiency is typically 92%. Monitor the temperature and ensure proper heat dissipation to maintain high efficiency.
  5. Switching Frequency (f_SW):

    • The switching frequency is fixed at 600kHz. This helps in minimizing the size of external components like inductors and capacitors.
  6. Quiescent Current (I_Q):

    • The quiescent current is typically 25μA. This low current consumption is beneficial for battery-operated applications.
  7. Dropout Voltage (V_DO):

    • The dropout voltage is typically 1.2V. Ensure the input voltage is always at least 1.2V higher than the output voltage to maintain regulation.
  8. Operating Temperature (T_OP):

    • The operating temperature range is from -40°C to 125°C. Use the device within this range to ensure reliable operation.
  9. Storage Temperature (T_STG):

    • Store the device in a temperature range from -40°C to 150°C to prevent damage.
  10. Thermal Resistance (θJA):

    • The thermal resistance is typically 35°C/W. Use a heatsink if the device will be operating at high power levels or in high ambient temperatures.
  11. PCB Layout:

    • Follow the recommended PCB layout guidelines to ensure optimal performance and thermal management.
    • Place the input and output capacitors as close as possible to the device to minimize parasitic inductance.
  12. Safety Precautions:

    • Always use appropriate protective equipment when handling the device.
    • Ensure the circuit is properly insulated to prevent electrical shocks.
    • Follow all relevant safety standards and regulations.
(For reference only)

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