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PN8147

Specifications

SKU: 9380336

BUY PN8147 https://www.utsource.net/itm/p/9380336.html

Parameter Symbol Min Typ Max Unit Description
Supply Voltage Vcc 4.5 5.0 5.5 V Operating supply voltage range
Quiescent Current IQ - 20 - μA Quiescent current
Output Current Iout 0 - 1.5 A Maximum continuous output current
Dropout Voltage Vdo - 300 - mV Dropout voltage at maximum load
Load Regulation - - 1 - % Change in output voltage with varying load
Line Regulation - - 0.5 - % Change in output voltage with varying input
Thermal Shutdown TSD - 160 - °C Temperature at which thermal shutdown occurs
Operating Temperature Topr -40 - 125 °C Operating temperature range
Storage Temperature Tstg -65 - 150 °C Storage temperature range

Instructions for Use:

  1. Power Supply Connection:

    • Connect the positive terminal of the power supply to the Vcc pin.
    • Connect the negative terminal (ground) to the GND pin.
  2. Output Connection:

    • Connect the load to the OUT pin.
    • Ensure that the load does not exceed the maximum output current (1.5 A).
  3. Capacitors:

    • Place a 10 μF tantalum capacitor between the OUT pin and GND to stabilize the output.
    • Optionally, place a 0.1 μF ceramic capacitor between the Vcc pin and GND for additional noise filtering.
  4. Thermal Considerations:

    • Ensure adequate heat dissipation if operating near the maximum output current.
    • The device will automatically shut down if the junction temperature exceeds 160°C.
  5. PCB Layout:

    • Keep the traces from Vcc to the IC and from the IC to the load as short as possible to minimize voltage drops and improve efficiency.
    • Use wide traces for high current paths to reduce resistance and heat generation.
  6. Storage and Handling:

    • Store the device in a dry, cool environment within the specified storage temperature range (-65°C to 150°C).
    • Handle with care to avoid damage to the pins or the body of the IC.
  7. Testing:

    • Before final assembly, test the device under typical operating conditions to ensure it meets the required specifications.
    • Verify the output voltage and current regulation using a multimeter and a variable load.
(For reference only)

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