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QW3858

Specifications

SKU: 11765234

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Parameter Description Value
Part Number Component Identifier QW3858
Type Device Type IC
Function Functionality Voltage Regulator
Input Voltage Range of input voltage the device can handle 2.7V to 5.5V
Output Voltage Stable output voltage provided by the device 3.3V
Output Current Maximum continuous output current 500mA
Quiescent Current Current consumed by the device when no load is present 10μA
Dropout Voltage Minimum difference between input and output voltage for regulation 200mV
Operating Temperature Range of temperatures the device can operate in -40°C to 125°C
Package Physical package type SOT-23
Pin Configuration Pin layout and function 1: IN, 2: OUT, 3: GND
ESD Protection Electrostatic discharge protection level HBM: 2kV
Storage Temperature Range of temperatures for storing the device without damage -65°C to 150°C

Instructions for Use:

  1. Power Supply Connection:

    • Connect the input voltage to the IN pin.
    • Ensure the input voltage is within the specified range (2.7V to 5.5V).
  2. Output Connection:

    • Connect the load to the OUT pin.
    • The output voltage will be regulated to 3.3V.
  3. Ground Connection:

    • Connect the GND pin to the system ground.
  4. Capacitor Recommendations:

    • Place a 1μF ceramic capacitor close to the IN pin to filter input noise.
    • Place a 1μF ceramic capacitor close to the OUT pin to stabilize the output.
  5. Thermal Management:

    • Ensure adequate heat dissipation if operating at high output currents or in high ambient temperatures.
    • Consider using a heatsink if necessary.
  6. Handling Precautions:

    • Handle the device with care to avoid ESD damage.
    • Follow proper soldering techniques to prevent thermal stress on the device.
  7. Storage:

    • Store the device in a dry, cool place within the specified storage temperature range (-65°C to 150°C).
(For reference only)

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