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APM8005KC

Specifications

SKU: 9393376

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IC
Parameter Description
Part Number APM8005KC
Type Linear Voltage Regulator
Input Voltage (V) 2.7 to 5.5 V
Output Voltage (V) 3.3 V (Fixed)
Output Current (mA) 500 mA
Quiescent Current (μA) 1.5 μA (Typical)
Dropout Voltage (mV) 200 mV (Typical at 500 mA)
Operating Temperature (°C) -40 to +85 °C
Package SOT-23-5
Features Low dropout, low quiescent current, thermal shutdown, short-circuit protection

Instructions for Use

  1. Circuit Design:

    • Connect the input voltage to the VIN pin.
    • Connect the output voltage to the VOUT pin.
    • Ensure the GND pin is connected to the ground.
    • The SHDN pin can be used to enable or disable the regulator. Connect it to GND to disable and leave it open or connect to VIN to enable.
    • The BYP pin is optional and can be used for additional filtering. Connect a capacitor between BYP and GND if needed.
  2. Capacitors:

    • Use a 1 μF ceramic capacitor on the input side (between VIN and GND).
    • Use a 1 μF ceramic capacitor on the output side (between VOUT and GND).
  3. Thermal Considerations:

    • Ensure adequate heat dissipation if operating at high output currents.
    • Place the device on a PCB with sufficient copper area to help dissipate heat.
  4. Power-Up Sequence:

    • Ensure the input voltage rises smoothly and does not exceed the maximum rating.
    • Avoid sudden changes in load to prevent instability.
  5. Storage:

    • Store in a dry environment to prevent moisture damage.
    • Handle with care to avoid static discharge, which can damage the device.
  6. Testing:

    • Measure the output voltage at VOUT with respect to GND to ensure it is within the expected range.
    • Check the quiescent current by measuring the current drawn from VIN when VOUT is not loaded.
  7. Safety:

    • Do not exceed the maximum ratings specified in the datasheet.
    • Use appropriate fuses or circuit breakers to protect against overcurrent conditions.
(For reference only)

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