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MIC37502-WU

Specifications

SKU: 9737586

BUY MIC37502-WU https://www.utsource.net/itm/p/9737586.html

Parameter Description Min Typ Max Unit
Input Voltage (VIN) Operating input voltage range 1.4 - 5.5 V
Output Voltage (VOUT) Fixed output voltage - 3.3 - V
Output Current (IOUT) Continuous output current - 500 - mA
Quiescent Current (IQ) Supply current at no load - 1.8 - μA
Dropout Voltage (VDROP) Typical dropout voltage at 500mA - 250 - mV
Shutdown Current (ISD) Supply current in shutdown mode - 0.1 - μA
Thermal Shutdown Temperature (TSD) Temperature at which thermal shutdown occurs - 160 - °C
Operating Junction Temperature (TJ) Operating junction temperature range -40 - 125 °C
Storage Temperature (TS) Storage temperature range -65 - 150 °C

Instructions for Use:

  1. Input Connection:

    • Connect the input voltage (VIN) to the input pin.
    • Ensure the input voltage is within the specified range (1.4V to 5.5V).
  2. Output Connection:

    • Connect the output pin to the load or circuit requiring the regulated 3.3V.
    • The maximum continuous output current is 500mA.
  3. Ground Connection:

    • Connect the ground (GND) pin to the common ground of the system.
  4. Capacitors:

    • Place a 1μF ceramic capacitor close to the input pin and ground to filter out noise and stabilize the input voltage.
    • Place a 1μF ceramic capacitor close to the output pin and ground to stabilize the output voltage and improve transient response.
  5. Shutdown Pin:

    • The shutdown pin can be used to turn off the regulator by pulling it low. When the shutdown pin is high, the regulator is active.
    • The shutdown current is very low (0.1μA) when the shutdown pin is pulled low.
  6. Thermal Considerations:

    • Ensure adequate heat dissipation if the regulator is operating near its maximum output current, especially in high ambient temperatures.
    • The device has built-in thermal shutdown protection to prevent damage from overheating.
  7. Layout Considerations:

    • Use short, wide traces for power and ground connections to minimize parasitic inductance and resistance.
    • Place bypass capacitors as close as possible to the respective pins to minimize inductance and improve performance.
  8. Storage and Handling:

    • Store the device in a dry environment within the specified storage temperature range (-65°C to 150°C).
    • Handle with care to avoid static discharge and physical damage.
(For reference only)

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