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UTC7266

Specifications

SKU: 9448801

BUY UTC7266 https://www.utsource.net/itm/p/9448801.html
IC
Parameter Symbol Conditions Min Typ Max Unit
Supply Voltage Vcc - 4.5 5.0 5.5 V
Output Current Iout Vout = 3.3V - 150 300 mA
Quiescent Current Iq Vout = 3.3V, No Load - 1.0 2.0 mA
Dropout Voltage Vdo Iout = 300mA - 0.5 1.0 V
Line Regulation ΔVout/ΔVin Iout = 300mA, Vin = 4.5V to 5.5V - 0.01 0.05 %
Load Regulation ΔVout/ΔIout Vin = 5V, Iout = 0 to 300mA - 0.01 0.05 %
Thermal Shutdown Temperature Tsd - - 150 - °C
Operating Temperature Range Topr - -40 85 125 °C

Instructions for Use:

  1. Supply Voltage (Vcc):

    • Ensure the input voltage is within the range of 4.5V to 5.5V.
    • Avoid exceeding the maximum supply voltage to prevent damage to the device.
  2. Output Current (Iout):

    • The device can provide up to 300mA of output current.
    • For optimal performance, keep the load current within the typical range of 150mA.
  3. Quiescent Current (Iq):

    • The quiescent current is very low, typically around 1.0mA.
    • This ensures minimal power consumption even when there is no load.
  4. Dropout Voltage (Vdo):

    • The dropout voltage is the difference between the input and output voltages when the device is under load.
    • It should be kept below 1.0V for reliable operation.
  5. Line Regulation:

    • The line regulation is the change in output voltage due to changes in input voltage.
    • It is typically very low, ensuring stable output voltage despite variations in input voltage.
  6. Load Regulation:

    • The load regulation is the change in output voltage due to changes in load current.
    • It is also very low, ensuring stable output voltage as the load varies.
  7. Thermal Shutdown Temperature (Tsd):

    • The device will automatically shut down if the temperature exceeds 150°C to prevent damage.
    • Ensure proper heat dissipation to avoid reaching this temperature.
  8. Operating Temperature Range (Topr):

    • The device can operate over a wide temperature range from -40°C to 125°C.
    • For extended reliability, avoid operating at the extreme ends of this range.
  9. Mounting and Layout:

    • Use a good thermal design to ensure efficient heat dissipation.
    • Place the device close to the load to minimize trace resistance and inductance.
  10. Capacitors:

    • Use appropriate bypass capacitors on both the input and output to stabilize the voltage and filter noise.
    • Recommended values are typically 10μF for the input and 10μF for the output.
(For reference only)

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