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GR8853KG

Specifications

SKU: 11263449

BUY GR8853KG https://www.utsource.net/itm/p/11263449.html

Parameter Symbol Min Typical Max Unit Notes
Supply Voltage VDD 2.7 - 5.5 V
Operating Temperature Toper -40 - 125 °C
Storage Temperature Tstg -65 - 150 °C
Output Current (Max) Iout - 500 1000 mA
Quiescent Current IQ - 1.5 3 μA
Dropout Voltage VDROPOUT - 0.2 0.5 V @ Iout = 500mA, VDD = 5V
Load Regulation - - 0.2 0.5 % @ Iout = 100mA to 500mA
Line Regulation - - 0.1 0.3 % @ VDD = 4.5V to 5.5V
Transient Response Time - - 100 200 ns @ Load step: 0 to 500mA
PSRR (Power Supply Rejection Ratio) - - 70 80 dB @ 1kHz, VDD = 5V
Thermal Shutdown TSD - 160 180 °C

Instructions for Using GR8853KG

  1. Supply Voltage:

    • Ensure the supply voltage (VDD) is within the range of 2.7V to 5.5V.
    • Avoid exceeding the maximum voltage to prevent damage to the device.
  2. Operating Temperature:

    • The device operates reliably within the temperature range of -40°C to 125°C.
    • Ensure proper heat dissipation if operating at high temperatures.
  3. Storage Temperature:

    • Store the device in an environment with temperatures ranging from -65°C to 150°C to avoid degradation.
  4. Output Current:

    • The maximum output current is 1000mA, but it is recommended to operate at or below 500mA for optimal performance.
    • Use appropriate heatsinking if operating at higher currents.
  5. Quiescent Current:

    • The quiescent current is typically 1.5μA, which is low, making the device suitable for battery-powered applications.
  6. Dropout Voltage:

    • The dropout voltage is typically 0.2V at 500mA and can go up to 0.5V.
    • Ensure the input voltage is at least 0.5V higher than the desired output voltage to maintain regulation.
  7. Load Regulation:

    • The load regulation is typically 0.2%, ensuring stable output voltage over a wide range of load currents.
  8. Line Regulation:

    • The line regulation is typically 0.1%, maintaining output stability even with variations in input voltage.
  9. Transient Response Time:

    • The transient response time is typically 100ns, allowing the device to quickly respond to load changes.
  10. PSRR (Power Supply Rejection Ratio):

    • The PSRR is typically 70dB at 1kHz, effectively reducing noise from the power supply.
  11. Thermal Shutdown:

    • The device has thermal shutdown protection that activates at approximately 160°C to 180°C to prevent overheating.
  12. Mounting and Handling:

    • Handle the device with care to avoid static discharge.
    • Follow proper soldering techniques to ensure reliable connections and prevent damage.
  13. Capacitors:

    • Use appropriate input and output capacitors as specified in the datasheet to ensure stability and reduce ripple.
  14. PCB Layout:

    • Place the device close to the load to minimize trace inductance and improve transient response.
    • Ensure good grounding practices to minimize noise and improve performance.

By following these guidelines, you can ensure optimal performance and reliability of the GR8853KG in your application.

(For reference only)

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