RT6937BGQW

RT6937BGQW

Category: Transistors

Specifications
SKU
9513819
Details

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Parameter Symbol Conditions Min Typical Max Unit
Input Voltage VIN Continuous 2.5 - 5.5 V
Output Voltage VOUT Adjustable 0.8 - 3.3 V
Quiescent Current IQ VIN = 5V, VOUT = 3.3V - 25 - 渭A
Load Regulation - 10mA to 500mA - 1.5 - %
Line Regulation - 2.5V to 5.5V - 0.5 - %
Dropout Voltage VDROPOUT IOUT = 500mA, VIN = 3.3V - 0.4 - V
Operating Temperature TOPR - -40 - 125 掳C
Storage Temperature TSTG - -65 - 150 掳C

Instructions for Use:

  1. Input Voltage (VIN):

    • Ensure the input voltage is within the range of 2.5V to 5.5V.
    • The device can operate continuously within this range.
  2. Output Voltage (VOUT):

    • The output voltage is adjustable from 0.8V to 3.3V.
    • Use the external resistor network to set the desired output voltage.
  3. Quiescent Current (IQ):

    • The quiescent current is typically 25渭A when the input voltage is 5V and the output voltage is 3.3V.
    • This low quiescent current helps in reducing power consumption.
  4. Load Regulation:

    • The load regulation is typically 1.5% when the load current changes from 10mA to 500mA.
    • This ensures stable output voltage under varying load conditions.
  5. Line Regulation:

    • The line regulation is typically 0.5% when the input voltage varies from 2.5V to 5.5V.
    • This ensures stable output voltage under varying input conditions.
  6. Dropout Voltage (VDROPOUT):

    • The dropout voltage is typically 0.4V when the output current is 500mA and the input voltage is 3.3V.
    • This allows the device to maintain regulation even at low input-to-output voltage differences.
  7. Operating Temperature (TOPR):

    • The device can operate in temperatures ranging from -40掳C to 125掳C.
    • Ensure that the ambient temperature does not exceed these limits to avoid thermal stress.
  8. Storage Temperature (TSTG):

    • The device can be stored in temperatures ranging from -65掳C to 150掳C.
    • Store the device in a dry and clean environment to prevent damage.
  9. PCB Layout:

    • Place the device close to the input capacitor to minimize noise.
    • Use a ground plane to improve thermal performance and reduce noise.
  10. Capacitors:

    • Use high-quality ceramic capacitors for both input and output.
    • The input capacitor should be at least 1渭F, and the output capacitor should be at least 10渭F.
  11. Resistor Network:

    • Use the formula provided in the datasheet to calculate the values of the resistors for setting the output voltage.
    • Ensure the resistors are of high precision to achieve accurate output voltage.
  12. Thermal Considerations:

    • Ensure adequate heat sinking if the device will be operating at high currents or in high ambient temperatures.
    • Monitor the junction temperature to ensure it remains within safe limits.
  13. Power-Up Sequence:

    • Ensure a smooth power-up sequence to avoid inrush currents and potential damage.
    • Use a soft-start circuit if necessary to control the startup behavior.
  14. Protection Circuits:

    • Implement overcurrent and overtemperature protection circuits to safeguard the device and the system.
    • Use appropriate fuses and thermal cut-offs as needed.

By following these guidelines, you can ensure optimal performance and reliability of the RT6937BGQW in your application.

(For reference only)

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