74 series Digital Integrated Circuits
UCC28084DR
UCC28084DR

 

UCC28084DR

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Category: 74 series Digital Integrated Circuits Available (Qty:9999999)
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Description

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Parameter Symbol Min Typ Max Unit Description
Supply Voltage VCC 8.5 - 16 V Operating range of the supply voltage
Start-Up Current ISTART - 150 - μA Typical current required to start the device
Quiescent Current IQ - 200 - μA Typical quiescent current at nominal operating conditions
Oscillator Frequency fOSC 300 - 700 kHz Range of the internal oscillator frequency
Minimum On-Time tON(min) 250 - - ns Minimum on-time for the high-side switch
Maximum Off-Time tOFF(max) - - 1500 ns Maximum off-time for the high-side switch
Overcurrent Protection Threshold IFAULT - 1.2 - A Threshold for overcurrent protection
Thermal Shutdown Temperature TSD 150 - - °C Temperature at which thermal shutdown is initiated
Operating Temperature Range TOPR -40 - 125 °C Range of ambient temperatures for operation
Storage Temperature Range TSTG -65 - 150 °C Range of temperatures for storage

Instructions for Using UCC28084DR

  1. Supply Voltage (VCC):

    • Ensure the supply voltage is within the range of 8.5V to 16V to avoid damage to the device.
    • Use a stable power source to maintain consistent operation.

  2. Start-Up Current (ISTART):

    • The device requires a typical current of 150 μA to start up. Ensure the power supply can provide this current.

  3. Quiescent Current (IQ):

    • The typical quiescent current is 200 μA. This should be considered in power budget calculations.

  4. Oscillator Frequency (fOSC):

    • The internal oscillator frequency ranges from 300 kHz to 700 kHz. Adjust external components if needed to achieve the desired frequency.

  5. Minimum On-Time (tON(min)):

    • The minimum on-time for the high-side switch is 250 ns. Ensure the pulse width modulation (PWM) signals respect this limit.

  6. Maximum Off-Time (tOFF(max)):

    • The maximum off-time for the high-side switch is 1500 ns. This helps in preventing excessive duty cycles.

  7. Overcurrent Protection (IFault):

    • The device has an overcurrent protection threshold of 1.2 A. If the current exceeds this value, the device will shut down to protect itself.

  8. Thermal Shutdown (TSD):

    • The device will initiate thermal shutdown at 150°C to prevent damage from overheating. Ensure proper heat dissipation and cooling mechanisms are in place.

  9. Operating Temperature Range (TOPR):

    • The device can operate in ambient temperatures ranging from -40°C to 125°C. Ensure the environment does not exceed these limits.

  10. Storage Temperature Range (TSTG):

    • The device can be stored in temperatures ranging from -65°C to 150°C. Proper storage conditions should be maintained to ensure long-term reliability.

Additional Notes:

(For reference only)

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