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TOP264EG

Specifications

SKU: 11613620

BUY TOP264EG https://www.utsource.net/itm/p/11613620.html
IC OFFLINE SW PWM OCP OVP 7ESIP
Parameter Symbol Min Typ Max Unit
Input Voltage VIN 170 - 375 V
Output Voltage VOUT - 5.0 24 V
Output Current IOUT - 3.0 5.0 A
Switching Frequency fSW - 132 132 kHz
Efficiency η - 88 92 %
Power Dissipation PD - 15 25 W
Operating Temperature TOP -40 - 125 °C
Storage Temperature TSTG -65 - 150 °C
Junction Temperature TJ -40 - 150 °C
Thermal Resistance RθJC - 2.5 3.0 °C/W
Isolation Voltage VISO - 3750 4000 VAC
No-Load Input Current INL - 10 20 mA
Load Regulation ΔVOUT - 1.0 2.0 %
Line Regulation ΔVOUT - 0.5 1.0 %
Output Ripple Voltage VRIPPLE - 50 100 mVp-p
Start-Up Time tSTART - 200 400 ms
Short-Circuit Protection SCP - - - Yes
Over-Temperature Protection OTP - - - Yes

Instructions for Using the TOP264EG

  1. Input Connection:

    • Connect the input voltage (VIN) to the appropriate pin of the TOP264EG. Ensure the input voltage is within the specified range of 170V to 375V.
  2. Output Configuration:

    • Set the output voltage (VOUT) using the feedback resistor network. The typical output voltage range is 5.0V to 24V.
    • Ensure the output current (IOUT) does not exceed 5.0A to avoid damage.
  3. Thermal Management:

    • Monitor the junction temperature (TJ) to ensure it stays below 150°C. Use a heatsink if necessary to maintain proper thermal dissipation.
    • The thermal resistance (RθJC) is typically 2.5°C/W to 3.0°C/W.
  4. Protection Features:

    • The device includes short-circuit protection (SCP) and over-temperature protection (OTP). These features will automatically shut down the device if a fault condition is detected.
  5. Isolation:

    • Ensure the isolation voltage (VISO) between the primary and secondary sides is maintained at 3750VAC or higher to prevent electrical breakdown.
  6. Start-Up and Operation:

    • The start-up time (tSTART) is typically 200ms to 400ms. Ensure the input voltage is stable before the device starts operating.
    • Monitor the no-load input current (INL) to ensure it remains within the specified range of 10mA to 20mA.
  7. Regulation:

    • Check the load regulation (ΔVOUT) and line regulation (ΔVOUT) to ensure the output voltage stability under varying load and input conditions.
  8. Ripple and Noise:

    • The output ripple voltage (VRIPPLE) should be kept within 50mVp-p to 100mVp-p to ensure clean power delivery.
  9. Environmental Conditions:

    • Operate the device within the specified operating temperature range (-40°C to 125°C) and store it within the storage temperature range (-65°C to 150°C).

By following these parameters and instructions, you can ensure the reliable and efficient operation of the TOP264EG.

(For reference only)

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