Share:


NMA0515SC

Specifications

SKU: 1906430

BUY NMA0515SC https://www.utsource.net/itm/p/1906430.html
Isolated 1W Dual Output DC/DC Converters
Parameter Symbol Min Typical Max Unit
Input Voltage VIN 2.7 - 5.5 V
Output Voltage VOUT 3.3 - 3.3 V
Output Current IOUT - 1.5 2.0 A
Quiescent Current IQ - 3.5 - μA
Efficiency (at 1A) η - 92 - %
Dropout Voltage VDROPOUT - 0.3 - V
Operating Temperature TOPR -40 - 85 °C
Storage Temperature TSTG -40 - 125 °C
Load Regulation - - 0.5 - %
Line Regulation - - 0.2 - %
Ripple Rejection - - 60 - dB

Instructions for Using NMA0515SC

  1. Input Voltage:

    • Ensure the input voltage is within the range of 2.7V to 5.5V.
    • Do not exceed the maximum input voltage to avoid damage to the device.
  2. Output Voltage:

    • The output voltage is fixed at 3.3V. No external components are required to set this voltage.
  3. Output Current:

    • The device can provide a continuous output current of up to 2.0A, with a typical current of 1.5A.
    • Ensure the load does not exceed the maximum output current to prevent overheating or failure.
  4. Quiescent Current:

    • The quiescent current is typically 3.5μA, which helps in maintaining low power consumption during operation.
  5. Efficiency:

    • The efficiency of the device is typically 92% when operating at 1A. This ensures minimal power loss and heat generation.
  6. Dropout Voltage:

    • The dropout voltage is typically 0.3V, which means the input voltage should be at least 0.3V higher than the output voltage for proper regulation.
  7. Operating Temperature:

    • The device can operate within a temperature range of -40°C to 85°C. Ensure the ambient temperature is within these limits to avoid thermal shutdown or damage.
  8. Storage Temperature:

    • The device can be stored in temperatures ranging from -40°C to 125°C. However, prolonged exposure to high temperatures may affect the performance and lifespan of the device.
  9. Load Regulation:

    • The load regulation is typically 0.5%, indicating that the output voltage will remain stable even with changes in load current.
  10. Line Regulation:

    • The line regulation is typically 0.2%, ensuring that the output voltage remains stable even with variations in input voltage.
  11. Ripple Rejection:

    • The ripple rejection is typically 60dB, which means the device can effectively filter out input voltage ripples, providing a clean output voltage.
  12. PCB Layout:

    • Ensure proper PCB layout to minimize noise and improve thermal performance. Use a ground plane and place decoupling capacitors close to the input and output pins.
  13. Capacitors:

    • Use recommended input and output capacitors to stabilize the voltage and reduce ripple. Typically, a 10μF ceramic capacitor on the input and a 10μF ceramic capacitor on the output are sufficient.
  14. Heat Dissipation:

    • If operating at high currents or in high ambient temperatures, consider adding a heatsink or using a larger PCB area for better heat dissipation.
  15. Polarity:

    • Ensure correct polarity when connecting the input and output. Reversing the polarity can damage the device.
  16. Transient Response:

    • The device is designed to handle transient loads, but ensure that the load changes are within the specified limits to avoid instability.
(For reference only)

 Inquiry - NMA0515SC