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Transformateur à découpage : X-B8001-048 Flyback Transformer 5W | PREMO

Very low profile flyback transformer in EFD format for a 5 Watts DC/DC converter. Low profile (< 11mm height). Low cost solution. SMD terminals. Flat top allowing easy pick and place mounting. Very low AC losses. Capable to operate at high switching frequencies (up to 300kHz). Splitted primary...

Description

Very low profile flyback transformer in EFD format for a 5 Watts DC/DC converter.

  • Low profile (< 11mm height).
  • Low cost solution.
  • SMD terminals.
  • Flat top allowing easy pick and place mounting.
  • Very low AC losses.
  • Capable to operate at high switching frequencies (up to 300kHz).
  • Splitted primary winding allowing low leakage inductance (<500nH).
  • Multiple output design (5Vdc / 1Amp or 10Vdc / 0.5Amp).
  • Auxiliar winding (15 Vdc) to supply PWM controller included.
  • Operating temperature up to 105ºC.

Electrical specification : 

  • Topology: Flyback discontinuos mode.
  • Input voltage: 36 to 72 Vdc.
  • Output voltage: 2 x 5 Vdc and 1 x 10 Vdc (connecting secondaries in series).
  • Output Power: 5 Watts max.
  • Switching frec.: 100 – 300 kHz.
  • Duty cycle max: 0.45.
  • Inductance (P): 322 µH ± 10% (measured at 10kHz, 250mVac).
  • Leakage inductance: 500 nH max (measured in primary all secondaries short).
  • Turns ratio (P:Aux:S1:S2): 32 : 12 : 5 : 5.
  • Isolation: Prim to Sec = 1500 Vac.
  • Total losses: 0.3 Watt max (with 5 W output power).
  • Operating temp: -25 to 105 ºC.
  • Storage temp: -40 to 155 ºC.

Conseils et Préconisations Composant Passif
Demarche commerciale
Expertise
Veille et Suivi
Agence en Chine

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