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Polytron LWYB15/MHIA Series DC-DC Converters, 15 Watt 4:1 Wide Input Range, Single and Dual Output, 1” x 2”


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Item Number: LWYB15/MHIA

DC-DC Converters In 1” x 2” DIL Package Suitable for Medical Applications

The LWYB15/MHIA Series of single and dual output DC-DC converters features a wide 4:1 input range, 3000 Vac isolation, high efficiency up to 88 percent and remote ON/OFF control for energy savings. The RoHS-compliant converters are housed in a 1” x 2” dual inline package using UL 94V-0 flame-rated material. Designed to meet AAMI/CSA 60601-1 and IEC/EN60601-1 3.1 Edition, LWYB15/MHIA Series products are suitable for medical, industrial and ITE applications. Custom versions are also available.

 LWYB15/MHIA Series Specification Sheet PDF

 

Input Current
Daburn Part
Number
Input Voltage
(Vdc)
Output Voltage
(Vdc)
Output Current
Full Load
(mA)
No Load
(mA)
Full Load
(mA)
Effiency 
(%)
Max. Capacitor Load
(μF)
LWYB15-24S5/MHIA 9 - 36 5 3000 60 727  86 3300  
LWYB15-24S12/MHIA 12 1250 40 727 86 300
LWYB15-24S15/MHIA 15 1000 20 727 86 300
LWYB15-48S5/MHIA 18 - 75  5 3000  30   363 86 5600
LWYB15-48S12/MHIA 12 1250 30 363 86
680
LWYB15-48S15/MHIA 15 1000 30 363 86 680
LWYB15-24-5/MHIA 9 - 36
±5 ±1500 70 900 84 ±2000
LWYB15-24-12/MHIA ±12 ±625  40  744 87 ±330 
LWYB15-24-15/MHIA ±15 ±500 40 710 88 ±330
LWYB15-48-5/MHIA 18 - 75  ±5 ±1500     30    372 84   ±3300
LWYB15-48-12/MHIA ±12 ±625 30 372 84  ±220
LWYB15-48-15/MHIA ±15 ±500 30 363 86  ±220



Input and Output Specifications:

INPUT

  • Voltage types:
    • 4:1 Max. Vdc
  • Remote On/Off:
    • ON: Open
    • OFF: Short to -Vin
  • Protection: Fuse recommended
  • Input Filter(1): Pi network

OUTPUT

  • Voltage tolerance, %: ±2 Max., Full load at Vin (nom.)
  • Line regulation, %: ±0.5 Max.
  • Load regulation, %:
    • ±0.5 Max., Single
    • ±2 Max., Dual (balance load)
  • Cross regulation, ms: ±5 Max., Dual (25% to 100% load)
  • Ripple and noise, mVp-p:
    • 100 Max., Output: 3-15V types BW=DC to 20MHz
    • 1% of Vout Max., Output > 15V types BW=DC to 20MHz
  • Transient response setting time, μs: 300 Typ., 25% load step change
  • External trim adj. range, %: ±10 Max.
  • Short circuit protection: Hiccup, automatic recovery

More Specifications:

GENERAL

  • Isolation Voltage, Vac: 3000 Max.
  • Isolation resistance, MΩ: 500Vdc, 1000 Min.
  • Switching frequency, kHz: 350 Typ.

ENVIRONMENTAL

  • Operating ambient temperature °C:
    • Refer to temperature derating graph (with derating), -40 Min., +100 Max.
  • Maximum case temperature, °C: +105 Max.
  • Storage temperature range: -55 Min., +125 Max.
  • Cooling: Free air convection
  • Relative humidity: Non condensing, 5% to 95% RH

PHYSICAL

  • Design meet safety standard: UL60950-1, EN60950-1, IEC60950-1
  • MTBF: 500,000 Hours, MIL-HDBK-217F @25 °C, Ground Benign
  • Case material: Plastic
  • Dimensions, in: 1 x 2 x 0.4 (50.8 x 25.4 x 10.2mm)
  • Potting material: Epoxy (UL94V-0 rated)
  • Weight, g: 22 Typ.

EMC SPECIFICATIONS

  • EMI: EN55032, With external components, Class A, Class B
  • ESD: EN61000-4-2, Air ±8kV and Contact ±6kV, Perf. Criteria A
  • Radiated Immunity: EN61000-4-3, 10V/m, Perf. Criteria A
  • Fast Transient: EN61000-4-4, ±2KV, With an external input filter capacitor (Nippon chemi-con KY series, 220 μF/100V), Perf. Criteria B
  • Surge: EN61000-4-5, ±1KV, With an external input filter capacitor (Nippon chemi-con KY series, 220 μF/100V), Perf. Criteria A
  • Conducted Immunity: EN61000-4-6, 10 Vr.m.s, Perf. Criteria A
  • Power Frequency Magnetic Field: EN61000-4-8, 100 A/m continuous; 1000 A/m 1 second, Perf. Criteria A

 


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