VPT250-2800S DC-DC Converter

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Description

The VPT250 series of isolated COTS DC-DC converters is intended for harsh environments including severe vibration, shock and temperature cycling. A wide input voltage range accommodates nominal 28V inputs including avionics, mobile, ground systems and other applications.

Features

  • Up to 250W output power
  • Input voltage range: 16 to 40V per MIL-STD-704 and MIL-STD-1275
  • Single outputs of 3.3V, 5V, 12V, and 15V
  • High efficiency – – up to 92%
  • Parallel up to 5 units with current sharing
  • Fixed frequency
  • 2000V isolation
  • Wide temperature range of -55 °C to +100 °C
  • Output voltage trim  (+10% /  -20%)
  • Six-sided rugged encapsulated epoxy V-SHIELD® package with integral metalized EMI shield
  • Fully compatible with aqueous cleaning processes
  • No optoisolators
  • Input transient voltage: 50V for 1 second

Compliances and Certifications

  • MIL-STD-1275 when used with a VPTPCM-12
  • MIL-STD-704A input voltage requirements
  • MIL-STD-461C-F when used with a VPTF20 EMI filter
  • DO-160
  • ISO-9001
  • DEF STAN 61-5 and DEF STAN 59-411 when used with a VPTc10-28 EMI filter
  • Environmental screening to JESD22, MIL-STD-810, MIL-STD-883
  • J-STD-001, ISO-9001, IPC-A-610 Class 3 manufacturing facility

Summary Data

For complete specifications, please see the official datasheet.
To provide you with the most accurate data for the actual performance of this product once deployed, please note that the electrical performance data provided below is at Tcase = -55° C to 100° C, Vin= +28V +-5%, full load, unless otherwise specified.

ParameterConditionsVPT250-283R3SVPT250-2805SVPT250-2812SVPT250-2815SUnits
MinTypMaxMinTypMaxMinTypMaxMinTypMax
Input
Voltage
Continuous
Transient(1)
162840
50
162840
50
162840
50
162840
50
Vdc
Output
Voltage
Full Load3.2513.33.3504.92555.07511.821212.18
14.7751515.225Vdc
Output
Power(2)
Vin: 16-40V0 1650 2500 2500 250W
EfficiencyVin: 28V,
Full Load
8588 8790 8992 8992 %
Input
Ripple
Full Load,
20Hz to 10MHz
 300500 500700 500700 500700mApp
Output
Ripple
Full Load,
20Hz to 10MHz
  150  150  150  150mVpp
Load
Regulation
No Load to
Full
  50  50  100  100mV
Line
Regulation
Vin: 16-40  20  20  50  50mV
(1) Transient time up to 1 second.
(2) Derate linearly to 0 at 110 deg. C.

VPT250-2800S DC-DC Converter



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