- VTA02058-00
- Relay Unit Power Supply
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- FEATURES
- - Up to 130 Watts Output Power
- - Wide DC Input Range / EMI Filtered
- - IEC60601-1, IEC60950 Standards, compliant
- - Natural Convection Cooling
- - Low Noise, High Efficiency DC/DC Power Converters
- - Continuous Short Circuit Protection
- - Output Status LED (Power O.K)
- - High Input/Output Isolation
- - Input Reverse Polarity Protection, in conjunction with Main Unit
- This low voltage, custom-designed Power Supply Unit used in Medical Electrical Equipment applications features a low profile package of 7.7Ó L x 7.0Ó W x 4.6Ó H, or 0.5 Watt/in3. It has excellent load regulation, input filtering, and low output ripple as well as current limiting.
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- Input Specifications:
- Steady State Voltage................................................ 28 VDC ± 20%
- Isolation (output to case)......................................... > 3 megohms
- Voltage Isolation Input / Output + Chassis............. 700 VDC
- Remote ON/OFF Input Signal................................ Active low enable signal provided by Main
- Unit
- Output Specifications:
- Nominal Maximum DC Ripple Max. Current
- Voltage Current Regulation & Noise Power Limiting
- +32 VDC 1.0 A ±2% <5 mVp-p 32.0W 1.75 A max.
- +6.5 VDC 8.0 A ±2% <15 mVp-p 52.0W 8.75 A max.
- +5.0 VDC 6.0 A ±2% <8 mVp-p 31.5W 8.75 A max.
- -5.0 VDC 0.5 A ±2% <25 mVp-p 2.5W 0.5 A max.
- -24 VDC 0.25 A ±2% <15 mVp-p 6.0W 5.0 A max.
- - Remote Sense on +5.25VDC and +6.5VDC Channels
- Over-voltage Protection........................................... <120% of Nominal Voltage, any channel
- Over-current Protection........................................... Refer to Current Limiting values.
- Efficiency (nominal input, 80% load)...................... > 85%
- Total Power Loss...................................................... Å 50Watts
- Output Status (LED)............................................... Indicates outputs are within specified range.
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- External Interface:
- - DC Input:.......................................................... J2
- - Output Power.................................................... J3
- - Output Cooling................................................. J4
- - Power Supply Control....................................... J5
- Physical Specifications:
- Weight.................................................................... < 2.5 Kgs.
- Enclosure................................................................ Aluminum
- Finish...................................................................... Alodine Chemical film, Class 1, yellow
- Mounting Position.................................................. Any orientation, except in the upside down position.
- Cooling.................................................................... Operates in both vertical and horizontal mounting planes by natural convection cooling or by providing a minimum linear air flow of 60 LFM through the heatsink fins.
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- Environmental Specifications:
- Air Temperature...................................................... Operating: +10¡C to +50¡C @ Full Load
- Storage: -10¡C to +60¡C
- Atmospheric Pressure............................................. Operating: 70 to 106 kPa
- Storage: 50 to 106 kPa
- Relative Humidity.................................................... Operating: 30% to 85% non-condensing
- Storage: 30% to 85% non-condensing
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- Reliability:
- Predicted Reliability (MIL-HDBK-217F)............... >81,000 hours
