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Matrix Power Company
MB xxx-3U series
Specification Document
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TABLE OF CONTENTS 1. Scope 2. Applicable document: 3. Electric specification: 3.1 AC input requirement: 3.1.1 AC input requirement 3.1.2 Over current protection 3.1.3 Inrush current limiting 3.1.4 Input under voltage 3.1.5 Electrical fast transient/burst 3.2 DC output requirements: 3.2.1 DC voltage regulation 3.2.2 remote sense 3.3 power distribution: 3.3.1 Output requirement 3.3.2 Efficiency 3.3.3 Output ripple and noise 3.3.4 Output transient response 3.3.5 +5Vdc and +3
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4. Mechanical requirement: 4.1 Label and marking 4.2 Physical dimension 4.3 Air flow / fan 4.4 Connector 5. Environment requirement 5.1 Environment requirement 5.2 Thermal shook (shipping) 5.3 Humidity 5.4 Altitude 5.5 Mechanical shock 5.6 Vibration 6. Electromagnetic compatibility 7. Reliability 7.1 Mean time between failure (MTBF) 7.2 Compatibility 7.3 Safety requirement 3
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1. SCOPE: This document outlines the power supply specification of MB-3Useries. 2. Applicable Documents: See ATX Specification Version 2.03/_12V version 2.3 and Intel ATX Power Supply Design Guide EPS/SSI Version 2.91. 3. Electric specification: The electrical requirements that follow are to be met over the environmental ranges specified in Section 5 unless otherwise noted. 3.1 AC input requirement: 3.1.1 AC input requirement: a. The power supply shall be capable of supplying full ra
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3.2 DC Output Requirements 3.2.1 DC Voltage Regulation The DC output voltages shall remain within the regulation ranges shown in Table 3 when measured at the load end of the output connectors under all line, load, and environmental conditions. The voltage regulation limits shall be maintained under continuous operation for a period of time equal to or greater than the MTBF specified in Section 7.2 at any steady state temperature and operating conditions specified in Section 5. Table
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3.3.1 Output requirement: Table 4.0: MB600-VA Power Distribution Configuration Outputs MIN MAX Watt Peak 3.3V 0.0A 25.0A 82.5 30.0A 5.0V 1.0A 30.0A 150.0 40.0A -5.0V 0.0A 0.5A 2.5 1.0A 12.0V 0.0A 48.0A 576.0 54.0A -12.0V 0.0A 0.8A 9.6 1.5A 5.0Vsb 0.0A 4.00A 20.0 5.0A Total = 600 Watt Maximum combined wattage of 3.3V and 5
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Outputs MIN MAX Watt Peak 3.3V 0.0A 25.0A 82.5 40.0A 5.0V 1.0A 45.0A 225.0 60.0A -5.0V 0.0A 0.5A 2.5 1.0A 12.0V 0.0A 72.0A 864.0 80.0A -12.0V 0.0A 0.8A 9.6 1.5A 5.0Vsb 0.0A 4.00A 20.0 5.0A Total = 900 Watt Maximum combined wattage of 3.3V and 5.0V outputs is 225W. Table 4.4: MB1000-VA Power Distribution Configuration Outputs MIN MAX W
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Outputs MIN MAX Watt Peak 3.3V 0.0A 25.0A 82.5 40.0A 5.0V 1.0A 75.0A 375.0 100.0A -5.0V 0.0A 0.5A 2.5 1.0A 12.0V 0.0A 120.0A 1440.0 130.0A -12.0V 0.0A 0.8A 9.6 2.0A 5.0Vsb 0.0A 4.00A 20.0 6.0A Total = 1500 Watt Maximum combined wattage of 3.3V and 5.0V outputs is 375W. 3.3.2 Efficiency a. The efficiency of the power supply should be me
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The +3.3VDC, +5VDC and +12V outputs will see transients up to 50% of the maximum output current. \ The transient slew rate will be 2.5 A/ms. The power supply should be stable under all transient conditions from any steady state load, and the over/undershoot should be within the regulation band stated in Section 3.2.1. 3.3.5 +5VDC/+3.3VDC Power Sequencing The +5VDC output level must be equal to or greater than the +3.3VDC output at all times during power-up and normal operation. The time between
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Signal Type +5 V TTL compatible Logic level Low < 0.4 V while sinking 4mA Logic level high Between 2.4 VDC and 5 VDC Output while sourcing 200uA High state output impedance 1K Ω from output to common PWR_OK delay 100 ms < T3 < 500 ms PWR_OK rise time T5 ≤ 10 ms Power down warning T4 > 1 ms 3.4.2 PWR_ON a. PWR_ON is an active-low, TTL-compatible signal that allows a motherboard to remotely control the power supply in conjunction with features such as soft on/off, wake-on-LAN, or wake-on-modem
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3.4.6 Overshoot at Turn-on/Turn-off The output voltage overshoot upon the application or removal of the input voltage, or the assertion / deassertion of PWR_ON, under the conditions specified in Section 3.1, less than 10% above the nominal voltage. There is a smooth and continuous ramp of each DC output voltage from 10% to 90% of its final set point within the regulation band, while loaded as specified in Section 3.3. The smooth turn-on requires that during the 10% to 90% portion of the rise ti
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3.5.3 No Load Operation The power supply shall be turn on, and no damage or hazardous condition should occur with all the DC output connectors disconnected from the load. 3.5.4 Over current Protection: **OPTIONAL If any one output of +5Vdc, +12Vdc and +3.3Vdc is over current then maximum load, the power supply is shut down by over current protection design, the output voltage shall drop to 0V at +5Vdc, +12Vdc, +3.3Vdc, +5Vsb, -5Vdc and –12Vdc output, and no any damage to the power suppl
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5.2 Thermal shock (shipping): Nonoperating: -40 °C to +70 °C; 15 °C/min < dT/dt < 30 °C/min; 50 cycles; Duration of exposure to temperature extremes for each half cycle shall be 30 minutes. 5.3 Humidity: Operating: To 85% relative humidity (noncondensing) Nonoperating: To 95% relative humidity (noncondensing) Note: 95% RH is achieved with a dry bulb temperature of 55 °C and a wet bulb temperature of 54 °C. 5.4 Altitude: Operating: To 10,000 ft Nonoperating : To 50,000ft 5.5 Mechanical Shock
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7 . Reliability 7.1 Mean time between failure (MTBF): MTBF shall be follow 570F standard. a. Full load. b. 230Vac input. c. Ground benign. d. Ambient temperature: 25 The calculated MTBF of the power supply shall be greater than 100,000 hours under the following conditions: a. Full load. b. 230Vac input c. Ground benign d. 25°C ambient. 7.2 Compatibility All versions of the power supply will be backward compatible for form, fit, and function of the ATX/0.9/1.0/1.1/2.01/2.02/2.03/_12V/1.0/1.1/1.2
