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DDP400 SERIES

DDP400 SERIES
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DDP400 SERIES

Product catalog summary
Key Features:
  • Universal input voltage range (85 – 264 VAC) with active PFC compliance.
  • Steady 400W output power with 440W peak and high efficiency at 94%.
  • Low standby power consumption (<0.5 W) and multiple standard output voltages (12, 24, 28, 36, 48 VDC).
  • Additional +5V standby and 12V auxiliary outputs.
  • Low earth/touch leakage currents and fan speed control function.
  • Comprehensive protection features including over temperature, under voltage, over voltage, over current, and short circuit protection.
  • Remote On/Off and power good signal capabilities.
  • Compliance with IEC/EN/UL 60950-1 and EN55022, FCC Class B emissions standards.
  • Operates up to 4000 m without de-rating and is RoHS 2 compliant.
Description:

The DDP400 series is a compact, efficient AC-DC power supply designed for IT applications, offering a steady 400W of regulated DC power across a wide input voltage range. It features a high conversion efficiency of 94%, reducing heat generation and enhancing reliability. The series supports multiple output voltages and includes auxiliary outputs, with control signals for power management. It is available in five low-profile packages suitable for 1U installations.

Market Segments and Applications:
  • Video Wall Display & Entertainment
  • Industrial and Process Control
  • Telecommunications
  • Test & Measurement Equipment
  • Industrial Laser applications
  • 3D Printing and ATM
Model Coding and Output Ratings:

The series includes models with different output voltages and package options, such as open frame, U-chassis, punched cover, vented cover, and front fan. Each model has specific output ratings and ripple specifications.

Input Specifications:
  • AC input voltage range: 90-264 VAC, DC input voltage: 170-270 VDC.
  • Input frequency: 47-440 Hz, with specific current and inrush current ratings.
  • Efficiency varies with load and input voltage, with a power factor of 0.95 at full load.
Output Specifications:
  • V1 output voltage options with specific power ratings and ripple specifications.
  • V2 and 5VSB outputs with defined voltage and current ratings.
  • Regulation and transient response specifications for stable operation.
Protection Features:
  • Includes input under voltage lockout, over current, short circuit, over voltage, and over temperature protections.
  • Isolation specifications for safety and reliability.
Environmental Specifications:
  • Operating temperature range up to 50°C without de-rating, with de-rating curves provided for higher temperatures.
  • Storage temperature range and humidity specifications.
  • Shock and vibration resistance according to EN standards.
  • MTBF and useful life estimates under specified conditions.
Electromagnetic Compatibility (EMC):
  • Complies with EN 55022 for conducted and radiated emissions, and EN 61000-3 for harmonic current emissions.
  • Immunity to ESD, radiated fields, electrical fast transients, surges, and conducted RF.
Safety Approvals:
  • Certified by CSA/UL and IEC for information technology equipment, compliant with relevant directives for electrical safety and EMC.
Outline Drawing and Connections:

Details on connectors and mating parts for AC input, protection earth, output, and signals are provided, with specific manufacturer part numbers.

Outline Drawing and Connections – U-Chassis
Dimensions: 76.0 x 164.2 x 37.7 mm (2.99 x 6.46 x 1.48 in)
Weight: 410 g (0.90 lb)
Connectors: AC Input (Molex 26-60-4030), Protection Earth (Tyco 63849-1), Output (Molex 39-28-8120), Signals (Molex 90130-1108).
Outline Drawing and Connections – Punched Cover
Dimensions: 84.4 x 170.5 x 41.0 mm (3.32 x 6.71 x 1.61 in)
Weight: 575 g (1.43 lb)
Connectors: Same as U-Chassis.
Outline Drawing and Connections – Vented Cover
Dimensions: 84.4 x 166.5 x 41.0 mm (3.32 x 6.55 x 1.61 in)
Weight: 670 g (1.48 lb)
Connectors: Same as U-Chassis.
Outline Drawing and Connections – Front Fan
Dimensions: 84.4 x 183.0 x 41.0 mm (3.32 x 7.20 x 1.61 in)
Weight: 525 g (1.16 lb)
Connectors: Same as U-Chassis.
General Information
Specifications in EFORE's catalogues and brochures are not binding. Descriptions, drawings, and other particulars are for general information and not binding. EFORE reserves the right to make technical modifications during product development. Customers must verify the suitability of products for their intended use. EFORE assumes no liability for use outside specifications.
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Catalog excerpts

DDP400 SERIES-1

400 W AC-DC COMPACT, EFFICIENT POWER SUPPLY THREE YEAR ENERGY WARRANTY EFFICIENT • Universal input voltage range (85 - 264 VAC) • Active PFC, EN 61000-3-2 Class C, D compliant • Steady 400W output power (440 W peak) • High efficiency (94% typical) • Low stand by power consu mption (<0.5 W) • 12, 24, 28, 36, 48 VDC standard output voltages • +5V stand by, 2 A and 12 V auxiliary, 1 A outputs • Low earth/touch leakage currents (<300/100 ^A) • Fan speed control function (Off at <50 W) • Over temperature protection • Input under voltage, output over voltage protections • Over current and short circuit protection • Remote On/Off and power good signal • 5 available packages all fit 1U installation • EN55022, FCC Class B, conducted radiated emissions. • 4000 m operation without de-rating • RoHS 2 compliant (Directive 2011/65/EU) % Description The DDP400 series of IT rated AC-DC power supplies feature a compact form factor and a high conversion efficiency. The series provides a steady 400 W of regulated DC power through the full 90 to 264 VAC input voltage range. Based on an open frame, 3.00" x 6.50" x 1.46" form factor, the series is available in five different low profile packages to enable designers to integrate into 1U applications. By converting energy at 94% typical efficiency, the DDP400 series generate less heat facilitating thermal management in space constrained systems and offering high reliability. The DDP400 series is available in five standard output voltages - 12, 24, 28, 36, 48 VDC - offer an auxiliary 12 VDC and 5 VDC stand-by outputs. Available control signals include Power Good (P_OK), Remote On/Off (PS_ON) and remote sense compensation on the (+) load line. Boxed and vented open frame models can deliver full output power up to 50 °C, can operate up to 70 °C with de-rating and are capable of start up from -30 °C. A built in speed controlled fan to ensure the required airflow while maintaining minimal operational noise, which ultimately enhances the power su pply service life time. The DDP400 range complies with the 2nd edition of the IEC/EN/UL/CSA 60950-1 safety standard for IT equipment. It also complies with the Class B limits of the standards EN55011, EN55022 and FCC for conducted and radiated emissions, IEC/EN 61000-3 Class A for harmonic content and EN 55024 for EMC immunity. • Video Wall Display & Entertainment • • Industrial and Process Control • % Market Segments and Applications Test & Measurement Equipment Industrial Laser applications 3D Printing and ATM

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DDP400 SERIES-2

ROAL DIGITAL POWER % Model Coding and Output Ratings Model and Output Power Output Nominal Voltage Package Option # Model Coding and Output Ratings Model Number 1 The combined output power of V1, V2 and 5VSB for "-OF", "-UC" and "-PC" packages, must not exceed 400 W when cooled by 400 LFM air flow, and 250 W when natural convection cooled, up to 50 °C. Above 50 °C output de-rating applies. See de-rating curves below. In any case, the heat sink maximum temperature should not exceed +110 °C at 50 °C ambient temperature. 2 The combined output power of V1, V2 and 5 VSB for "-VC" and "-FF" packages,...

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DDP400 SERIES-3

ROAL DIGITAL POWER % Output Specifications Specification Test Conditions / Notes Min. Max. Units V1 Output Voltage 0.5% set point accuracy for a ll voltage va ria nts V1 Output Power Rating All voltages, OF/UC/PC, convection cooling All voltages, VC/FF, and OF/UC/PC forced air cooling (> 400 LFM) All models , peak power (< 10 s) All models. Load on V2: from 5 to 1000 mA Load on V1: from 0.1 to I1 rated Convection / forced air cooling 3% set point accuracy OF/UC/PC, natural convection cooling VC/FF, OF/UC/PC forced ai r cooling (> 400 LFM) Vac: 90 - 264 Vrms 25% load changes at 1 A/^s 12V at...

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DDP400 SERIES-4

ROAL DIGITAL POWER % Signals / Controls Signal PS_ON Active low, +5 V TTL signal compatible. Input low voltage Input high voltage (Iin= 200 |iA) V1 and V2 disabled when PS_ON is open 5Vsb not affected by PS_ON V1 and V2 enabled with PS_ON connected to RTN P_OK +5 V TTL compatible Logic level low (<10 mA sinking) Logic level high (100piA sourcing) Low to high time after V1 in regulation Power down wa rning time 5Vsb output Active and in regulation after a 90<VAC<264 is applied # SignalsTiming Standby on - Main outputs on Main output Rise Time 5 VSB Rise Time Main outputs On - P_OK delay Power...

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DDP400 SERIES-5

ROAL DIGITAL POWER % Protection Features Specification Test Conditions / Notes Min. Nominal Max. Units Input Under Voltage Lockout Input Fuse Over Current Short Circuit Over Voltage Over Temperature (on primary stage) Over Temperature (on secondary side) Isolation Primary-to- Secondary Isolation Input-to-PE Isolation V1-to-V2 Isolation Output-to-PE Auto recovery, Hiccup Mode 2X Time Lag 6.3 A, 250 V on L1 and L2 At nominal input voltages. V1: Hiccup mode, auto-recovering. V2: PTC limiting, auto-recovering. 5 VSB: Hiccup mode, auto-recovering. At nominal input voltages. V1: Hiccup mode,...

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DDP400 SERIES-6

ROAL DIGITAL POWER % Electromagnetic Compatibility (EMC) - Emissions Phenomenon Conditions / Notes Equipment Performance Class Conducted 115 Vrms, 230 Vrms. Maximum load. 4 dB minimum margin Radiated At 10 m distance Line Voltage Fluctuation At 20%, 50% and 100% maximum load. and Flicker Nominal input voltages. Harmonic Current Emission Nominal input voltages. Output load > 50 W. % Electromagnetic Compatibility EMC) - Immunity Phenomenon Conditions / Notes Test Level Performance criteria ESD Radiated Field Electric Fast Transient Surge Conducted RF Immunity Dips and Interruptions...

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DDP400 SERIES-7

ROAL DIGITAL POWER % Outline Drawing and Connections-Open Frame Connector Manufacturer and Part Number AC Input Connector P1 Molex 26-60-4030 or equivalent Molex 09-93-0300 (Crimp Terminal Housing) P1 Mating Connector Molex 08-50-0105 (Crimp Terminal, 18-24 AWG) Protection Earth Connector P5 Tyco 63849-1 equivalent P5 Mating Connector Any tin finished 6.35x0.81 mm receptacle Output Connector P4 Molex 39-28-8120 or equivalent Molex 39-01-2120 (Crimp Terminal Housing) P4 Mating Connector Molex 39-00-0039 (Crimp Terminal, 18-24 AWG) Signals Connector P6 Molex 90130-1108 or equivalent...

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.