DS460S-3-001 - EMERSON�NETWORK POWER

Rev.10.06.28_#0.4

DS460S-3 Series

Page 1

Preliminary

Special Features

• Active power factor correction

• EN61000-3-2 harmonic compliance

• Active AC inrush control

• 1U X 2U short form factor

• +12 Vdc Output

• +12 Vdc stand-by

• Hot plug operation

• N + 1 redundant

• Internal OR’ing fets

• Active current sharing

• Built-in cooling fan

• I2C communication interface bus

• PMBus compliant

• EERPOM for FRU data

• One year warranty

Safety

UL/cUL 60950 (UL Recognized)

NEMKO 60950

CB Certificate and report

CE Mark (LVD)

Product Descriptions

The DS460S-3 series high-efficiency bulk front-end power supply is

intended for systems that use distributed power architectures. Rated at

460 watts, the DS460S-3 power supply generates a main payload output of

12 Vdc and an auxiliary output of 12 Vdc for powering standby circuitry.

These power supplies are digitally programmable – they are equipped with

an I2C interface and use the industry-standard PMBus™ communications

protocol.

The DS460S-3 power supply is intended primarily for use in rack-mounting

server type applications, such as data centers. The power supply uses an

advanced power conversion topology to maximize efficiency and have

exceptionally compact form factors; these models have a height of just 1.6

inches, which makes them ideal for use in 1U high rack-mounting

equipment.

DS460S-3 power supply features a wide 90 to 264 Vac input voltage range

and employs active power factor correction to minimize input harmonic

current distortion and to ensure compliance with the international

EN61000-3-2 standard – they have a power factor of 0.99 typical.

The supply has a 1U x 2U form factor – it measures only 7.75 inches in

length, ideally suitable for length limited applications. When fed with a high

line 230 Vac input, the DS460S-3 can achieve a very high – 92

percent typical conversion efficiency at 50 percent full load.

DS460S-3

460 Watts

Distributed Power System

Total Power: 460 Watts

Input Voltage: 90-264 Vac

# of Outputs: Main + Standby

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DS460S-3 Series

Page 2

Preliminary

Model Numbers

Options

None

12V @ 2.5A

Stand-By

Supply

Normal

(DC Connector to Handle)

38.3A 1A12.0 VdcDS460S-3

38.3A

Maximum

Load

DS460S-3-

001

Standard

12.0 Vdc

Output

Voltage

Minimum

Load

Reversed

(Handle to DC Connector)

Air Flow Direction

Rev.10.06.28_#0.4

DS460S-3 Series

Page 3

Preliminary

ºC+50-0TA

All modelsAmbient Operating Temperature

ºC---10TST

All modelsCold Start-up Temperature

ºC+85--40TSTG

All modelsStorage Temperature

All models

Humidity (non-condensing)

Operating

Non-operating

feet

10,0001

50,000

All models

Altitude

Operating

Non-operating

W460--PO,max

All modelsMaximum Output Power (Main + Stand-by)

Vac

Vdc

2500

500

All models

Isolation Voltage

Input to outputs

Input to safety ground

Outputs to safety ground

Table 1. Absolute Maximum Ratings:

Note 1: Maximum ambient operating temperature linearly derated from 50ºC at 5,000 feet above sea level to 40ºC at 10,000 feet above sea level.

Vac264-90VI,AC

All models

Input Voltage:

AC continuous operation

UnitMaxTypMinSymbolModel

Parameter

Electrical Specifications

Absolute Maximum Ratings

Stress in excess of those listed in the “Absolute Maximum Ratings” may cause permanent damage to the power supply.

These are stress ratings only and functional operation of the unit is not implied at these or any other conditions above

those given in the operational sections of this TRN. Exposure to any absolute maximum rated condition for extended

periods may adversely affect the power supply’s reliability.

Rev.10.06.28_#0.4

DS460S-3 Series

Page 4

Preliminary

Input Specifications

mSec--10tHold-Up

VI,AC = 115 Vac

PO= PO,maxFA

Hold Up Time

mA1.0--II,leakage

(VI,AC = 240Vac, fI=

50/60 Hz)

Leakage Current to safety ground

%-92-η

VI,AC = 230 Vac

IO= 0.5 IO,max, IVSB = 0

Operating Efficiency @ 25oC

kHz???-???fSW,VSB

All

Stand-By Output Switching

Frequency

kHz115-???fSW,DC-DC

AllDCDC Switching Frequency

Vac???-???VI,AC-stop

IO= IO,max

Input AC Undervoltage Lockout

Voltage

Vac???-???VI,AC-start

IO= IO,max

Input AC Low Line Start-up Voltage

A10--

Internal, L line

250V, Fast-Acting

Input Fuse

7.0

PI,no-load

VI,AC = 115VAC

VI,AC = 230VAC

No Load Input Power

(VO= on, VSB = on, IO= 0, ISB = 0)

UnitMaxTypMinSymbolConditionsParameter

kHz???-???fSW,PFC

AllPFC Switching Frequency

APK

30--IIN,surge

VI,AC = 230VAC

Startup Surge Current (Inrush)

@ 25°C

--0.97PF

IO= IO,max

VI,AC = 240Vac

Power Factor

Per EN61000-3-2THDAllHarmonic Line Currents

Aac

6.0

3.0

II,max

VI,AC = 100VAC

VI,AC = 180VAC

Maximum Input Current

(IO= IO,max, IVSB = IVSB,Max)

Hz6350/6047fI,AC

AllInput Vac Source Frequency

Vac264115/23090VI,AC

AllOperating Input Voltage, AC

Table 2. Input Specifications:

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DS460S-3 Series

Page 5

Preliminary

Output Specifications

38.2-1IO

Single supply

N = 1

Output Current

2.5-0IVSB

68.9-2IO

Dual supplies

N = 1+1 2.5-0IVSB

mVPK-PK

120--VO

Measured over a

bandwidth of 0Hz to

20MHz

Output Ripple, pk-pk

120--VVSB

unit4--In same chassisMax number of parallel units

22,000-2,200VOµF

1,000-200VVSB

Unconditionally StableOutput Capacitance:

12.60-11.60VO

µSec100--AllSetting Time

Peak Deviation

Vdc

12.3312.3012.27VO

IO= 1A

12.612.0011.40VVSB

IVSB = 0.1A

Output Voltage Set points

13.20-10.80VVSB

50% load change,

maximum 0.5A/µSec

slew rate, Inclusive of

the static load

regulation

Dynamic Response

Table 3. Output Specifications:

12.612.0011.40VVSB

Vdc

12.4512.311.85VO

Measure at mating

connector

Output Static Regulation

UnitMaxTypMinSymbolConditionParameter

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DS460S-3 Series

Page 6

Preliminary

System Timing Specifications

mSec50--Delay from PSON# high to DCOK lowT12

mSec30-10

PSON# low to VOin regulation when AC has been present

for more than 5 seconds

T11

mSec500--

VOor VVSB falling from 90% nominal to <0.3V

(VO≥1A, VVSB ≥0.1A)

T10

mSec--40

AC input off to VOor VSB out of regulation at 57.5W output

power at 90Vac input

mSec--30

AC input off to VOor VVSB out of regulation at 115W output

power at 90Vac input

mSec--20

AC input off to VOor VVSB out of regulation at 230W output

power at 90Vac input

mSec--10AC input off to PSOK low at 460W output power

mSec4-0Delay from AC input off to DCOK mid levelT7

mSec100-50VOin regulation to DCOK highT6

mSec300-50

VVSB in regulation to VOin regulation at AC input turn on with

PSON# low

mSec30-10VOrise time, 0V to VOin regulationT4

mSec--40AC input off to PSOK low at 57.5W output power

mSec--30AC input off to PSOK low at 115W output power

mSec--20AC input off to PSOK low at 230W output power

mSec--10

AC input off to VOor VVSB out of regulation at 460W output

power at 90Vac input

mSec1,500-1,000AC input on to VOin regulation with PSON# asserted lowT3

Label

mSec30-10VVSB rise time, 0V to VVSB in regulation

mSec1,300-800

AC input on to VVSB in regulation after AC has been removed

for more than 5 seconds

Table 4. System Timing Specifications:

UnitMaxTypMinParameter

Rev.10.06.28_#0.4

DS460S-3 Series

Page 7

Preliminary

System Timing Specifications

Figure 1. System Timing Diagram:

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DS460S-3 Series

Page 8

Preliminary

Mechanical Specifications

Mechanical Outlines

AIRFLOW DIRECTION (NORMAL)

Rev.10.06.28_#0.4

DS460S-3 Series

Page 9

Preliminary

Connector Definitions

AC Input Connector

Pin 1 – Line

Pin 2 – Neutral

Pin 3 – Earth Ground

Output Connector – Power Blades

PB1 – VO

PB2 – VO

PB3 – VO

PB4 – RTN

PB5 – RTN

PB6 – RTN

PB7 – RTN

PB8 – RTN

PB9 – VO

PB10 – VO

Output Connector – Signal Pins

S1 – VSB

S2 – VSB

S3 – Reserved

S4 – PS INTERRUPT

S5 – PS PRESENT

S6 – PSOK

S7 – I-MON

S8 – PSON#

S9 – SCL

S10 – SDA

S11 – GND

S12 – ADD0

S13 – ADD1

S14 – ADD2

S15 – RTN

S16 – RTN

S8 S1

PB1

PB2

PB3

PB4PB5

S9 S16

PB10

PB9

PB8

PB7PB6

Earth Ground

Power Supply Output Card Edge (Top Side)

Power Supply Output Card Edge (Bottom Side)

Rev.10.06.28_#0.4

DS460S-3 Series

Page 10

Preliminary

Power / Signal Mating Connectors and Pin Types

Molex 459840007 (top mount)

PCB card edge (0.062”)

Table 5. Mating Connectors for DS460S-3 series

Molex 459841122 (bottom mount)

Output Connector

IEC320-C14IEC320-C13AC Input Connector

Mating Connector

or Equivalent

On Power SupplyReference

Rev.10.06.28_#0.4

DS460S-3 Series

Page 11

Preliminary

Environmental Specifications

EMC Immunity

DS460S-3 series power supply is designed to meet the following EMC immunity specifications:

Radio frequency common mode, Levels 3V (rms)

Modulated AM 80%. 1 kHz, 150 ohm source imp.

IEC 61000-4-6

Surge level 3 minimumIEC 61000-4-5

Electrical Fast Transients level 3 minimumIEC 61000-4-4

RFI 3V/mIEC 61000-4-3

Table 6. Environmental Specifications:

Harmonic DistortionIEC 61000-3-2

AC Input transients >95% 0.5 period 30% 25 period>95% 250 periodIEC 61000-4-11

ESD up to 4 kV contact, 8kv dischargeIEC 61000-4-2

Description

Document

Rev.10.06.28_#0.4

DS460S-3 Series

Page 12

Preliminary

Safety Certifications

The DS460S-3 series power supply is intended for inclusion in other equipment and the installer must ensure that it is in

compliance with all the requirements of the end application. This product is only for inclusion by professional installers

within other equipment and must not be operated as a stand alone product. The DS460S-3 series has been designed in

accordance with EN60950-1 ‘Safety of Information Technology Equipment’. The series also conforms with the provisions

of the European Council Low Voltage Directive 73/23/EEC (as amended by 93/68/EEC ) to bear the CE Mark.

Note, appropriate safety certificates and approvals are available to download from our website

www.powerconversion.com.

LVDCE Mark

(All CENELEC Countries)CB Certificate and Report

Investigated and marketed by TUVEuropean Community Safety (certified to

EN60950, A11 May 1996)

Safety of information Technology EquipmentCSA C22.2 60950-1 limited power clause

latest edition

Table 7. Safety Certifications for DS460S-3 series power supply system

Safety of information Technology EquipmentUL-60950-1 limited power clause latest

edition

Description

Document

Rev.10.06.28_#0.4

DS460S-3 Series

Page 13

Preliminary

EMI Emissions

The DS460S-3 series has been designed to comply with the Class B limits of EMI requirements of EN55022

(FCC Part 15) and CISPR 22 (EN55022) for emissions and relevant sections of EN61000 (IEC 61000) for immunity.

The unit is enclosed inside a metal box, tested at 460W using resistive load with cooling fan.

Conducted Emissions

Radiated Emissions

Unlike conducted EMI, radiated EMI performance in a system environment may differ drastically from that in a stand-alone

power supply. The shielding effect provided by the system enclosure may bring the EMI level from Class A to Class B. It is

thus recommended that radiated EMI be evaluated in a system environment. The applicable standard is EN55022 Class A

(FCC Part 15). Testing ac-dc convertors as a stand-alone component to the exact requirements of EN55022 can be

difficult, because the standard calls for 1m leads to be attached to the input and outputs and aligned such as to maximize

the disturbance. In such a set-up, it is possible to form a perfect dipole antenna that very few ac-dc convertors could pass.

However, the standard also states that ‘an attempt should be made to maximize the disturbance consistent with the typical

application by varying the configuration of the test sample’.

Table 8. Conducted EMI emission specifications of the DS460S-3 series

Typ

Max

dB-MarginAllEN 60601-1-2: 2001

dB-MarginAllCISPR 22 (EN55022) class B

dB-MarginAllVCCI Class II

dB-MarginAllFCC Part 15, class B

UnitMin Symbol Model Parameter

Rev.10.06.28_#0.4

DS460S-3 Series

Page 14

Preliminary

Power and Control Signal Descriptions

AC Input – IEC320 C14

This connector supplies the AC Mains to the DS460S-3 power supply.

Pin 1 - Line

Pin 2 - Neutral

Pin 3 - Earth Ground

Output Connector – Power Blades

These Power Blades provide the main output for the DS460S-3. The Vo and the TRN blades are the positive and negative

rails, respectively, of the main output of the DS460S-3 power supply. The RTN rail is electrically connected to the power

supply chassis.

PB1 - VO

PB2 - VO

PB3 - VO

PB4 - RTN

PB5 - RTN

PB6 - RTN

PB7 - RTN

PB8 - RTN

PB9 - VO

PB10 - VO

Control Connector – Signal Pins

The DS460S-3 contains a 16 pins control signal header providing control signal interface and standby power interface.

VSB (StandBy Voltage) – (S1 & S2 )

The DS460S-3 provides a regulated 12 volt 2.5 amp auxiliary output voltage to power critical circuitry that must remain

active regardless of the on/off status of the power supply’s main output. The VSB standby voltage is available whenever a

valid AC input voltage is applied to the unit. The VSB output is independently short circuit protected and is referenced to

the RTN pins (S15 & S16).

PS INTERRUPT – (S4)

The signal behavior in response to certain operating condition changes in the power supply as defined in the Firmware

Specification section. This signal shall be pulled up to maximum 5V logic level external to the PS.

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DS460S-3 Series

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Preliminary

PS PRESENT (Power Supply Present) – (S5)

PS PRESENT signal is used to sense the number of power supplies in the system (operational or not) and provide hot

plug insertion and removal functionality by controlling main outputs during hot plug insertion and removal by employing

following circuitry. When the unit is removed from the system the fast shut down signal quickly turns OFF main outputs

and discharges output capacitors. This signal is the shortest gold finger pin on the signal connector to allow for last make,

first break configuration.

Fast Shutdown

12V VSB

1.00K Ohm

Power Supply Side System Side

3.3V VSB

5.1K Ohm

PS PRESENT

When the power supply is plugged into a

system backplane, PS PRESENT is 0.54V

+/-5% and the 12V output is enabled. When

the power supply is removed, PS PRESENT

on the power supply is ~0V and the 12V

output is disabled.

When the power supply is plugged into the

system backplane, PS PRESENT is pulled

low (0.54V +/-5%) indicating a power supply

is present. When the power supply is

removed from the system, PS PRESENT on

the system side is pull up to 3.3V (system

side standby) indicating that no power supply

is present.

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DS460S-3 Series

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Preliminary

PSOK (Output OK Indicator) – (S6)

PSOK is a combined indicator of AC input and main 12V DC output. This is a three level signal to indicate different stages

as follows.

AC not OK and DC not OK – Signal status shall be LOW (<0.6V)

AC OK and DC not OK – Signal status shall be LOW (<0.6V)

AC OK and DC OK – Signal status shall be HIGH (> 3.0V)

AC not OK and DC OK – Signal status shall be Middle Level (Between 2V and 2.5V)

DC OK threshold is defined as when the 12V output is greater than 11.5V.

DC not OK threshold is defined as when the 12V output is less than 11.4V and greater than 11.3V.

I-Mon (Current Monitor) – (S7)

I-Mon signal provides both the load sharing function (as a feedback for output regulation droop function) and 12V output

current information. Signal characteristic is defined in below table.

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DS460S-3 Series

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Preliminary

PSON# (Power Supply ON) – (S8)

PSON# signal is required to remotely turn on/off the power supply. PSON# is an active low signal that turns

on the main 12V DC output. When this signal is not pulled low by the system, or left open, the 12V output is

turned off. This signal is pulled to a standby voltage by a pull-up resistor internal to the power supply. Refer to below

On/Off Timing for timing diagram. When in off or standby condition, the main 12V DC output will be less than 50mV with

respect to output return.

SCL, SDA (I2C Serial Clock and Data) – (S9 & S10)

I2C Serial Clock (SCL) signal and the Serial Data (SDA) signals are used to communicate power supply status with end

use system as defined in the Firmware Specification section. Both pins are bi-directional and are used to form a serial I2C

bus. These signals are pulled up to 5V logic level internal to the PS through separate 20KΩresistors. Capacitance on

each signal internal to the Power Supply is less than 150pF.

The end user system should also provide 3.3KΩto 10KΩpull-up resistors for the SDA and SCL lines to 5Vsb or an

appropriate VCC derived from 12V VSB. If system side of the I2C Bus is pulled up to a voltage lower than 5V, then level

shifting/isolation circuits must be placed between the PS side and the system side of the bus.

GND (I2C Signal Ground) – (S11)

Ground reference for I2C signals SCL and SDA

ADD0, ADD1, ADD2 (PS Address lines A0, A1, A2) – (S12, S13 & S14)

Address pins ADD0, ADD1 and ADD2 are used by end use system to allocate unit address to a power supply in particular

slot position. These lines are pulled up to 5V logic level internal to the PS. The end user system must pull these lines low

via 300Ωor less or leave it floating to assign the I2C address of the power supply.

Power supply FRU device address is configured per the table below:

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DS460S-3 Series

Page 18

Preliminary

RTN (Output Return) – (S15 & S16)

Power return for the standby voltage VSB, electrically connected to the main VO12VDC output return RTN

of the power blades.

Rev.10.06.28_#0.4

DS460S-3 Series

Page 19

Americas

5810 Van Allen Way

Carlsbad, CA 92008

USA

Telephone: +1 (760) 930 4600

Facsimile: +1 (760) 930 0698

Europe (UK)

Waterfront Business Park

Merry Hill, Dudley

West Midlands, DY5 1LX

United Kingdom

Telephone: +44 (0) 1384 842 211

Facsimile: +44 (0) 1384 843 355

Asia (HK)

14/F, Lu Plaza

2 Wing Yip Street

Kwun Tong, Kowloon

Hong Kong

Telephone: +852 2176 3333

Facsimile: +852 2176 3888

For global contact, visit:

www.powerconversion.com

techsupport.embeddedpower

@emerson.com

While every precaution has been taken to ensure

accuracy and completeness in this literature, Emerson

Network Power assumes no responsibility, and disclaims

all liability for damages resulting from use of this

information or for any errors or omissions.

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