Embedded Power for
Business-Critical Continuity
DS650DC-3 /
DS850DC-3
650 - 850 Watt
Distributed Power System
Distributed Power Bulk Front-End
Total Output Power: 650 - 850 Watts
+3.3vdc Stand-by Output
Standard Telco input range -39 V to
-72 VDC
Rev. 02.23.10
DS650DC-3 / DS850DC-3
1 of 4
DC Input
Connector input shown
Special Features
• 1U X 2U Form Factor
• 15.4W/ in
3
• +12Vdc Output
• +3.3vdc Stand-By
(5V standby - consult factory)
• No Minimum Load Required
• Hot Plug Operation
• N + 1 Redundant
• Internal OR’ing Fets
• Active Current Sharing
2PSU Shared from 30% to 100%
4PSU Shared from 20% to100%
• Built-in Cooling Fan
(40mm x 28mm)
• I
2
C Communication Interface Bus
• EERPOM for FRU Data
• Red/Green Bi-Color LED Status
• Internal Fan Speed Control
• Fan Fail Tach Output Signal
• INTEL, SSI Std. Logic Timing
• INTEL, SSI Std. FRU Data Format
• One Year Warranty
Electrical Specifications
Input
Input range:
Efficiency:
Conducted EMI:
Radiated EMI:
Hold up time:
-39 V to -72 Vdc
> 80% typical
FCC Subpart J EN55022 Class B
FCC Subpart J EN55022 Class B
1 ms @48 Vdc
+12 V @ 70 A; DS850DC
+12 V @ 52.5 A; DS650DC
+3.3 Vsb @ 6A (5V @ 4A available)
Factory Set, no pot adjustments
+12 Vdc; +5%/-5%
+3.3 Vsb; +5%/-5%
+12 Vdc; 77A - 105A - DS850DC;
+12 Vdc 57.75 A - 78.75 A; DS650DC
latches off if overcurrent lasts over 1 second,
otherwise it is auto recovery.
+3.3 vsb, 9A max (hiccup mode)
+12 Vdc; 13.2 - 14.4 Vdc
+3.3 Vsb; 3.76 - 4.30 Vdc
+12 Vdc; 9 - 10.8V (latch off)
2 Second max
10 - 300 mS, Monotonic Rise
Output
Main DC voltage:
Stand-By:
Adjustment range:
Regulation:
Over current:
Over voltage:
Under voltage:
Turn-on delay:
Safety
• UL/cUL 60950 (UL Recognized)
• NEMKO+ CB Report EN60950
• CE Mark
• China CCC
+12VOutput Rise Time:
Embedded Power for
Business-Critical Continuity
Logic Control
PS_SEATED
PWR GOOD
DC Input OK
TTL logic LOW if power supply is seated into system
connector. This is a short pin. A logic HIGH if the PSU is removed.
Active TTL HiIGH when output is within regulation limits.
A LOW logic level if the input voltage is within allowable limits. A TTL logic HIGH level,
and a 5mS early warning
signal before 12.0v DC output loss of regulation.
A TTL logic HIGH, when operating within allowable
temperature range.
When left open power supply operation will be inhibited. When the power supply is
inserted into the system, this pin will be pulled low by the system and turn the power
supply on.
Rev.02.23.10
DS650DC-3 / DS850DC-3
2 of 4
Temp OK
PS_INHIBIT/PS_KILL
Environmental Specifications
Operating temperature:
Storage temperature:
Altitude, operating:
-5° to 50 °C
-40 °C to +85 °C
10,000 ft
Electromagnetic
-EN61000-3-2, -3-3
susceptibility / Input transients: -EN61000-4-2, 4.3, 4-4, -4-5, 4-11 Level
-EN55024:1998
RoHS & lead-free compliant (no tantalum caps.)
Humidity:
20 to 90% RH, non-condensing
Shock and vibration specificatons complies with Astec Std. Specifications, Q3205
MTBF (observed)
500K Hrs at 80% load
Ordering Information
Output
DS850DC-3
DS650DC-3
Nominal Output
Voltage Set Point
12.0 Vdc
3.3 Vsb*
12.0 Vdc
3.3 Vsb*
Set Point
Tolerance
± 0.2%
± 1%
± 0.2%
± 1%
Total
Regulation
± 5%
± 5%
± 5%
± 5%
Minimum
Current
0A
0A
0A
0A
Maximum
Current
70 A
6.0 A
52.5 A
6.0 A
Output Ripple
P/P
120 mV
50 mV
120 mV
50 mV
*For 5 Vsb, consult marketing.
Embedded Power for
Business-Critical Continuity
Mechanical Drawing
Power Supply Condition
No AC power to all PSU
AC present/Standby outpus ON,
Main output OFF
Power supply DC outputs ON and OK
Main output failure (OCP, OVP, UVP)
Fan Fail, OTP, Standby output OCP/UVP
LED
Green/Amber
OFF
Blinking Green
Solid Green
Blinking Amber
Solid Amber
Rev. 02.23.10
DS650DC-3 / DS850DC-3
3 of 4
Terminal block input shown
Embedded Power for
Business-Critical Continuity
DC Output Connector Pinout Assignment
Male connector as viewed from the rear of the supply:
D1
C1
B1
A1
D2
C2
B2
A2
D3
C3
B3
A3
D4
C4
B4
A4
D5
C5
B5
A5
D6
C6
B6
A6
PB1 PB2 PB3 PB4 PB5 PB6
Americas
5810 Van Allen Way
Carlsbad, CA 92008
USA
Telephone: +1 760 930 4600
Facsimile: +1 760 930 0698
Rev. 02.23.10
DS650DC-3 / DS850DC-3
4 of 4
Europe (UK)
Pin
PB 1
PB 2
PB 3
PB 4
PB 5
PB 6
A1
A2
A3
A4
A5
A6
B1
B2
B3
B4
B5
B6
C1
C2
C3
C4
C5
C6
D1
D2
D3
D4
D5
D6
Signal Name
+12V RETURN
+12V RETURN
+12V RETURN
+12V
+12V
+12V
PS_ON
+12V RMT SENSE RETURN
TEMP_OK
PS_SEATED ( Power Supply Seated)
+3V3 STAND-BY
+3V3SB RETURN
DC input OK
+12V RMT SENSE
+12V CURRENT SHARE
PS_INHIBIT / PS_KILL
+3V3 STAND-BY
+3V3SB RETURN
SDA (I2C Data Signal)
SCL (I2C Clock Signal)
POWER GOOD
FAN FAIL (Fan Fail Signal)
+3V3 STAND-BY
+3V3SB RETURN
A0 (I2C Address BIT 0 Signal)
A1 (I2C Address BIT 1 Signal)
S_INT (Alarm)
+3V3 STAND-BY RMT SENSE
+3V3 STAND-BY
+3V3SB RETURN
P1 - Power Supply Side
1. FCI Power Blade 51721 series
51721-10002406AA
2. Molex Power Connector
SD-87667 series
87667-7002
Mating Connector (System side)
1. FCI Power Blade
51741-10002406CC
Strait Pins
2. FCI Power Blade
51761-10002406AA
Right Angle
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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