
Rev. 01.18.06
DS650-3
1 of 4
Embedded Power for
Business-Critical Continuity
DS650-3
650 Watts 12V
Distributed Power System
Special Features
Active Power Factor Correction
EN61000-3-2 Harmonic
Compliance
Active AC Inrush Control
1U X 2U Form Factor
11.76W / in
3
(DS650)
+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
(10 - 100% load)
Built-in Cooling Fans
(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
Distributed Power Bulk Front-End
Total Output Power: 650 Watts
+12Vdc main Output
+3.3vdc Stand-by Output
Wide Range Input voltage: 90 - 264VAC
Electrical Specifications
Input
Input range
Safety
UL/cUL 60950 (UL Recognized)
NEMKO+ CB Report EN60950
EN60950
CE Mark
China CCC
90-264 VAC (wide range)
Frequency
Inrush current
47-53 Hz, single phase AC
55A maximum inrush current
>82% typical at full load, high line
FCC Subpart J EN55022 Class B
FCC Subpart J EN55022 Class B
0.99 typical
1.40mA @ 240VAC
20ms minimum
Efficiency
Conducted EMI
Radiated EMI
Power factor
Leakage current
Hold up time
Output
Main DC voltage
+12V @ 52.5A
Stand-By
Adjustment range
Regulation
+3.3vsb @ 6A (5V @ 4A available)
Factory Set, no pot adjustments
+12Vdc; +5%/-5%
+3.3vsb; +5%/-5%
+12Vdc; latches off if overcurrent lasts over 1 second,
otherwise it is auto recovery (See Table 1 next page)
+3.3vsb, 9A max (hiccup mode)
+12Vdc; 13.2 - 14.4vdc
+3.3vsb; 3.76 - 4.30vdc
+12Vdc; 9 - 10.8V (latch off)
2 Second max, 5 - 50mS, Monotonic Rise
5 - 50mS, Monotonic Rise
Over current
Over voltage
Under voltage
Turn-on delay
+12VOutput Rise Time