EUROPE
AMERICAS
ASIA
Astec House, Waterfront Business Park
Merry Hill, Dudley
5810 Van Allen Way
Carlsbad, CA 92008
Units 2111-2116, Level 21
Tower1, Metroplaza
West Midlands, DY5 1LX, UK
Telephone: 44 (1384) 842-211
Facsimile: 44 (1384) 843-355
Telephone: 760-930-4600
Facsimile: 760-930-0698
223, Hing Fong Road
Fwai Fong, New Territories
Hong Kong
Telephone: 852-2437-9662
Facsimile: 852-2402-4426
Ordering Information
Table 1
Output
Nominal Output
Voltage Set Point
Set Point
Tolerance
Total
Regulation
Minimum
Current
Maximum
Current
Output
Ripply P/P
Over
Current
DS450-3
DS550-3
12.0vdc
3.30vsb
+/-0.2%
+/-1%
+5/-3%
+5/-4%
0A
0A
37.0A
3.0A
120mV
60mV
39.5 - 44.4A
4.9A Avg, 7A Max
12.0vdc
3.30vsb
+/-0.2%
+/-1%
+5/-3%
+5/-4%
0A
0A
45.0A
3.0A
120mV
60mV
48.0A - 54.0A
4.9A Avg, 7A Max
Table 2
DC Output Connector Pinout Assignment
Male connector as viewed from the rear of the supply:
D1 D2 D3 D4 D5 D6
C1 C2 C3 C4 C5 C6
PB1 PB2 PB3 PB4 PB5 PB6
B1 B2 B3 B4 B5 B6
Pin
PB 1
PB 2
PB 3
PB 4
PB 5
PB 6
A1
A2
A3
A4
A5
Signal Name
+12V RETURN
+12V RETURN
+12V RETURN
+12V
+12V
+12V
PS_KILL
+12V CURRENT SHARE
LOGIC RETURN
+3V3 STAND-BY
A0 (I2C Address BIT 0 Signal)
+3V3 STAND-BY
P1 - Power Supply Side
1. FCI Power Blade 51721 series
51721-10002406AA
A1 A2 A3 A4 A5 A6
2. Molex Power Connector
SD-87667 series
87667-7002
Mating Connector (System Side)
A6
1.FCI Power Blade
51741-10002406CC
Strait Pins
B1
LOGIC RETURN
B2
SPARE
B3
LOGIC RETURN
B4
B5
B6
C1
C2
C3
+3V3 STAND-BY
2.FCI Power Blade
51761-10002406AA
Right Angle
SDA (I2C Data Signal)
PSON (Power Enable Signal)
LOGIC RETURN
TACH 1 (Fan Fail Signal)
LOGIC RETURN
C4
+3V3 STAND-BY
C5
C6
SCL (I2C Clock Signal)
VIN_GOOD (AC Input Present)
-PS_PRESENT ( Power Supply Seated)
SPARE
LOGIC RETURN
+3V3 STAND-BY
D1
D2
D3
D4
D5
D6
S_INT (Alert)
POK (Output Power Ok)
2
www.astecpower.com
ASTEC [ Astec America, Inc ]
