HP Small Form Factor PC dc5850 7.2.2 MT Power Supply, Table, MT 300-WattPower Supply Unit Specifications

Power and Signal Distribution

7.2.2 MT Power Supply

The MT form factor comes standard with a 300-watt, passive-PFC power supply unit with the specifications and cabling as indicated in the following table and figure.

Table 7-2.

MT 300-Watt Power Supply Unit Specifications

	Range or	Min.
		Current	Max.	Surge	Max.
	Tolerance	Loading [1]	Current	Current [2]	Ripple
Input Line Voltage:
115–230 VAC (auto-ranging)	90–264 VAC	--	--	--	--
Line Frequency	47–63 Hz	--	--	--	--
Input (AC) Current	--	--	6.0 A	--	--
+3.3 VDC Output	+ 4 %	0.10 A	16.0 A	16.0 A	50 mV
+5.08 VDC Output	+ 3.3 %	0.30 A	19.0 A	19.0 A	50 mV
+5.08 AUX Output	+ 3.3 %	0.00 A	2.00 A	2.00 A	50 mV
+12 VDC Output	+ 5 %	0.10 A	11.0 A	11.0 A	120 mV
+12 VDC Output (Vcpu)	+ 5 %	0.10 A	11.5 A	11.5 A	120 mv
-12 VDC Output	+ 10 %	0.00 A	0.15 A	0.15 A	200 mV

NOTES:

Total continuous output power should not exceed 300 watts. Maximum surge power (<10 seconds) should not exceed 320 watts.

[1]Minimum loading requirements must be met at all times to ensure normal operation and specification compliance.

[2]Maximum surge duration for +12Vcpu is 1 second with 12-volt tolerance +/- 10%.

P7

P8

P9

P9

P3

P4

P5

P4, P5, P7, P8

4

3

2

1

2

4

P3

1 2 3 4 5

P1

1

3

Power Supply

13

24

P1

Unit

1

12

Pin

Pin

Pin

Conn

Pin 1

Pin 2

Pin 3

Pin 4

Pin 5

Pin 6

Pin 7

Pin 8

Pin 9

10

11

12

P1

+3.3

+3.3

RTN

+5

RTN

+5

RTN

POK

5 aux

+12

+12

+3.3

P1 [1]

+3.3

-12

RTN

PS On

RTN

RTN

RTN

nc

+5

+5

+5

RTN

P3

RTN

RTN

VccP

VccP

P4, 5, 7, 8

+12

RTN

+5.08

RTN

+3.3

P9

+5

RTN

RTN

+12

NOTES:

All + and - values are VDC. RTN = Return (signal ground) GND = Power ground

RS = Remote sense

POK = Power ok (power good)

[1] This row represents pins 13–24 of connector P1.

Figure 7-3. MT Power Cable Diagram

Technical Reference Guide www.hp.com 7-3