Power and Signal Distribution

Table 7-3.

300-Watt (MT) Power Supply Assembly Specifications

 

 

Min.

 

 

 

 

 

Range/

Current

Max.

Surge

Max.

 

Tolerance

Loading [1]

Current

Current [2]

Ripple

 

 

 

 

 

 

 

 

Input Line Voltage:

 

 

 

 

 

 

 

115 VAC Setting

90 - 132 VAC

--

 

--

--

 

--

230 VAC Setting

180 - 264 VAC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Line Frequency

47–63 Hz

--

 

--

--

 

--

 

 

 

 

 

 

 

 

Constant Input (AC) Current

--

--

 

8.0 / 4.0A

--

 

--

+3.3 VDC Output

+ 5%

0.1 A

18.0 A

19.0 A

50 mV

 

 

 

 

 

 

 

+5 VDC Output

+ 5%

0.3

A

25.0 A

25.0 A

50 mV

 

 

 

 

 

 

 

 

+5 AUX Output

+ 5%

0.0

A

2.0 A

2.0

A

50 mV

+12 VDC Output

+ 5 %

0.1 A

6.5 A

6.5

A

120 mV

 

 

 

 

 

 

+12 VDC Output (Vcpu)

+ 5 %

0.1 A

12.5 A

12.5 A

120 mv

 

 

 

 

 

 

--12 VDC Output

+ 10 %

0.0 A

0.8 A

0.8 A

200 mV

NOTES:

Total continuous power should not exceed 300 watts. Total continuous power (excluding 5 V aux output) should not exceed 290 watts

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

[2]Surge duration no longer than 10 seconds with 12-volt tolerance +/- 10%.

Table 7-4 lists the specifications for the 340-watt power supply used in the CMT form factor and in some MT form factors.

Table 7-4.

340-Watt (MT/CMT) Power Supply Assembly Specifications

 

Range or

Min.

 

 

 

 

Current

Max.

Surge

Max.

 

Tolerance

Loading [1]

Current

Current [2]

Ripple

 

 

 

 

 

 

Input Line Voltage:

 

 

 

 

 

115–230 VAC (auto-ranging)

90–132 VAC

--

--

--

--

 

 

 

 

 

 

Line Frequency

47–63 Hz

--

--

--

--

 

 

 

 

 

 

Input (AC) Current

--

--

6.0 A

--

--

+3.3 VDC Output

+ 4 %

0.10 A

24.0 A

24.0 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

3.00 A

3.00 A

50 mV

+12 VDC Output

+ 5 %

0.20 A

12.0 A

14.5 A

120 mV

 

 

 

 

 

 

+12 VDC Output (Vcpu)

+ 5 %

0.00 A

12.5 A

12.5 A

200 mv

 

 

 

 

 

 

-12 VDC Output

+ 10 %

0.00 A

0.15 A

0.15 A

200 mV

NOTES:

Total continuous output power should no exceed 340 watts. Maximum surge power should not exceed 360 watts. Total continuous power (excluding 5 V aux output) should not exceed 325watts.

Maximum combined power of +5 and +3.3 VDC is 160 watts.

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

[2]Surge duration no longer than 10 seconds with 12-volt tolerance +/- 10%.

Technical Reference Guide

361834-002

7-3