Power Supply Assembly - HP Deskpro EX Technical Reference Manual

Chapter 7 Power and Signal Distribution

7.1.1 POWER SUPPLY ASSEMBLY

The power supply assembly is contained in a single unit that features a selectable input voltage:
90-132 VAC and 180-264 VAC. Deskpro EX DT systems use a 145-watt supply while Deskpro
EX MT systems employ a 200-watt supply. Tables 7-1 and 7-2 list the specifications of the power
supplies.
Table 7–1. 120-Watt Power Supply Assembly Specifications
145-Watt Power Supply Assembly Specifications (P/N 189801)
Input Line Voltage:
110 VAC Setting
220 VAC Setting
Line Frequency
Steady State Input (VAC) Current
+3.3 VDC Output
+5 VDC Output
+5 AUX Output
+12 VDC Output
-12 VDC Output
NOTE: Desktop units are specified as 120-watt systems even though a 145-watt
power supply is used.
Table 7–2. 200-Watt Power Supply Assembly Specifications
200-Watt Power Supply Assembly Specifications (P/N 190769)
Input Line Voltage:
110 VAC Setting
220 VAC Setting
Line Frequency
Steady State Input (VAC) Current
+3.3 VDC Output
+5 VDC Output
+5 AUX Output
+12 VDC Output
-12 VDC Output
7-2 Compaq Deskpro EX Series of Personal Computers
Table 7-1.
Range/ Min. Current
Tolerance Loading [1]
90 - 132 --
VAC --
180-264
VAC
47 - 63 Hz --
-- --
+/- 5% 0.00 A
+/- 5 % 1.30 A
+/- 4 % 0.00 A
+/- 5 % 0.10 A
+/- 10 % 0.00 A
Table 7-2.
Range/ Min. Current
Tolerance Loading [1]
90 - 132 --
VAC --
180-264
VAC
47 - 63 Hz --
-- --
+/- 4% 1.40 A
+/- 5 % 1.40 A
+/- 4 % 0.10 A
+/- 5 % 0.07 A
+/- 10 % 0.00 A
First Edition - August 2000
Max. Surge
Current Current [2]
-- --
-- --
-- --
4.0 A --
10.0 A 10.0 A
15.0 A 15.0 A
2.00 A 2.00 A
4.00 A 5.00 A 120 mV
0.30 A 0.40 A 200 mV
Max. Surge
Current Current [2]
-- --
-- --
-- --
6.00 A --
14.0 A 14.0 A
22.0 A 22.0 A
2.00 A 2.00 A
6.00 A 8.00 A 120 mV
0.30 A 0.30 A 200 mV
Max.
Ripple
--
--
--
--
50 mV
50 mV
50 mV
Max.
Ripple
--
--
--
--
50 mV
50 mV
50 mV