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TFX12V Power Supply Design Guide
Thin Form Factor with 12-V Connector
Version 2.0
Table 5. Typical Power Distribution for 240 W TFX12V Configurations
Output
Minimum Current
(amps)
Rated Current
(amps)
Peak Current
(amps)
+12 VDC 1.0 16.0 18.0
+5 VDC 0.3 18.0 (Note)
+3.3 VDC 0.5 17.0 (Note)
-12 VDC 0.0 0.3
+5 VSB 0.0 2.0 2.5
Note: Total combined output of 3.3 V and 5 V is 115 W
Peak currents may last up to 17 seconds with not more than one occurrence per minute
240W Cross Regulation
(5V rail + 3.3V rail vs. 12V)
0
20
40
60
80
100
120
0 50 100 150 200
12V power (watts)
5V + 3.3V
p
ower
(
watts
)
Combined Power
(5V rail + 3.3V rail)
Figure 4. Cross Loading Graph for 240W Configuration