Iei-integration ICE-DB-T6 User Manual Page 82

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Type 6 Carrier Board Design Guide
Page 72
4.4.2 ATX Power Diagram
ATX Power
Source
COM-Express
Module
LD
O
+3.3VSB
+12V
+5VSB
Battery(3.3V)
+5V
+3.3V
-12V
-5V
Figure 4-3: ATX Power Delivery Block Diagram
4.5 AT Power Delivery Guideline
The AT power source will provide 12V and 5V power. The additional switching regulator or
LDO will be required to simulate the ATX power (3.3V…). The AT power deliver diagram is
shown below.
Figure 4-4: AT Power Delivery Block Diagram
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