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5 at power delivery guideline, 1 at power diagram, 5 at p – IEI Integration ICE-DB-9S User Manual

Page 106: Ower, Elivery, Uideline, Figure 5-5: at power delivery block diagram, Table 5-3: atx power on sequence timing

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Page 93

ICE Module

Table 5-3: ATX Power On Sequence Timing

Parameters min

Max

Description

T0

T1

T2

T3

T4

T5

T6

T7

T8

5.5 AT Power Delivery Guideline

AT power source will provide 12V, 5V power. The additional switching regulator or

LDO will be required to simulate the ATX power (3.3V…). There will be no standby

voltage once AT power source be used.

5.5.1 AT Power Diagram

AT Power

Source

12V

5V

COM-

Express

Module

3.3V

Figure 5-5: AT Power Delivery Block Diagram

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