Design and Environmental Specifications

Intel® Server Boards S5000PSL and S5000XSL TPS

Table 45. Turn On/Off Timing

 

Item

 

 

Description

 

Minimum

 

Maximum

 

Units

Tsb_on_delay

Delay from AC being applied to 5VSB being within regulation.

 

 

1500

 

ms

 

 

 

 

 

 

 

 

 

Tac_on_delay

Delay from AC being applied to all output voltages being within

 

 

2500

 

ms

 

 

regulation.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Tvout_holdup

Time all output voltages stay within regulation after loss of AC.

21

 

 

 

ms

 

 

 

 

 

 

 

 

 

 

Tpwok_holdup

Delay from loss of AC to de-assertion of PWOK

 

20

 

 

 

ms

 

 

 

 

 

 

 

 

 

Tpson_on_delay

Delay from PSON# active to output voltages within regulation

5

 

400

 

ms

 

 

limits.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Tpson_pwok

Delay from PSON# deactivate to PWOK being de-asserted.

 

 

50

 

ms

 

 

 

 

 

 

 

 

 

Tpwok_on

Delay from output voltages within regulation limits to PWOK

100

 

500

 

ms

 

 

asserted at turn on.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Tpwok_off

Delay from PWOK de-asserted to output voltages (3.3V, 5V,

1

 

 

 

ms

 

 

12V, -12V) dropping out of regulation limits.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Tpwok_low

Duration of PWOK being in the de-asserted state during an

100

 

 

 

ms

 

 

off/on cycle using AC or the PSON signal.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Tsb_vout

Delay from 5VSB being in regulation to O/Ps being in

50

 

1000

 

ms

 

 

regulation at AC turn on.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

T5VSB_holdup

Time the 5VSB output voltage stays within regulation after loss

70

 

 

 

ms

 

 

of AC.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AC Input

 

 

 

 

 

 

 

 

 

 

 

 

 

Tvout_holdup

 

 

 

 

 

 

 

Vout

 

 

 

 

 

 

 

 

 

 

 

TAC_on_delay

 

Tpwok_low

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Tsb_on_delay

 

Tpwok_on

Tpwok_off

Tsb_on_delay

Tpwok_on

 

 

Tpwok_off

 

 

 

 

 

 

PWOK

 

Tpwok_holdup

 

 

 

 

Tpson_pwok

 

5VSB

Tsb_vout

T5VSB_holdup

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Tpson_on_delay

PSON

 

 

AC turn on/off cycle

PSON turn on/off cycle

 

 

Figure 26. Turn On/Off Timing (Power Supply Signals)

 

 

 

 

86

 

Revision 1.2

 

 

 

Intel order number: D41763-003