03
TTL level
"H" 2.0 V - 5.25 V
"L" 0.0 V – 1.0 V
The PSON# signal is required to remotely turn on/off the power supply, PSON# is an active low signal
that turns on the output power rails. When this is not pulled low by the system, or left open, the outputs
(except the +5VSB) turn off. This signal is pulled to a standby voltage by a pull-up resistor internal to the
power supply.
3.2 Remote On/Off Controlled mode
The cross regulation defined as follows, the output regulation should be within the specified range.
3.3 Regulation
DC output rise time is less than 20 mS at nominal line and full load.
3.4 Rise Time
DC +5V output maintains at least16mS is full 1oad after power off which hold within para 3.1 under
115V/60Hz and 230V/50Hz condition.
3.5 Hold-up Time
5VSB is requierd for the implementation of PS-ON described above. 5VSB is a standby voltage that may
be used to power circuits that require power input during the powered-down state of all power rails. The
5 VSB pin should deliver 5V ± 5% at a minimum of 3A for PC board circuits to operate. Conversely, PC
board should draw no more than 3A maximum form this pin. This power may be used to operate circuits
such as soft power control.
3.6 5VSB
Load
Light Load
Typical Load
Full Load
+5V
2.1A
5.24A
10.48A
+3.3V
2.1A
5.24A
10.48A
+12V
6.62A
16.56A
33.14A
-12V
0.05A
0.12A
0.25A
+5Vsb
0.5A
1.24A
2.49A
Summary of Contents for SST-SX500-LG
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