STRIDER ESSENTIAL SERIES
03
3.2 Remote On/Off Controlled mode
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.
TTL level "H" 2.0 V - 5.25 V
"L" 0.0 V – 1.0 V
3.3 Regulation
The cross regulation defined as follows, the output regulation should be within the
specified range.
3.4 Rise Time
DC output rise time is less than 20 mS at nominal line and full load.
3.5 Hold-up Time
DC +5V output maintains at least 8mS after power off which hold within para 3.1
under 230V/50Hz condition.
3.6 5VSB
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 2.5 A for PC board circuits to operate. Conversely, PC board should
draw no more than 2.5A maximum form this pin. This power may be used to operate
circuits such as soft power control.
Load
Light Load.
Typical Load
Full Load
+5V
2.50A
6.25A
12.49A
+3.3V
3.00A
7.49A
14.99A
+12V1
6.22A
15.54A
31.08A
-12V
0.06A
0.14A
0.28A
+5Vsb
0.47A
1.17A
2.33A
04
3.7 PG-OK
PG-OK is a power good signal and should be asserted high by power supply to
indicate that the +5 VDC and +3.3 VDC outputs are above the under-voltage
thresholds of the power supply. When this signal is asserted high, there should be
sufficient mains energy stored by the converter to guarantee continuous power
operation within specification. Conversely, when either the +5VDC or the +3.3VDC
output voltage falls below the under-voltage threshold, or when mains power has
been removed for a time sufficiently long so that power supply operation is no longer
guaranteed, PG-OK should be deasserted to a low state. See Figure 1 for a
representation of the timing characteristics of the PG-OK,PS-ON, and germane
power rail signals.
3.8 3.3V Sense
A default 3.3V sense line should be implemented pin 13 of the connector.
3.9 Capacitive Load
The power supply should be able to power up and operate normally with the following
capacitances simultaneously present on the DC outputs.
Output
+5V
+12V
+3.3V
Capacitive load (uF)
10,000
10,000
10,000
-12V
+5VS
350
350
4.1 Input Protection
In primary circuit of the power supply , a protected fuse is inserted. Only internal fault
of the power supply will cause the fuse blown. Any overload or short circuit at DC
output will keep from fuse brown or fire hazard.
4.Protection
4.2 Output Protection
4.2.1 Under voltage protection
4.2.1 Under voltage protection
The +5V/+3.3V DC output are protected against the under voltage condition .
range value can't be exceed 3.3~3.7V at 5V terminal and 2.0~2.4V at 3.3V.
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