User's Manual

Min UnitMax
. Power Down Warning : 1ms<T4<200ms
V
2.3.4 VOLTAGE HOLD-UP TIME
The power supply shall maintain output regulation per section 2.2.1 despite
a loss of input power at the low-end nominal range at maximum continuous
Parameter
2.4 OUTPUT PROTECTION
2.4.1. OVER VOLTAGE PROTECTION
+5VDC 5.74 6.3 7.0
+12VDC 13.4 15 15.6V
Nom
DATE: 2005. 1. 17
. +5V : 25A~ Test Condition : Output Full Load
. +3.3V : 25A~
. +12VDC1 : 18A~
PAGE: 5/9ZALMAN SPECIFICATION
MODEL NO: TNN350APF-V1 REV.0
. +12VDC2 : 18A~
. Logic level Low : <0.4V 4mA
+3.3VDC 3.76 4.2 4.3
*Change latch mode at above voltage in power supply unit.
2.4.2. SHORT CIRCUIT PROTECTION
. Shutdown or latch at short +3.3, +5V and +12V.
. No damage in compenents, PCB trace connector at continous shout.
. The maximum short circuit current shall not exceed 240VA.
2.4.3. OVER POWER PROTECTION
V
V
output load as specified in section 1.1 for a minimum 17ms.
2.3.3 POWER GOOD SIGNAL, POK
. Logic level High :Between 2.4VDC and 5VDC output while sourcing current, 2mA
. Signal Type : Open Collector +5VDC, TTL compatible.
. POK Delay : 200mS<T3<1000ms