MODEL NO.:
RAM-2601~2608S
REV.:1.3
UL/cUL/TUV STANDARD
RS020340
3/3
2002/12/24
**** THE OUTPUT VOLTAGE LOAD REGULATION IS LESS THAN THE VALUES IN THE ABOVE
TABLE BY CHANGING EACH OUTPUT LOAD ±40% FROM 60% RATED OF LOAD, AND
KEEP
THE
OTHER OUTPUTS AT 60% OF RATED LOAD.
3. ELECTRONIC CHARACTERISTICS :
3-1. RISE TIME:
20mS
MAX.
3-2. HOLD UP TIME:
20mS MIN. TEST CONDITION AT 230V AC INPUT AND RATED LOAD, AC OFF POINT
AT 0 DEGREE.
3-3. OVER LOAD PROTECTION:
WHEN OUTPUT POWER OVER 105% TO
150%
OF RATED LOAD, THE POWER SUPPLY
WILL SHUTDOWN.
3-4. SHORT CIRCUIT PROTECTION:
WHEN OUTPUT SHORT TO GROUND, THE POWER SUPPLY WILL SHUTDOWN.
3-5. OVER TEMPERATURE PROTECTION: (OPTION)
WHEN THE POWER SUPPLY TEMPERATURE OVER
95
°C
, THE POWER SUPPLY
WILL SHUTDOWN.
3-6 POWER GOOD SIGNAL:
POWER ON WITHIN 100----500ms, HIGH LEVEL TTL SIGNAL RELEASE.
3-7 PS-ON SIGNAL:
THE PS-ON TTL SIGNAL SWITCHES ON/OFF THE PS.
THE INPUT IS DUE TO A 30K PULL UP RESISTOR CONNECTED TO +5VSB.
IF THE INPUT IS OPEN (DEFAULT)THE PS IS SWITCHED OFF.
LOGIC STATE
FUNCTION
INPUT VOLTAGE
INPUT CURRENT
PS-ON =HI
P/S IS SWITCHED OFF PS-ON >2V
PS-ON =LOW P/S IS SWITCHED ON PS-ON <0.8V
MAX-3mA@0V
3-8 POWER FAIL ALARM:
IF ONE POWER MODULE FAIL OR TURN OFF, THE BUZZER WILL BEEP, AND TTL
SINGLE WILL ON LOW.
3-9 FAN FAIL ALARM:
ONE POWER MODULE FAN FAIL OR SYSTEMS FAN FAIL , THE BUZZER WILL BEEP
AND TTL SIGNAL WILL ON LOW.
