English
Language : 

DS450-3 Datasheet, PDF (1/4 Pages) Astec America, Inc – 450-550 Watts 12V DS450-3/DS550-3 Distributed Power System
POWER
Data Sheet
Total Output Power: 450 - 550 Watts
+12 Vdc Main Output
+3.3 Vdc Standby Output
Wide Range Input Voltage:
90 - 264 Vac
DS450-3/DS550-3
Distributed Power Bulk Front-End
SPECIAL FEATURES
ƒƒ Active power factor correction
ƒƒ EN61000-3-2 harmonic compliance
ƒƒ Inrush control
ƒƒ 1U X 2U form factor
ƒƒ 10.3 W/in3 (DS550) 8.4 W/in3 (DS450)
ƒƒ +12 Vdc output
ƒƒ +3.3 Vdc standby
ƒƒ No minimum load required
ƒƒ Hot plug operation
ƒƒ N + 1 redundant
ƒƒ Internal OR’ing fets
ƒƒ Active current sharing
ƒƒ Built-in cooling fans (40 mm x 28 mm)
ƒƒ I2C communication interface bus
ƒƒ EEPROM for FRU data
ƒƒ Amber LED status, fan_fail
ƒƒ Green LED status,
power good/AC_OK status
ƒƒ Internal fan speed control
ƒƒ Fan fail tach output signal
ƒƒ One year warranty
SAFETY
ƒƒ UL/cUL 60950 (UL recognized)
ƒƒ NEMKO+ CB report EN60950
ƒƒ EN60950
ƒƒ CE mark
ƒƒ China CCC
Electrical Specifications
Input
Input ra­nge
90 - 264 Vac (wide range)
Frequency
47 - 63 Hz, single phase AC
Inrush current
15 A maximum
Efficiency
> 84% typical at full load, high line
Conducted EMI
FCC Subpart J EN55022 Class A
Radiated EMI
FCC Subpart J EN55022 Class A
Power factor
0.99 typical
Leakage current
1.30 mA @ 240 Vac
Hold up time
20 ms minimum
Output
Main DC voltage
+12 V
Standby
+3.3 Vsb
Adjustment range
Factory set, no pot adjustments
Regulation
+12 Vdc; +5%/-3%
+3.3 Vsb; +5%/-4%
Overcurrent
See Table 1 next page
Overvoltage
+12 Vdc; 13.5 - 15 Vdc
+3.3 Vsb; 3.76 - 4.30 Vdc
Undervoltage
+12 Vdc; 11.0 - 11.5 Vdc
+3.3 Vsb; 2.77 - 3.00 Vdc
Turn-on delay
1 second max
+12 V output rise time
2 - 20 mS, monotonic