MFA350PS12 Datasheet, PDF (1/4 Pages) XP Power Limited – AC-DC Power Supplies

350 Watts
MFA350 Series
xppower.com
• Screw Terminals Available
• U-Channel, Cover Fan & Hotswap Formats
• High Power Density up to 11.1 W/in³
• -10 °C to +70 °C Operation
• Power Fail, DC OK & Active Current Share
• 5 V Standby & 12 V Fan Supply Outputs
• 48 VDC Input Versions Available (DFA350)
Specification
Input
Input Voltage
• 85-264 VAC
(derate output power 10% below 90 VAC)
Input Frequency
• 47-63 Hz
Input Current
• Typically 3.6 A at 115 VAC &
1.8 A at 230 VAC
Inrush Current
• <60 A max at 230 VAC cold start
Power Factor
• >0.9 harmonics compliant with
EN61000-3-2 Class A
Earth Leakage Current • Typically 1 mA at 230 VAC/50 Hz,
0.5 mA at 115 VAC/60 Hz
Input Protection
• T6.3 A/250 V internal in line fuse
Output
Output Voltage
• See tables
Output Voltage Trim • ±10%
Initial Set Accuracy • V1 ±1%, V2 ±5%, V3 ±3%
Minimum Load
• No minimum load required
Start Up Delay
• 2 s maximum, typically 1 s
Hold Up Time
• 16 ms minimum at 90 VAC full load
Drift
• ±0.2% after 20 min warm-up
Line Regulation
• V1 ±0.5%, V2 ±3.0%, V3 ±0.5%
Load Regulation
• V1 ±1.0%, V2 ±5.0%, V3 ±1.0%,
0-100% load V1 & V3, 10-100% load V2
Over/Undershoot
• <1% maximum
Transient Response
• <4% max deviation,with 50-75-50% load
step. Recovery to within 1% <500 µs
Ripple & Noise
• V1 & V3: 1%, V2: 2% pk-pk, 20 MHz BW
Overvoltage Protection • 115-140% Vnom (output V1 only)
Overtemperature
Protection
• Thermal sensor under PCB shuts unit
down typically >+75 °C
Overload Protection • 110-140%, I nom V1
Short Circuit Protection • Continuous
Temperature
Coefficient
• 0.05%/ºC
Remote Sense
• Compensates for 0.5 V total voltage drop
Remote On/Off
Current Share
• Short circuit or TTL Low turns PSU off,
can also be configured as enable
• Up to 3 supplies can be connected in
parallel, derate total output current to 90%
General
Efficiency
Isolation
Switching Frequency
Power Density
Signals
MTBF
• Typically 86%
• 3000 VAC Input to Output
1500 VAC Input to Ground
100 VDC Output to Ground
• Typically PFC 62 kHz,
main converter 157 kHz
• 11.1 W/In³
• Power Fail - open collector, transistor off
for AC good, ≥ 5 ms warning of loss of
output. DC OK - open collector, transistor
off for DC good
• Typically 460 kHrs to MIL-HDBK-217F,
notice 2, +25 °C GB
Environmental
Operating Temperature • Forced cooled: -10 °C to +70 °C, derate
linearly from +50 °C at 2.5%/°C to +70 °C
Cooling
• >13 CFM forced airflow required for U
Channel Versions, ‘-H’, ‘-TF’ & ‘-EF’
versions have integral fan
Operating Humidity • 5-95% RH
Storage Temperature • -20 °C to +85 °C
Operating Altitude
• 3000 m
Shock
• 3 x 30 g/11 ms shocks in both +ve & -ve
directions along the 3 orthogonal axes,
total 18 shocks.
Vibration
• Single axis 10-500 Hz at 2 g x 10 sweeps
EMC & Safety
Emissions
Harmonic Currents
Voltage Flicker
Radiated Immunity
EFT/Burst
Surge
Conducted Immunity
Dips & Interruptions
Safety Approvals
• EN55022, Class B conducted
EN55022, Class A radiated
• EN61000-3-2, Class A
• EN61000-3-3
• EN61000-4-3, level 3 Perf Criteria A
• EN61000-4-4, level 3 Perf Criteria A
• EN61000-4-5, level 3 Perf Criteria A
• EN61000-4-6, 10 V rms Perf Criteria A
• EN61000-4-11 Perf Criteria A, B, B
• CB Report, IEC60950-1:2001,
CSA22.2 No. 60950-1-05,
UL60950-1 (2003),
TUV EN60950-1/A11:2004,
CCC pending contact sales