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PSS320 Datasheet, PDF (1/3 Pages) Wall Industries,Inc. – 320 Watt Single Output AC/DC Power Supply
PSS320 Series
320 Watt
Single Output
AC/DC Power Supply
FEATURES
● 2 Year Warranty
● Low Cost, High Reliability
● Fixed Switching Frequency
● Compact Size, Light Weight
● 100% Full Load Burn-In Tested
● Cooling Fan ON/OFF Auto Control
● Built-In EMI Filter, Low Ripple Noise
● AC Input Range Selectable by Switch
● Forced Air Cooling by Built-In DC Fan
● High Efficiency, Low Working Temperature
● Soft Start Circuit, Limiting AC Surge Current
● Short Circuit, Overload, Over Voltage, and Over Temperature Protected
SPECIFICATIONS: PSS320 Series
All specifications are based on 25oC, Nominal Input Voltage, and Maximum Output Current unless otherwise noted.
We reserve the right to change specifications based on technological advances.
INPUT SPECIFICATIONS
Input Voltage Range
88 ~ 132VAC / 176 ~ 264VAC auto switch (248 ~ 370VDC)
Input Frequency
47 to 63Hz
AC Current (typical)
6A @ 115VAC 3.5A @ 230VAC
Inrush Current (typical)
18A @ 115VAC 36A @ 230VAC
Leakage Current
< 3.5mA @ 240VAC
OUTPUT SPECIFICATIONS
Output Voltage
See Table
Output Power
See Table
Voltage Tolerance (See Note 3)
5V & 7.5V outputs: ±2.0%; 12V - 48V outputs: ±1.0%
Voltage Adjustment Range
See Table
Line Regulation
±0.5%
Load Regulation
5V & 7.5V outputs: ±1.0%; 12V - 48V outputs: ±0.5%
Output Current
See Table
Ripple & Noise (max) (See Note 2)
5V - 24V outputs: 150mVp-p; 27V output: 200mVp-p; 48V output: 240mVp-p
Setup, Rise Time
2000ms, 20ms @ full load
Hold Up Time (typical)
24ms @ full load
Temperature Coefficient
±0.03%/°C (0 ~ 50°C)
PROTECTION
Overload Protection
105 ~ 135% rated output power
Protection Type: Hiccup mode, recovers automatically after fault condition is removed.
Over Voltage Protection
See Table
Protection Type: Hiccup mode, recovers automatically after fault condition is removed.
RTH1≥ 65°C Fan On, ≤ 55°C Fan Off, ≥ 70°C (5 ~ 15V)
Fan Control, O.T.P
RTH1≥ 70°C Fan On, ≤ 65°C Fan Off, ≥ 80°C (24 ~ 48V)
Protection Type: Hiccup mode, recovers automatically after fault condition is removed.
GENERAL SPECIFICATIONS
Switching Frequency
90KHz
Efficiency
See Table
Withstand Voltage
3000VAC (Input to Output), 1500VAC (Input to FG), 500VAC (Output to FG)
Isolation Resistance
100MΩ/500DC (Input to Output, Input to FG, and Output to FG)
ENVIRONMENTAL SPECIFICATIONS
Working Temperature
-10°C to +60°C (refer to output load derating curve)
Storage Temperature
-20°C to +85°C
Working Humidity
20 ~ 90% RH non-condensing
Storage Humidity
10 ~ 95% RH
Cooling
Forced air cooling by built-in DC fan.
Vibration
10 ~ 500Hz, 2G 10min./1 cycle, 60min each along X, Y, Z axes.
MTBF
188,700 hours min. @ 25°C (MIL-HDBK-217F)
PHYSICAL SPECIFICATIONS
Weight
1080 grams
Dimensions
215(L) x 115(W) x 50(H) mm
Warranty
2 years
SAFETY & EMC
Safety Standards
UL60950-1 approved
Wall Industries, Inc. 5 Watson Brook Road Exeter, NH 03833
603-778-2300 www.wallindustries.com Fax 603-778-9797