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300W -5Vdc ATX Power Supply
[PS37]

PS37
300W -5Vdc ATX Power Supply Specification Sheet
This specification defines the electrical performance and characteristics of the ESA Model PS37. The PS37 was designed with compliance to the ATX12V Ver. 2.03 specification and with Full Range Active PFC and a -5Vdc output.


Features

  • 5Vdc Output
  • Remote ON / OFF Control
  • The unit accepts a logic open collector level which will disable / enable all output voltages (excludes +5V Standby), when logic level is Low, output voltages are enabled, when logic level is high, output voltages are disabled
  • Active Power Factor Correction (PFC), Full Range: Meets IEC-1000-3-2 Class D
  • 12V Max. Current: 22 A
  • Noise & Thermal Control (Silent & Reliable)
  • Temperature Range: Operating -10?C ~ 50?C
  • Humidity: Operating: 20%-95%, Non-Operating: 10%-95%, 85% is normal condition and 95% is with special coating process
  • Cooling: One 80mm DC Fan
  • EMI Noise Filter: FCC Class B, CISPR22 Class B
  • Safety: UL 1950, CSA 22.2 NO/ 950, TUV IEC 950
  • Serial ATA optional
  • 3.3V / 5V Remote Sensing
  • Cooling: One 80mm Ball Bearing DC Fan
  • Dimension: 140 (D) x150 (W) x 86 (H) mm (PS/2)
  • Advanced Thermal & Acoustic Control Features

Specifications


AC Input
Vin Range (Vac Full Range)
Minimum
Maximum
90
240
Input Frequency 47 ~ 63 Hz
Input Current 6A (RMS) for 115VAC, 3A (RMS) for 230VAC
Inrush Current 65A Max. for 115 VAC, 125A Max. for 230VAC

DC Output (Max)
Model
PS37
Output (V Nom)
5
3.3
12
-5
-12
5SB
Current (A Max)
35
25
22
0.8
1.0
2.0
Power (Watts Max)
300

Regulation
Regulation
+/-5% Typical
Voltage Output (V)
+5
+3.3
+12
-5
-12
+5SB
Minimum
4.75
3.14
11.16
-4.75
-11.40
+4.75
Nominal
5.00
3.30
12.00
-5.00
-12.00
+5.00
Maximum
5.25
3.46
12.84
-5.25
-12.60
+5.25
P-P Noise (Typ mV)
50
50
120
150
150
50
Line Regulation
? 1% Typical
Total Efficiency (Typical)
68% Typical

Safety (General)
Overvoltage Protection For (V)
+5
+3.3
+12
Threshold Voltage (V)
5.7V ~ 6.5V
3.9 ~ 4.3V
13.6 ~ 15V
Overload Protection:
130 +/- 20%
Short Circuit Protection
+5V, -5V, +12V, -12V, +3.3V
Dielectric Withstand
Input / Output 1500 VAC for 1 Second
Input to Frame Ground
1500 VAC for 1 Second
Power Good Signal
ON Delay 100 ms TO 500 ms, OFF Delay 1 ms
Holdup Time
16 ms Minimum at Full Load & Normal Input Voltage

Regulatory Standards and Requirements
Safety
UL 1950, CSA 22.2 NO/ 950, TUV IEC 950
EMC
CE, FCC Class B, CISPR22 Class B
MTBF
>200,000 hrs. @ 25? C without Fan, >100,000 hrs. @ 25? C with Fan

Mechanical
Dimensions:
5.9?L x 5.5?W x 3.4?H (150mmL x 140mmW x 86MMH)
Connectors
ATX 2.03, ATX12V(P4), EPS12V, WTX, AMD-GES

Technical Revisions
Specifications are subject to change without notice

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