TW500 Series
500W ITE Grade AC/DC Power Supplies
FEATURES
• 90~264 VAC Universal Input
• 0.9 to 0.95 Power Factor
• 500W with Forced Air or 360W @ Convection Cooling
• +5V Standby Power
• Power Good Signal, Remote Sense, Remote On/Off
• Optional Current Share
ELECTRICAL SPECIFICATIONS
GENERAL SPECIFICATIONS
Input Voltage & Frequency .. 90~264 VAC,
Input Frequency ................... 47~63 Hz
Efficiency..................................>83% at full load, 115 VAC
Switching Frequency................80 KHz
Input Current ........................ 6A (rms) max. @ 115 VAC,
3A (rms) max. @ 230 VAC
Inrush Current ...................... 25A max. @ 115 VAC, 50A max.
@ 230 VAC at cold start +25°C
Hold-up Time............................>20 ms at 115 VAC, 360W load
Operating Temperature ............0°C to +70°C
Derating ...................................Derate from 100% at +40°C
linearly to 50% at +70°C
Earth Leakage Current ........ 300 µA max. @ 264 VAC, 63 Hz
Power Factor........................ >0.95 @115 VAC, >0.9 @230 VAC
Output Power Ratings .......... See table
Output Voltage Regulation ... ±5%
Ripple and Noise ................. See table
Temperature Coefficient ...........±0.04%/°C
Operating Humidity ..................10% to 95% non-condensing
Short-Circuit Protection............Auto-recovery
Overload Protection .................Set at 110% to 160% of the
maximum rating, Auto-recovery
+5V Standby Power ............. 0.25A @ convection, or
1A @ forced air cooling
Overvoltage Protection ............Set at 130% maximum of the
nominal output voltage
Remote Inhibit ...................... Requires an external TTL high
level signal to inhibit the output
Withstand Voltage ....................3,000 VAC from input to output,
1,500 VAC from input to ground,
Current Share Option ........... Single wire, up to 4 units can be
connected in parallel within 10%
500 VAC from output to ground
MTBF .......................................>100K hours at full load and
25°C ambient temperature
accuracy at full load
calculated per MIL-HDBK-217F
STANDARDS & COMPLIANCES
EMC Standards.................... EN 55022, FCC Class B
Safety Standards ................. UL 60950-1, EN/IEC 60950-1,
CSA C22.2 No. 60950-1
Agency Approvals................ CSA, CUS, TUV, CE, CB, FCC
Other Compliance ................ RoHS
MODELS LIST
Max. Load (2)
Output
Voltage
Min.
Output
Regulation
Ripple & Noise
(Vp-p) (3)
Max.
Output Power
Product No.(1)
TW500-12
TW500-24
TW500-30
TW500-36
TW500-48
TW500-54
TW500-57
Load @ Convection
@ 15 CFM
41.67A
20.84A
16.67A
13.89A
10.42A
9.26A
+12V
+24V
+30V
+36V
+48V
+54V
+57V
0A
0A
0A
0A
0A
0A
0A
30A
15A
±5%
±5%
±5%
±5%
±5%
±5%
±5%
120mV
240mV
300mV
360mV
480mV
540mV
570mV
360W / 500W
360W / 500W
360W / 500W
360W / 500W
360W / 500W
360W / 500W
360W / 500W
12A
10A
7.5A
6.67A
6.32A
8.78A
Notes:
1. Standard form factor is U-Bracket. For enclosed unit with end fan, add suffix "E"; For enclosed unit with top fan, add suffix "T"; For unit with "current share"
option, add suffix "D".
2. 30 CFM forced air is required to load the U-Bracket version up to 500W. Without forced air, U-Bracket unit can operate up to 360W @ +40°C ambient max.
3. R&N are measured at 20 MHz bandwidth with a 10µF electrolytic capacitor and with a 0.1µF ceramic capacitor in parallel.
Tumbler Technologies + TRUMPower
3350 Scott Blvd., Building 13 • Santa Clara, California 95054, USA • 408-988-6616 • sales@trumpower.com • www.TRUMPower.com
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