TWA250 Series
TRUMPower
FEATURES
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•
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90~264 VAC Universal Input
0.9 Active Power Factor
40mm Cooling Fan with Fan Speed Control
No Load Power Consumption of 500mW Maximum
250W AC/DC Desktop Power Adapter
ELECTRICAL SPECIFICATIONS
Input Voltage ........................ 90~264 VAC
Input Frequency ................... 47~63 Hz
Input Current ....................... 3.5A (rms) @ 90 VAC,
1.5A (rms) max. @ 264 VAC
Power Factor ....................... 0.9 min. at full load, 115/230 VAC
Maximum Output Power ..... 250W
Output Voltage, 12V~48V .... CEC & Energy Star Level V
Voltage Regulation .............. ±5%
Ripple and Noise ................ See table
MODELS LIST
Part N o.
TWA250-12
TWA250-16
TWA250-19
TWA250-20
TWA250-24
TWA250-36
TWA250-48
Output
Voltage
12V
16V
19V
20V
24V
36V
48V
Output
C urrent
20.83A
15.63A
13.16A
12.50A
10.42A
6.94A
5.21A
R ipple &
N oise (Vp-p)*
240mV
300mV
300mV
300mV
300mV
300mV
300mV
Max. Output
P o w er
250W
250W
250W
250W
250W
250W
250W
GENERAL SPECIFICATIONS
Efficiency ............................. 87% min. at avg. load, 115/230 VAC
Switching Frequency ............ 60~65 Khz
Hold-up Time ...................... 16ms min. typical at full load,
115 VAC nominal line
Operating Temperature ...... -20°C to +40°C
Storage Temperature .......... -20°C to +85°C
Operating Humidity ............. 10% to 90%
Short-Circuit Protection ....... Auto-recovery
Over-Load Protection .......... Auto-recovery
Over-Voltage Protection ...... Latch, AC recycle
MTBF .................................... 140K hrs minimum at full load
and 25°C ambient, calculated
per MIL-HDBK-217F
* Peak-to-peak with 20MHz bandwidth with a tantalum 10µF in parallel with 0.1µF
ceramic capacitor.
STANDARDS & COMPLIANCES
EMC Standards ..................... EN55022, FCC, CISPR22, Class B
Safety Standards ................... UL60950-1, EN60950-1,
CSA 22.2 No. 60950-1,
IEC60950-1
Agency Approvals .................. UL, cUL, TUV, CB, CE
Other Standards .................... CEC, Energy Star Level V, RoHS
MECHANICAL SPECIFICATIONS
Notes
1. Dimensions: mm
2. AC Inlet: IEC320/C14 standard
3: Standard Output Connector: APP connector (D706C) or local Mini-fit 6P connector (D731A).
4. Standard Output Cable: AWM 2464 #16AWG/6C + Shielding, UL 80°C 300V VW-1, 1000±30mm min. for 16V~48V output; 800±30mm for 12V output.
5. Weight: 1060 grams
#TWA250-2011-0527
Tumbler Technologies + TRUMPower
3350 Scott Blvd., Bluilding 13 • Santa Clara, California 95054, USA
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408-988-6616
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sales@trumpower.com • www.TRUMPower.com
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