TWM250 Datasheet, PDF (1/2 Pages) Tumbler Technologies + TRUMPower – 250W Medical Grade AC/DC Power Supplies

TRUMPower
FEATURES
• 90~264 VAC Universal Input
• 0.9 to 0.95 Power Factor
• 200W @ Convection or 250W @ 17.1 CFM
• 3" X 5" Footprint
• IEC/EN/UL 60601-1 3rd Edition Approvals
TWM250 Series
250W Medical Grade AC/DC Power Supplies
ELECTRICAL SPECIFICATIONS
Input Voltage ........................ 90~264 VAC
Input Frequency ................... 47~63 Hz
Input Current ........................ 4A (rms) max. @ 115 VAC,
2A (rms) max. @ 230 VAC
Inrush Current ..................... 50A max. @ 115 VAC, 100A max.
@ 230 VAC at cold start +25°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 .. See table
Ripple and Noise ................ See table
STANDARDS & COMPLIANCES
EMC Standards ................... EN 60601-1-2, EN 55011 Class B,
FCC Part 18 Class B
Safety Standards ................. IEC/EN/UL 60601-1 3rd Edition,
............................................. ANSI/AAMI ES 60601-1: 2005,
............................................. CAN/CSA C22.2 No. 60601-1:08
Agency Approvals ................ CSA, CUS, TUV, CE, CB, FCC
Other Compliance ............... RoHS
GENERAL SPECIFICATIONS
Efficiency .................................. >85% at full load, 115 VAC
Switching Frequency ............... 53-58 KHz
Hold-up Time ........................... >10 ms @ 115 VAC, 250W load
Operating Temperature ........... 0°C to +70°C
Storage Temperature ............... -40°C to +85°C
Derating ................................... Derate linearly 2.5%/°C
.............................................from +41°C to +70°C
Operating Humidity .................. 5% to 95% non-condensing
Short-Circuit Protection ........... Auto-recovery
Overload Protection ................. Set at 105% to 160% of the
maximum rating, Auto-recovery
Overvoltage Protection ............ Auto-recovery
Withstand Voltage ....................4,000 VAC from input to output,
.............................................1,500 VAC from input to ground,
.............................................500 VAC from output to ground
MTBF ........................................ >120K hours at full load and
25°C ambient temperature
calculated per MIL-HDBK-217F
MODELS LIST
Product No. ⁽¹⁾
TWM250-12
TWM250-19
Output
Voltage
+12V
+19V
Min.
Load
0A
0A
Max. Load
@ Convection @ 17.1 CFM
Output Ripple & Noise
Regulation
(Vp-p) ⁽²⁾
16.67A
20.84A
±5%
120mV
10.53A
13.16A
±5%
190mV
Max.
Output Power
250W
250W
TWM250-24
+24V
0A
8.34A
10.42A
±5%
240mV
250W
TWM250-28
+28V
0A
TWM250-30
+30V
0A
7.14A
6.67A
8.93A
8.34A
±5%
±5%
280mV
300mV
250W
250W
TWM250-36
+36V
0A
TWM250-40
+40V
0A
5.56A
5A
6.95A
6.25A
±5%
±5%
360mV
400mV
250W
250W
TWM250-48
+48V
0A
4.17A
5.21A
±5%
480mV
250W
Notes:
1. Standard form factor is PCB. For U-bracket models, add suffix "B" to the P/N, e.g. TWM250-24B, TWM250-48B, etc.
2. R&N are measured at 20 MHz bandwidth with a 47µF electrolytic capacitor and a 0.1µF ceramic capacitor in parallel.
Tumbler Technologies + TRUMPower
3350 Scott Blvd., Building 13 • Santa Clara, California 95054, USA • 408-988-6616 • [e-mail] • www.TRUMPower.com