TWM250 Series
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
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
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
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
MODELS LIST
Max. Load
Product No.
(1)
Output
Voltage
+12V
+19V
+24V
+28V
+30V
+36V
+40V
+48V
Min.
L o ad
0A
0A
0A
0A
0A
0A
0A
0A
@ Convection
16.67A
10.53A
8.34A
7.14A
6.67A
5.56A
5A
4.17A
@ 17.1 CFM
20.84A
13.16A
10.42A
8.93A
8.34A
6.95A
6.25A
5.21A
Output
Regulation
± 5%
± 5%
± 5%
± 5%
± 5%
± 5%
± 5%
± 5%
Ripple & Noise
(Vp-p)
(2)
120mV
190mV
240mV
280mV
300mV
360mV
400mV
480mV
Max.
Output Pow er
250W
250W
250W
250W
250W
250W
250W
250W
TWM250-12
TWM250-19
TWM250-24
TWM250-28
TWM250-30
TWM250-36
TWM250-40
TWM250-48
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
•
sales@trumpower.com • www.TRUMPower.com
TWM250 Series
250W Medical Grade AC/DC Power Supplies
MECHANICAL SPECIFICATIONS
(Unit: mm)
PCB (Standard)
U-Bracket (Suffix "B")
INPUT & OUTPUT CONNECTORS
Input Connector: CN1
Pin #
1
2
Function
AC Line
AC Neutral
Output Connector: CN2
Pin #
1, 2, 3, 4
5, 6, 7, 8, 9
Function
Return
+V
JST P/N B3P-VH-B (3.96mm pitch);
mates with JST VHR-3N or equivalent.
JST P/N B9P-VH-B (3.96mm pitch);
mates with JST VHR-9N or equivalent.
#TWM250_2013-03-24
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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