TWM280 Series
TRUMPower
FEATURES
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•
•
•
•
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3" x 5" Industrial Standard Footprint
1.18" Low Profile Open Frame
0.9 to 0.95 Power Factor
Medical & ITE Dual Approvals
5000m (ITE), 3000m (Medical) Operation Altitude
Remote On/Off Control
280W Medical & ITE Grade AC/DC Power Supplies
ELECTRICAL SPECIFICATIONS
Input Voltage ........................ 90~264 VAC
Input Frequency ................... 47~63 Hz
Input Current ........................ 3.5A (rms) max. @ 115 VAC,
2A (rms) max. @ 230 VAC
Inrush Current ..................... 30A max. @ 115 VAC, 60A max.
@ 230 VAC at cold start +25°C
Earth Leakage Current ........ 100 µA max. @ 264 VAC
Power Factor ........................ >0.95 @115 VAC, >0.9 @230 VAC
Output Power Ratings .......... See table
Output Voltage Regulation .. ±3%
Ripple and Noise ................ See table
Remote Inhibit ..................... Requires an external TTL high
level signal to inhibit the output
GENERAL SPECIFICATIONS
Efficiency .................................. >91% typ. @ full load, 115 VAC
Switching Frequency ............... 80 KHz
Hold-up Time ........................... >10 ms typ. @ full load, 115 VAC
Operating Temperature ........... 0°C to +70°C
Derating ................................... Derate from 100% at +51°C
linearly to 50% at +70°C
Storage Temperature ............... -20°C to +85°C
Temperature Coefficient .......... ±1%/°C max.
Operating Humidity .................. 0% to 90% non-condensing
Short-Circuit Protection ............ Auto-recovery
Overload Protection ................. Set at 105% to 150% of the
maximum rating, Auto-recovery
Overvoltage Protection ............ Latching type, AC recycle
Withstand Voltage ....................5,656 VDC from input to output,
2,121 VDC from input to ground,
2,121 VDC from output to ground
MTBF ........................................ >300K hours @ full load and
25°C ambient temperature
calculated per Telcordia
(Bellcore)
STANDARDS & COMPLIANCES
EMC Standards ................... EN 60601-1-2, EN 55024;
EN 55011/55022 & FCC Class B
Safety Standards ................. UL/IEC/EN 60601-1 3rd Edition,
.............................................
UL/cUL/IEC/TUV EN 60950-1
Agency Approvals ................ UL, CUS, TUV, CE, CB, FCC
Other Compliances ............. RoHS, ErP
MODELS LIST
Max. Load
Product No.
(1)
TWM280-12
TWM280-24
TWM280-28
TWM280-48
TWM500-54
Output
Voltage
+12V
+24V
+28V
+48V
+54V
@ Convection
17.5A
8.75A
7.5A
4.375A
3.88A
@ 18 C F M
23.33A
11.66A
10A
5.83A
5.18A
Output
Regulation
± 3%
± 3%
± 2%
± 2%
± 2%
Ripple & Noise
(Vp-p)
(2)
150mV
240mV
280mV
300mV
400mV
Standby
Supply
5V/0.5A
5V/0.5A
5V/0.5A
5V/0.5A
5V/0.5A
Fan Output
12V/0.3A
12V/0.3A
12V/0.3A
12V/0.3A
12V/0.3A
Max. Output
P o w er @
Convection
210W
210W
210W
210W
210W
Max.
Output Pow er
@ 18 C F M
280W
280W
280W
280W
280W
Notes:
1. Output Connector Suffix "T" = Terminal block, suitable for all models; Suffix "M" = Mini-fit connector, suitable for 24V and up; Suffix "J" = JST connector, suitable for 24V
and up.
2. R&N are measured at 20 MHz bandwidth with a 47µF electrolytic capacitor and a 0.1µF ceramic capacitor in parallel.
3. All models are equipped with 5Vsb & 12V fan outputs.
Tumbler Technologies + TRUMPower
3350 Scott Blvd., Building 13 • Santa Clara, California 95054, USA
•
408-988-6616
•
sales@trumpower.com • www.TRUMPower.com
TWM280 Series
280W Medical & ITE Grade AC/DC Power Supplies
INPUT & OUTPUT CONNECTORS
Input Connector: CN1
JST B2P3-VH pitch: 3.96mm or
equivalent, mates with JST VAR-2 or
equivalent
Fan Output Connector: CN2
JST B2B-XH-A pitch: 2.5mm or
equivalent, mates with JST XHP-2 or
equivalent
Pin #
1
2
Signal
AC Line
AC Neutral
Pin #
1
2
Signal
+12V Fan +
GND Fan -
Remote Control & Standby: CN4
JST B4B-XH-A pitch: 2.5mm or
equivalent, mates with JST XHP-4 or
equivalent
Pin #
1
2
3
4
Signal
GND
Inhibit
(Remote Control)
+5Vsb
GND
+12V FAN+
CN2&CN4
GND FAN-
GND
INHIBIT (Remote control)
+5VSB
GND
Inhibit ---> Logic Level HIGH (5V) or Floating: Enable; Logic Level LOW: Disable
Main Output Connector: CN3
Terminal Block (Suffix "T"):
4-pole terminal block, 8.25mm pitch,
20A/300V or equivalent
JST Connector (Suffix "J"):
JST B8P-VH-B, 3.96mm @@pitch or
equivalent, mates with JST VHR-8N
or equivalent
Mini-Fit Connector (Suffix "M"):
12 pin mini fit pitch: 4.2mm.
Molex P/N: 39-28-1123 or equivalent.
Pin #
1
2
3
4
Signal
GND
GND
+V
+V
Pin #
1
2
3
4
5
6
7
8
Signal
GND
GND
GND
GND
+V
+V
+V
+V
Pin #
1
2
3
4
5
6
7
8
9
10
11
12
Signal
+V
+V
+V
GND
GND
GND
+V
+V
+V
GND
GND
GND
TWM280_2015-01-11
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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