300 WATT MEDICAL POWER SUPPLIES
TRUMPower
The TM300 series comprising single and multiple
output models for 200 to 300 watts of continuous
output power is specially designed for medical
applications. They operate at 90 to 264VAC input
voltage without the need of a selector strap. All
auxiliary outputs are with magnetic amplifier to
keep regulation. The units are constructed on a
DESCRIPTION
(LVD)
TM300 SERIES
RoHS
printed circuit board with
mechanical support and
a
U-bracket for
sinking.
heat
A
cover-and-fan assembly can be added during
manufacturing.
FEATURES
‧ EN61000-3-2 class A and D compliant
‧ Power Factor 0.98 typical
Safety Standard Approvals：
‧ Overvoltage protection
‧ Short-circuit protection
UL 60601-1
CSA C22.2 No. 601.1
‧ Power Fail Detect (PFD)
‧ 100% burn-in at full rated load
‧ Remote sense on output #1 and output #2
‧ Remote inhibit – TTL high disables output
‧ Compliant with RoHS requirements
TÜV EN60601-1
INPUT SPECIFICATIONS
ENVIRONMENTAL SPECIFICATIONS
Operating temperature： 0ºC to +70ºC
90 to 264VAC
Input voltage :
Input frequency:
Input current :
47 to 63Hz
Storage temperature：
Relative humidity：
Derating：
-40ºC to +85ºC
5% to 95% non-condensing
4.7A (rms) for 115VAC
2.3A (rms) for 230VAC
Derate from 100% at +50ºC
linearly to 50% at +70ºC
Earth leakage current:
100µA max. @115VAC, 60Hz
220µA max. @ 230VAC, 50Hz
Cooling：
200/250/300 watts continuous
output power at 35 CFM forced
air cooling or 100/125/150 watts
at convention cooling
OUTPUT SPECIFICATIONS
Output voltage/current：
Total output power：
Ripple and Noise：
See rating chart
See rating chart
2% peak to peak maximum
Provided on output #1 only; set
at 115–140% of its nominal
output voltage
All outputs protected
to short circuit conditions
All outputs ±0.04%/ºC
maximum
GENERAL SPECIFICATIONS
KHz ±10KHz
0.98 typical
Switching frequency：
Power factor：
Overvoltage protection：
70% minimum on all models
12 msec minimum at 110VAC
±0.2% maximum at full load
30 amps @ 115VAC or 60 amps
@230VAC, at 25ºC cold start
Efficiency：
Hold-up time：
Line regulation：
Inrush current：
Overcurrent protection：
Temperature coefficient：
4000VAC from input to output
1500VAC from input to ground
500VAC from output to ground
300,000 hours minimum at full load
at 25ºC ambient, calculated per
MIL-HDBK- 217F
Withstand voltage：
MTBF：
Maximum excursion of 4%
or better on all models,
recovering to 1% of final value
within 500µs after a 25% step
load change
Transient response：
EMC Performance (EN60601-1-2: 2001)
TTL logic high for normal
operation and TTL logic low
upon loss of input power.
This signal appears at least
1ms prior to master output
dropping 5% below its nominal
value. This signal also
provides a minimum delay of
100ms after master output is
within regulation.
PFD signal：
EN55011:
Class B conducted, Class B
radiated
EN61000-3-2:
EN61000-3-3:
EN61000-4-2:
EN61000-4-3:
EN61000-4-4:
EN61000-4-5:
EN61000-4-6:
EN61000-4-8:
EN61000-4-11:
Harmonic distortion, Class A and D
Line flicker
ESD, ±8KV air and ±6KV contact
Radiated immunity, 3V/m
Fast transient/burst, ±2KV
Surge, ±1KV diff, ±2KV com.
Conducted immunity, 3Vrms
Magnetic field immunity, 3A/m
Voltage dips, 30% reduction for
500ms, 60% reduction for 100ms
and >95% reduction for 10ms
Requires an external TTL
high level signal to inhibit
outputs for standard models.
Remote inhibit：
Tumbler Technologies + TRUMPower
3350 Scott Blvd., Bldg. 13, Santa Clara, California 95054, USA
Phone: 408-988-6616 ● Fax: 408-988-6622 ● email: sales@trumpower.com ● Website: www.TRUMPower.com
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