30-40 WATT MEDICAL POWER SUPPLIES
TRUMPower
DESCRIPTION
(LVD)
TM41 SERIES
The TM41 series of compact, open PCB constructed,
AC-DC switching power supplies are capable of
delivering 30 to 40 watts of continuous output power.
They operate at 85 to 264VAC input voltage without
the need of voltage selection. They are ideally suited
for use in medical equipments, safety systems and
monitoring equipments.
RoHS
FEATURES
‧ Low safety ground leakage current
‧ 100% burn-in
‧ 85 to 264VAC wide input range
‧ Input surge current protection
‧ Overvoltage protection
‧ Overcurrent protection
Safety Standard Approvals：
‧ Open PCB construction
‧ Compliant with RoHS requirements
UL 2601-1
CSA C22.2 No. 601.1
INPUT SPECIFICATIONS
85 to 264VAC
110 to 280VDC
47 to 63Hz
1.1A（ rms） for 115VAC
Input voltage：
TÜV EN60601-1
Input frequency：
Input current：
0.6A（ rms） for 230VAC
90µA max. @ 115VAC, 60Hz
150µA max. @ 230VAC, 50Hz
GENERAL SPECIFICATIONS
Earth leakage current：
Switching frequency: 42KHz ±5KHz
Efficiency:
70% minimum on single output
model with Vo ≥ 12V, 68%
minimum on the others
Hold-up time:
Line regulation:
Inrush current:
20 msec minimum at 110VAC
±0.5% maximum at full load
OUTPUT SPECIFICATIONS
Output voltage/current：
Total output power：
See rating chart
12 amps @ 115VAC or 24 amps
@ 230VAC, at 25ºC cold start
See rating chart
Withstand voltage:
MTBF:
4000VAC from input to output
1500VAC from input to ground
500VAC from output to ground
Ripple and noise：
1% peak to peak max.
Over voltage protection： Provided on output; set at
112 – 132% of its nominal
600,000 hours minimum at full load
at 25ºC ambient, calculated per
MIL-HDBK- 217F
output voltage
Over current protection： The output protected to short
circuit conditions
EMC Performance (EN60601-1-2: 2001)
Temperature coefficient： All outputs ±0.04%/ºC
EN55011:
Class B conducted, Class B radiated
Transient response：
Maximum excursion of 4% or
better on all models,
FCC:
Class B conducted, Class B radiated
Class B conducted, Class B radiated
Harmonic distortion, Class A and D
Line flicker
VCCI:
recovering to 1% of final value
within 500µs after a 25% step
load change
EN61000-3-2:
EN61000-3-3:
EN61000-4-2:
EN61000-4-3:
EN61000-4-4:
EN61000-4-5:
EN61000-4-6:
EN61000-4-8:
ESD, ±8KV air and ±6KV contact
Radiated immunity, 3V/m for 80-2500MHz
Fast transient/burst, ±2KV
ENVIRONMENTAL SPECIFICATIONS
Operating temperature：
Storage temperature：
Relative humidity：
Derating：
0ºC to +70ºC
Surge, ±1KV diff, ±2KV com.
Conducted immunity, 3Vrms
-40ºC to +85ºC
Magnetic field immunity, 3A/m
5% to 95% non-condensing
Derate from 100% at +50ºC
linearly to 50% at +70ºC
EN61000-4-11: Voltage dips, 30% reduction for 500ms,
60% reduction for 100ms and >95%
reduction for 10ms
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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