THI3 Datasheet, PDF (2/3 Pages) Touchstone Semiconductor Inc – DC/DC Converters

DC/DC Converters
THI 3 Series
3 Watt
Input Specifications
Input current no load / full load


5 Vin models: 130 mA / 1000 mA typ.
12 Vin models: 60 mA / 420 mA typ.
24 Vin models: 40 mA / 210 mA typ.
Surge voltage (1 sec. max.)


5 Vin models: 7.5 V max.
12 Vin models: 15 V max.
24 Vin models: 30 V max.
Recommanded input fuse (slow blow)


5 Vin models: 2 A
12 Vin models: 1 A
24 Vin models: 0.5 A
Input filter Pi-Filter
Conducted noise EN 55022, class A and FCC level A
Output Specifications
Voltage set accuracy ±4 %
Voltage balance (dual output models) 4 % max.
Regulation
– Input variation 0.5 %
– Load variation 10–100% 1.0 % max.
Min. load no minimum load required
Ripple and noise (20 MHz Bandwidth) 50 mVpk-pk max.
Temperature coefficient ±0.02 %/K
Short circuit protection continuous (automatic recovery)
Capacitive load
single output models: 470 µF max.
dual output models: 220 µF max. (each output)
Isolation / Safety Standards
I/O isolation voltage
– to meet ES/IEC/EN 60601-1 4000 VACrms, rated for 300 Vrms working
(50Hz, 60sec.) voltage, 2 x MOOP
Isolation capacitance
– Input/Output 20 pF typ.
Isolation resistance
– Input/Output >10 Gohm (at 500 VDC)
Pri-Sec leakage current (at 240VAC, 60Hz) 2 µA
Safety standards IEC/EN 60950-1, IEC/EN 60601-1 3rd Edition,
ANSI/AAMI ES60601-1 and CAN/CSA-C22.2
No. 60601-1, Medical Electrical Equipment -
Part 1: General Requirements for Basic Safety
and Essential Performance
Safety approvals
– CB test certificate according IEC 60950-1
– CB test certificate according IEC 60601-1
– UL online certification to ES 60601-1
www.tracopower.com/products/thi3-cb60950.pdf
www.tracopower.com/products/thi3-cb60601.pdf
www.ul.com/database File: e188913 - QQHM2
General Specifications
Temperature ranges
– Operating –40°C to +75°C
– Case temperature +95°C max.
– Storage –50°C to +125°C
Derating 2.78 %/K above 60°C
Humidity (non condensing) 95 % rel. H max.
Altitude during operation 4000 m
Reliability, calculated MTBF (MIL-HDBK-217F, at +25°C, ground benign) >1 Mio h
Switching frequency 25 – 60 kHz (PFM)
All specifications valid at nominal input voltage, full load and +25°C after warm-up time unless otherwise stated.
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