THL20WI Datasheet, PDF (3/4 Pages) Touchstone Semiconductor Inc – DC/DC Converters

DC/DC Converters
THL 20WI Series 20 Watt
General Specifications
Temperature ranges
– Operating (convection cooling 50 LFM, 0.25 m/s) –40°C to +75°C (with derating)
– Operating with heat sink (natural convection 20 LFM) –40°C to +85°C (with derating)
– Case temperature +105°C max.
– Storage –50°C to +125°C
Load derating
– without heat sink
24 V; 3.3 VDC models:
(convection cooling 50 LFM, 0.25 m/s)
48 V; 3.3 VDC models:
5, 12 & 15 VDC single output models:
24 VDC output models:
dual output models:
– with heat sink
24 V; 3.3 VDC models:
48 V; 3.3 VDC models:
5, 12 & 15 VDC output models:
24 VDC output models:
dual output models:
2.5 %/K above +64°C
2.7 %/K above +68°C
2.2 %/K above +60°C
2.0 %/K above +55°C
2.2 %/K above +60°C
3.3 %/K above +70°C
3.2 %/K above +74°C
3.1 %/K above +67°C
2.7 %/K above +63°C
3.1 %/K above +67°C
Thermal inpedance
– Natural convection 18.2°C/W
– Natural convection with heat sink 15.8°C/W
Humidity (non condensing) 95 % rel H max.
Reliability, calculated MTBF (MIL-HDBK-217F, at +25°C, ground benign) >346’000 h
Isolation voltage (60sec.) – Input/Output 1500 VDC
Isolation capacitance
– Input/Output 1500 pF typ.
Isolation resistance
– Input/Output (500 VDC) >1000 MOhm
Remote On/Off
– On: 3.5 ... 15 VDC or open circuit
– Off: 0 ... 1.2 VDC or short circuit pin 6 and pin 2
– Off idle current: 8 mA
Switching frequency (fixed) 330 kHz typ. (pulse width modulation PWM)
Altitude during operation 5‘000 m max. (16‘400 ft) approved
Safety standards (designed to meet) UL/cUL 60950-1, IEC/EN 60950-1
Safety approvals
– CB test certificate according IEC 60950-1 www.tracopower.com/products/thl20wi-cb.pdf
– CSA certificate for UL/cUL 60950-1 www.tracopower.com/products/thl20wi-csa.pdf
Environmental compliance – Reach www.tracopower.com/products/thl20wi-reach.pdf
– RoHS RoHS directive 2002/95/EC
Physical Specifications
Casing material metal
Baseplate non conductive FR4
Potting material epoxy (UL 94V-0 rated)
Weight 15 g (0.53 oz)
Soldering temperature max. 260°C / 10sec.
Application note : www.tracopower.com/products/thl20wi-application.pdf
All specifications valid at nominal input voltage, full load and +25°C after warm-up time unless otherwise stated.
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