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THB3 Datasheet, PDF (2/3 Pages) TRACO Electronic AG – DC/DC Converters
DC/DC Converters
THB 3 Series
3 Watt
Input Specifications
Input current at no load / full load
5 Vin models:
12 Vin models:
24 Vin models:
48 Vin models:
40 mA typ. / 880 mA typ.
30 mA typ. / 320 mA typ.
20 mA typ. / 155 mA typ.
10 mA typ. / 95 mA typ.
Start-up voltage / under voltage shut down
5 Vin models:
12 Vin models:
24 Vin models:
48 Vin models:
4.5 VDC / 4.0 VDC
9 VDC / 8.5 VDC
18 VDC / 17 VDC
36 VDC / 34 VDC
Recommended external input fuse (slow blow)
5 Vin models:
12 Vin models:
24 Vin models:
48 Vin models:
2.0 A
1.0 A
0.5 A
0.25 A
Surge voltage (1 sec. max.)
5 Vin models:
12 Vin models:
24 Vin models:
48 Vin models:
11 VDC max.
25 VDC max.
50 VDC max.
100 VDC max.
Reverse voltage protection 0.3 A max.
Input filter EN 55022 class A, FCC part 15, class A
Output Specifications
Voltage set accuracy ±1 %
Regulation
– Input variation Vin min. to Vin max. 0.5 % max.
– Load variation 25 – 100 %: single output models: 1.0 % max..
dual output models: 2.0 % max. balanced load
Minimum load 15 % of rated max. output current.
(Operation at lower load is safe but major
deviations to specifyed data may occur)
Ripple and noise (20 MHz Bandwidth)
5 VDC models: 100 mVpk-pk max.
other models: 150 mVpk-pk max.
Transient response (25% load step change) 150 µs typ.
Current limitation >120 % Iout max.
Short circuit protection indefinite (automatic recovery)
Capacitive load
5 VDC output models: 1000 µF max.
other single output models: 470 µF max.
dual output models: 220 µF max. (each output)
Isolation / Safety Standards
Isolation test voltage (flash tested 1 sec.) 6000 Vpk
I/O isolation voltage
– according IEC/EN 60601-1 3000 VACrms, rated for 300 Vrms working
(50Hz, 60sec.) voltage, 2 x MOOP
– according IEC/EN 60950-1 4800 VACrms, rated for 300 Vrms working
voltage
Leakage current 2 µA (at 240VAC, 60Hz)
Isolation capacitance
– Input/Output 13 pF max.. (at 100KHz, 1V)
Isolation resistance
– Input/Output >1000 Mohm (at 500VDC)
Safety standards IEC 60950-1:2005 (2nd ed.) +A1:2009 and/or
EN 60950-1:2006 +A1:2010 +A11:2009
+12:2011, UL 60950-1 (2nd ed.)
CSA C22.2 No. 60950-1-03
IEC 60601-1 3rd edition, 2 x MOOP,
EN 60601-1 + A11:2011
UL 60601-1, CSA C22.2 No. 601.1
All specifications valid at nominal input voltage, full load and +25°C after warm-up time unless otherwise stated.
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