Datasheet
http://www.tracopower.com
DC/DC Converters
THB 3 Series 3 Watt
Input Specifications
Input current at no load / full load 5 Vin models: 40 mA typ. / 820 mA typ.
12 Vin models: 30 mA typ. / 320 mA typ.
24 Vin models: 20 mA typ. / 155 mA typ.
48 Vin models: 10 mA typ. / 80 mA typ.
Start-up voltage / under voltage shut down 5 Vin models: 4.5 VDC / 4.0 VDC
12 Vin models: 9 VDC / 8.5 VDC
24 Vin models: 18 VDC / 17 VDC
48 Vin models: 36 VDC / 34 VDC
Recommanded input fuse (slow blow) 5 Vin models: 2.0 A
12 Vin models: 1.0 A
24 Vin models: 0.5 A
48 Vin models: 0.25 A
Surge voltage (1 sec. max.) 5 Vin models: 11 VDC max.
12 Vin models: 25 VDC max.
24 Vin models: 50 VDC max.
48 Vin models: 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 (50Hz, 60sec) 4000 VACrms
Leakage current 2 µA (at 240VAC, 60Hz)
Isolation capacity – Input/Output 13 pF max.. (at 100KHz, 1V)
Isolation resistance – Input/Output >1000 Mohm (at 500VDC)
Safety standards IEC/EN 60950-1, UL 60950-1
CSA C22.2 No. 60950-1-03
IEC/EN 60601-1, EN 50124-1&2
UL 60601-1, CSA C22.2 No. 601.1
Safety approvals – CB test report www.tracopower.com/products/thb3_cb.pdf
– CSA certificate www.tracopower.com/products/thb3_csa.pdf
All specifications valid at nominal input voltage, full load and +25°C after warm-up time unless otherwise stated.
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