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THL20-4823WI Datasheet(PDF) 2 Page - Touchstone Semiconductor Inc |
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THL20-4823WI Datasheet(HTML) 2 Page - Touchstone Semiconductor Inc |
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2 / 4 page  http://www.tracopower.com Page 2 of 4 DC/DC Converters THL 20WI Series 20 Watt Input Specifications Input current at no load (at nominal input voltage) 24 V single output models: 80 mA typ. 24 V dual output models: 40 mA typ. 48 V single output models: 40 mA typ. 48 V dual output models: 25 mA typ. Input current at full load (at nominal input voltage) 24 V; 3.3 VDC models: 700 mA typ. 24 V; other models: 940 mA typ.. 48 V; 3.3 VDC models: 350 mA typ. 48 V; other models: 470 mA typ. Start-up voltage 24 V models: 9 VDC (or lower) 48 V models: 18 VDC (or lower) Surge voltage (1 sec. max.) 24 Vin models: 50 V max. 48 Vin models: 100 V max. Reflected input ripple current 24 V models: 50 mAp-p typ. 48 V models: 30 mAp-p typ. Conducted noise (input) EN 55022 class A, FCC part 15, level A with external components (see application note) Recommended input fuse (slow blow) 24 V models: 5000 mA 48 V models: 2500 mA Output Specifications Voltage set accuracy ±1 % Output voltage adj. range ±10 % for single output models only. Trim up via resistor over Trim and -Vout Trim down via resistor over Trim and +Vout (Resistor values tba, 0 Ohm=max. adjustment) Regulation – Input variation (Vmin – Vmax) single output models: 0.2 % max. dual output models: 0.5 % max. – Load variation single output models: 0.5 % max. (0 – 100 % load) dual output models: 1.0 % max. (8 – 100 % balanced load) Minimum load single output models: not required dual output models: 8 % of rated max current (operation at lower load condition will not damage the converters. However, they may not meet all listed specifications) Ripple and noise (20 MHz bandwidth) 3.3 & 5.0 VDC models: 75 mVp-p typ. 12 & 15 VDC models: 100 mVp-p typ. 24 VDC models: 150 mVp-p typ. Measured with a 1µF M/C and a 10µF T/C Temperature coefficient ±0.02 %/K Output current limitation at 150 % of Iout max., foldback Short circuit protection indefinite, automatic recovery Transient response setting time 300 µs typ. (25% load step change) Max. capacitive load 3.3 VDC models: 10’300 µF 5 VDC models: 6’800 µF 12 VDC models: 1’200 µF 15 VDC models: 750 µF 24 VDC models: 300 µF ±12 VDC models: 680 µF (each output) ±15 VDC models: 380 µF (each output) |
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