RQB-100Y Series 100 W Isolated DC-DC Converter The RQB-100Y Series is a high-performance product, specifically designed for a variety of railway applications. The DC-DC converters feature 100 W single output voltage, wide input voltage from 14 - 160 VDC and extended operating temperature range from -40 to 105C. Additional product features include input under-voltage protection, output over-voltage, short-circuit, over-current and over-temperature protection, remote On/Off control, remote sense compensation, programmable under-voltage lockout, hold-up function, output voltage trim adjustment. The products are widely used in railway systems and associated equipment. Key Features & Benefits Ultra-wide 12:1 input voltage range: 14 160 VDC High efficiency up to 90% Reinforced insulation, I/O isolation test voltage 3 kVAC Operating ambient temperature range -40 C to +105 C Input under-voltage protection, output overvoltage, over-current, short-circuit protection, over-temperature protection Industry standard 1/4-brick package and pin-out Meets EN 50155 and AREMA standard Safety approved according to IEC 62368-1 Applications RoHS Compliant Railway related equipment belfuse.com/power-solutions2 RQB-100Y Series 1. MODEL SELECTION INPUT VOLTAGE OUTPUT MAX. OUTPUT TYPICAL MAX. CAPACITIVE PART NUMBER RANGE VOLTAGE CURRENT EFFICIENCY LOAD SUFFIX VDC VDC mA % F RQB-100Y12x 14 160 12 8330 90 7000 RQB-100Y15x 14 160 15 6670 90 4500 No suffix = Standard model RQB-100Y24x 14 160 24 4160 89 1800 C = Added Heatsink RQB-100Y28x 14 160 28 3570 89 1300 F = Added Flanged baseplate RQB-100Y48x 14 160 48 2080 90 1000 RQB-100Y54x 14 160 54 1850 90 820 2. INPUT SPECIFICATIONS PARAMETER DESCRIPTION / CONDITIONS MIN. TYP. MAX. UNIT Nominal 110 Input Voltage Range Continuous operation 16.8 160 VDC For 100 ms 14 24 V input, full load 4.7 4.9 Input Current 72 V input, full load 1.55 1.6 A 110 V input, full load 1.03 1.06 No-Load Power Consumption Full input range 1.2 2.0 W Reflected Ripple Current Nominal input voltage 150 mA Surge Voltage 1 sec. max. 200 VDC Input Under-Voltage Protection 10 11 VDC Start-up Time 50 100 ms Module on Ctrl pin open or pulled high (3.5 - 12 VDC) 1 Ctrl Module off Ctrl pin pulled low to GND (0 - 1.2 VDC) Input power consumption when off, full input range 0.7 1.6 W 1 The Ctrl pin voltage is referenced to input -Vin. 3. OUTPUT SPECIFICATIONS PARAMETER DESCRIPTION / CONDITIONS MIN TYP. MAX. UNIT Voltage Accuracy Nominal input voltage, full load 1 % Linear Regulation Input voltage variation from min. to max. at full load 0.2 0.5 % Load Regulation Nominal input voltage, 10% - 100% load 0.5 1 % Transient Recovery Time 500 s 25% load step change 25C Transient Response Deviation 3 5 % Temperature Coefficient Nominal input voltage, full load 0.03 % / C 1 Ripple & Noise 20 MHz bandwidth, full load 25C 150 300 mVp-p Output Voltage Trim Range 90 110 % Vo Sense 105 % Vo Over-Temperature Protection Max. case temperature 115 125 C Over-Voltage Protection Input voltage range 110 160 % Vo Over-Current Protection Input voltage range 105 160 260 % Io Short-Circuit Protection Input voltage range Hiccup, continuous, self-recovery 1 For ripple and noise measuring method, please refer to Figure 5. tech.support psbel.com belfuse.com/power-solutions