DC/DC Converter TMR 1SM Series, 1 Watt Wide 2:1 input voltage range Compact SMD package Fully regulated outputs Cost optimised design No minimum load required UL 62368-1 IEC 62368-1 Continuous short circuit protection The TMR 1SM series is a family of isolated 1 W DC/DC converter modules with Temperature range 40C to +85C regulated output, featuring wide 2:1 input voltage ranges. These products I/O isolation 1500 VDC come in a compact SMD package with small footprint. An excellent efficiency allows 40C to +85C operation temperature. Further Remote On/Off control features include remote On/Off control and continuous short circuit protection. 3-year product warranty The compact dimensions and cost optimised design make this converters an ideal solution for applications in communication equipment, instrumentation and industrial electronics. Models Order Code Input Voltage Output 1 Output 2 Efficiency Range Vnom Imax Vnom Imax typ. TMR 1-0511SM 5 VDC 200 mA 78 % TMR 1-0512SM 12 VDC 83 mA 79 % 4.5 - 9 VDC TMR 1-0513SM 15 VDC 67 mA 81 % (5 VDC nom.) TMR 1-0522SM +12 VDC 42 mA 12 VDC 42 mA 79 % TMR 1-0523SM +15 VDC 33 mA 15 VDC 33 mA 80 % TMR 1-1211SM 5 VDC 200 mA 79 % TMR 1-1212SM 12 VDC 83 mA 79 % 9 - 18 VDC TMR 1-1213SM 15 VDC 67 mA 82 % (12 VDC nom.) TMR 1-1222SM +12 VDC 42 mA 12 VDC 42 mA 81 % TMR 1-1223SM +15 VDC 33 mA 15 VDC 33 mA 80 % 5 VDC 200 mA 79 % TMR 1-2411SM TMR 1-2412SM 12 VDC 83 mA 82 % 18 - 36 VDC TMR 1-2413SM 15 VDC 67 mA 82 % (24 VDC nom.) TMR 1-2422SM +12 VDC 42 mA 12 VDC 42 mA 82 % TMR 1-2423SM +15 VDC 33 mA 15 VDC 33 mA 82 % TMR 1-4811SM 5 VDC 200 mA 79 % TMR 1-4812SM 12 VDC 83 mA 80 % 36 - 75 VDC TMR 1-4813SM 15 VDC 67 mA 80 % (48 VDC nom.) TMR 1-4822SM +12 VDC 42 mA 12 VDC 42 mA 81 % TMR 1-4823SM +15 VDC 33 mA 15 VDC 33 mA 81 % Page 1 / 4 www.tracopower.com September 30, 2021TMR 1SM Series, 1 Watt Input Specifications Input Current - At no load 5 Vin models: 40 mA typ. 12 Vin models: 20 mA typ. 24 Vin models: 10 mA typ. 48 Vin models: 7 mA typ. Surge Voltage 5 Vin models: 15 VDC max. (1 s max.) 12 Vin models: 25 VDC max. (1 s max.) 24 Vin models: 50 VDC max. (1 s max.) 48 Vin models: 100 VDC max. (1 s max.) Reflected Ripple Current 5 Vin models: 80 mAp-p typ. 12 Vin models: 40 mAp-p typ. 24 Vin models: 30 mAp-p typ. 48 Vin models: 20 mAp-p typ. Recommended Input Fuse 5 Vin models: 500 mA (slow blow) 12 Vin models: 250 mA (slow blow) 24 Vin models: 120 mA (slow blow) 48 Vin models: 60 mA (slow blow) (The need of an external fuse has to be assessed in the final application.) Output Specifications Voltage Set Accuracy 1% max. Regulation - Input Variation (Vmin - Vmax) single output models: 0.2% max. dual output models: 0.2% max. - Load Variation (10 - 90%) single output models: 0.5% max. dual output models: 0.8% max. (Output 1) 0.8% max. (Output 2) Ripple and Noise - 20 MHz Bandwidth 75 mVp-p max. Capacitive Load - single output 5 Vout models: 1 680 F max. 12 Vout models: 820 F max. 15 Vout models: 680 F max. - dual output 12 / -12 Vout models: 470 / 470 F max. 15 / -15 Vout models: 330 / 330 F max. Minimum Load Not required Temperature Coefficient 0.02 %/K max. Short Circuit Protection Automatic recovery Overload Protection Foldback Mode Output Current Limitation 120% min. of Iout max. 130% typ. of Iout max. Transient Response - Response Deviation 5% max. (25% Load Step) - Response Time 250 s typ. (25% Load Step) Safety Specifications Safety Standards - IT / Multimedia Equipment CSA-C22.2, No. 60950-1 EN 60950-1 EN 62368-1 IEC 60950-1 IEC 62368-1 UL 60950-1 UL 62368-1 - Certification Documents www.tracopower.com/overview/tmr1sm Pollution Degree PD 2 All specifications valid at nominal voltage, resistive full load and +25C after warm-up time, unless otherwise stated. Page 2 / 4 www.tracopower.com September 30, 2021