DC-DC Converter DTJ20 Series 20 Watts Regulated single & dual outputs from 3.3V to 48VDC xxx Series Wide 4:1 input range Chassis mount with optional DIN rail clip IEC/UL/cUL62368-1 safety approvals EN55032 class A Remote On/Off & voltage trim function 3kVDC isolation -40 C to +100C operating temperature Full power to 80C Dimensions: 3 year warranty DTJ20: 3.00 x 1.24 x 0.77 (76.2 x 31.4 x 19.4 mm) The DTJ series of chassis mount DC-DC power supplies allows for easy and convenient integration into a variety of industrial and commercial applications. The DC-DC power solution is constructed using lightweight materials and includes features such as short circuit protection, input reverse polarity protection and soft start. The wide input range covers nominal voltages of 12V, 24V and 48V. Models & Ratings (1,5) Input Current Maximum (2) (3,4) Efficiency Model Number (6) Capacitive Load Input Voltage Output Voltage Output Current No Load Full Load 3.3 V 5.50 A 10 mA 859 mA 10000 F 88% DTJ2024S3V3 5.0 V 4.00 A 10 mA 947 mA 6800 F 88% DTJ2024S05 12.0 V 1.67 A 10 mA 954 mA 1000 F 87% DTJ2024S12 24V 15.0 V 1.33 A 15 mA 955 mA 680 F 87% DTJ2024S15 (9-36V) 5.0 V 2.00 A 10 mA 980 mA 2200 F 85% DTJ2024D05 12.0 V 0.835 A 15 mA 954 mA 470 F 87% DTJ2024D12 15.0 V 0.665 A 15 mA 950 mA 330 F 87% DTJ2024D15 3.3 V 5.50 A 8 mA 427 mA 10000 F 88% DTJ2048S3V3 5.0 V 4.00 A 8 mA 468 mA 6800 F 89% DTJ2048S05 12.0 V 1.67 A 8 mA 469 mA 1000 F 89% DTJ2048S12 48V 15.0 V 1.33 A 8 mA 462 mA 680 F 90% DTJ2048S15 (18-75V) 5.0 V 2.00 A 8 mA 485 mA 2200 F 86% DTJ2048D05 12.0 V 0.835 A 8 mA 469 mA 470 F 89% DTJ2048D12 15.0 V 0.665 A 10 mA 464 mA 330 F 89% DTJ2048D15 Notes 1. Input current measured at nominal input voltage. 5. Input current is typically 2.0mA at nominal input voltage when output is remotely 2. Typical values. turned off. 3. For optional version fitted with DIN Clip add suffix -D e.g. DTJ2024S12-D. 6. Per output. 4. For optional factory fitted heatsink add suffix -HK e.g. DTJ2024S12-HK or DTJ2024S12-HKD with DIN clip. www.xppower.com 1DC-DC Converter DTJ20 Series Input Characteristic Minimum Typical Maximum Units Notes & Conditions 9 36 VDC 12 V & 24 V nominal input voltage Input Voltage Range 18 75 VDC 24 V & 48 V nominal input voltage Input Current See Models and Ratings table Inrush Current 35/45 A DTJ2024 / DTJ2048 series Reflected Ripple Current 20 mAp-p Measured with 12H and 47F source values Input Filter Pi type On at >8.8V Off <8.0 V DTJ2024 series Undervoltage Lockout On at >17.5V Off <16.0 V DTJ2048 series 50 VDC DTJ2024 series for 100 ms Input Surge 100 VDC DTJ2048 series for 100 ms Reverse Polarity Integrated protection On: Logic High (3.0-12 V) or open circuit. See application notes. Remote On/Off Off: Logic Low (<1.2 V) or short pin 2 to pin 6. (positive logic) Idle Current: 2 mA, typical Output Characteristic Minimum Typical Maximum Units Notes & Conditions Output Voltage 3V3 30 V See models and ratings table Output Voltage Trim 10 % See application notes Initial Set Accuracy 3 % At full load Minimum Load 0A No minimum load required Start Up Delay 30 ms At nominal input voltage Line Regulation 0.5 % From minimum to maximum input voltage Load Regulation 0.5/1.0 % 0 - 100% load. single/dual with balanced load On dual output models with one output at 25% load and the Cross Regulation 5 % other varied from 10% to 100% load. 3.3V single output / All other models. Recovery to within 1% Transient Response 8/5 % deviation in <250 s for a 25% load change 75 Single output. 20MHz bandwidth with 10F/25V MLCC Ripple & Noise mV pk-pk 60 Dual output. 20MHz bandwidth with 10F/25V MLCC Short Circuit Protection Continuous. Trip (hiccup mode), auto recovery Overload Protection 170 % Trip & restart (hiccup mode) Overvoltage Protection 140 %Vout Internal voltage clamp Temperature Coefficient 0.02 %/ C General Characteristic Minimum Typical Maximum Units Notes & Conditions Efficiency 88 % See Models and Ratings table Isolation 3000 VDC For 60 s functional Isolation Resistance 1000 M Input to Output Capacitance 2000 pF Switching Frequency 270/330 kHz 3.3 & 5V single output / All other models Mean Time Between Failure 380 kHrs MIL-HDBK-217F, +25 C GB Case Material Non conductive, black plastic UL94V-0. Power module copper case with epoxy potting UL94V-0 DIN rail option add 0.011lbs (5.0g) Weight 0.099 (45.0) lb (g) Heatsink option add 0.014lbs (6.5g) Environmental Characteristic Minimum Typical Maximum Units Notes & Conditions Operating Temperature -40 +100 C See derating curves Storage Temperature -55 +125 C Case Temperature +105 C Thermal Impendance to Air 12 C/W With heatsink 11C/W Humidity 5 95 %RH Non-condensing Cooling Natural convection, 20 LFM Altitude 5000 m Operating www.xppower.com 2