JTK30 Series
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DC-DC Converter
Input
Output
Characteristic Minimum Typical Maximum Units Notes & Conditions
Output Voltage 3.3 30 VDC See Models and Ratings table
Output Trim ±10 % Single Output Versions
Initial Set Accuracy ±1 % At full load
Minimum Load 0%No minimum load required
Line Regulation ±0.5 % From minimum to maximum input at full load
Load Regulation 0.5/1.0 % From 0% to full load for single/dual output
Cross Regulation ±5 % On dual output models, when one output is at 100% load
and other is varied from 25% load to full load
Ripple & Noise 75/60 mV pk-pk
Single output with 10 µF/25 V X7R MLCC on output
Dual output with 10 µF/25 V X7R MLCC on each output
measured using 20 MHz bandwidth
Overload Protection 170 %
Short Circuit Protection Trip and Restart (hiccup), with auto recovery
Maximum Capacitive Load See Models and Ratings table
Temperature Coefficient 0.02 %/ ˚C
Overvoltage Protection See Models and Ratings table
Remote On/Off Output is on if remote on/off (pin 3) is open
Output turns off if remote on/off (pin 3) is low (<1.2 VDC)
Characteristic Minimum Typical Maximum Units Notes & Conditions
Input Voltage Range 9 36 VDC 24 V nominal
18 75 VDC 48 V nominal
Input Reflected Ripple Current 30 mA pk-pk Through 12 µH inductor and 47 µF capacitor
Input Surge 50 VDC for 100 ms 24 V models
100 VDC for 100 ms 48 V models
General
Characteristic Minimum Typical Maximum Units Notes & Conditions
Efficiency 90 % See Models and Ratings table
Isolation: Input to Output 1600 VDC
Isolation: Input to Case 1600 VDC
Switching Frequency 330 kHz
Isolation Resistance 109Ω
Isolation Capacitance 2000 pF
Power Density 73 W/in3
Case Material Copper with plastic non conductive base UL95V-0 rated
Potting Material Epoxy UL94V-0 rated
Pin Material Brass solder coated
Solder Profile 260 °C max 1.5mm from case 10s max
Mean Time Between Failure 370 kHrs MIL-HDBK-217F, +25 °C GB
Weight 0.042 (19.0) lb (g)
Environmental
Characteristic Minimum Typical Maximum Units Notes & Conditions
Operating Temperature -40 +100 °C
Derate from 100% load at +55 °C to 50% load at +80 °C
or from 100% load at 60 °C to 50% load at 85 °C with
optional heatsink
Storage Temperature -55 +125 °C
Case Temperature +105 °C
Humidity 95 %RH Non-condensing
Cooling Natural convection