xppower.com 10 20 Watts JTA Series 4:1 Input Range 40 C to +100 C Operating Temperature Single & Dual Outputs Overvoltage & Overcurrent Protection UL Safety Approvals Remote On/Off 3 Year Warranty Specification Input General Input Voltage Range 24 V (9-36 VDC) Efficiency See table 48 V (18-75 VDC) Isolation Voltage 1500 VDC Input to Output Input Current JTA10: 1.65 A max at 9 VDC input 9 Isolation Resistance 10 JTA15: 2.20 A max at 9 VDC input Switching Frequency 300 kHz typical JTA20: 2.90 A max at 9 VDC input 3 Power Density JTA10: 11.4 W/in Input Filter Pi Network 3 JTA15: 10.4 W/in Input Surge 24 V models: 50 VDC for 100ms 3 JTA20: 13.9 W/in 48 V models: 100 VDC for 100 ms MTBF 1.0 MHrs to MIL-HDBK-217F at 25C, GB Input Reflected Ripple 24 V models, with a 100 F capacitor: Current JTA10: 20mA pk-pk, JTA15: 35mA pk-pk JTA20: 60mA pk-pk, 48 V models, with a 22 F capacitor: Environmental JTA10: 30 mA pk-pk, JTA15: 20 mA pk-pk JTA20: 30 mA pk-pk Operating Temperature -40 C to +100 C, derate from 100% load at 70 C (60 C for JTA20) to no load Input Reverse Voltage None Protection at 100 C Case Temperature +100 C max Output Cooling Convection-cooled Operating Humidity 5-95% RH, non-condensing Output Voltage See table Storage Temperature -55 C to +105 C Output Voltage Trim 10% (15 & 20 W models only) Voltage Balance 1% max dual models, 100% load Minimum Load No minimum load required for single output models, 10% required for dual EMC & Safety output models Emissions EN55022, Line Regulation 1% max level A conducted (below -25 C) Load Regulation Single output models: 1% max level B conducted (-25 C to +100 C) Dual output models: 2% max (see note 1) for a 10-100% load change EN55022, level A radiated Setpoint Accuracy 2% ESD Immunity EN61000-4-2, level 2 Ripple & Noise Single output models: 50 mV pk-pk Perf Criteria A Dual output models: 75 mV pk-pk typical Radiated Immunity EN61000-4-3 3 Vrms, at 20 MHz bandwidth Perf Criteria A Transient Response 4% max deviation, recovery to within Conducted Immunity EN61000-4-6 3 V/m, 1% in <500 s for a 25% load change Perf Criteria A Temperature 0.02%/C Coefficient Safety Approvals UL60950-1 Overvoltage Protection See table Overcurrent Protection 120-190% JTA10: Constant current, auto recovery JTA15/20: Trip & restart (hiccup mode) Short Circuit Protection Continuous with auto recovery Remote On/Off On = Logic High or Open Off = Logic Low or <1.8 V (15 & 20 W models only) Maximum Capacitive Single outputs: 1000 F, Dual outputs: 650 F Load DC DCDC DC JTA10 Models and Ratings Output V1 Output V2 Input Maximum Overvoltage Model (2) Efficiency Voltage Power Protection Number Voltage Current Voltage Current 6.6 W 3.9 V 3.3 V 2.00 A 77% JTA1024S3V3 10.0 W 6.8 V 5.0 V 2.00 A 79% JTA1024S05 10.0 W 15.0 V 12.0 V 0.83 A 81% JTA1024S12 9-36 VDC 10.0 W 18.0 V 15.0 V 0.67 A 81% JTA1024S15 10.0 W 6.8 V +5.0 V 1.00 A -5.0 V 1.00 A 80% JTA1024D01 10.0 W 15.0 V +12.0 V 0.42 A -12.0 V 0.42 A 80% JTA1024D02 10.0 W 18.0 V +15.0 V 0.33 A -15.0 V 0.33 A 80% JTA1024D03 6.6 W 3.9 V 3.3 V 2.00 A 78% JTA1048S3V3 10.0 W 6.8 V 5.0 V 2.00 A 80% JTA1048S05 10.0 W 15.0 V 12.0 V 0.83 A 82% JTA1048S12 10.0 W 18.0 V 15.0 V 0.67 A 82% JTA1048S15 18-75 VDC 10.0 W 6.8 V +5.0 V 1.00 A -5.0 V 1.00 A 81% JTA1048D01 10.0 W 15.0 V +12.0 V 0.42 A -12.0 V 0.42 A 83% JTA1048D02 10.0 W 18.0 V +15.0 V 0.33 A -15.0 V 0.33 A 83% JTA1048D03 Notes 1. For EN55022 Level B performance below -25 C, a 100 F (24 VDC input), 22 F (48 VDC input) electrolytic capacitor is required across the input of the converter. 2. Efficiency is measured at nominal input, full load and 25 C Mechanical Details 1.00 (25.4) 0.41 0.50 (10.2) (12.7) 0.20 0.22 (5.1) (5.6) PIN CONNECTIONS Pin Single Output Dual Output 1 +Input +Input 0.60 2 -Input -Input ( 15.2) 3 +Output +Output 4 No pin Common 2 1 5 -Output -Output 2.00 0.80 Bottom View (50.8) (20.3) 0.04 DIA 5 4 3 (1.0) Notes 1. All dimensions are in inches (mm) 2. Weight: 0.06 lb (28 g) approx. 3. Pin diameter tolerance: 0.002 (0.052) 4. Pin pitch tolerance: 0.01 (0.25) 5. Case tolerance: 0.04 (1.0) 6. Packaging Style: Copper case with non-conducting base 0.30 0.44 (7.6) (11.14) 0.10 (2.5) Application Notes 12 W Derating Curve 10 W 8 W 6 W 4 W 2 W 0 W -40 0 10 20 30 40 50 60 70 80 90 100 Ambient Temp (C) LOAD (W)