JTD20 Series DC-DC Converter 20 Watts xxx Series • Single and Dual Outputs • Wide 4:1 Input Range • 1.6” x 1” Footprint • -40 °C to +100 °C Operation • Full Load at 65 °C Ambient • 3000 VDC Isolation • Output Trim ±10% • Remote On/Off • 3 Year Warranty Dimensions: JTD20: 1.6 x 1.0 x 0.41” (40.6 x 25.4 x 10.4 mm) Models & Ratings Input Voltage 9-36V 18-75V Output Voltage Input Current(1) Output Current No Load Full Load Efficiency Max. capacitive load(2) Model Number 3.3 V 5500 mA 10 mA 850 mA 89.0% 10000 µF JTD2024S3V3 5V 4000 mA 10 mA 935 mA 89.0% 6800 µF JTD2024S05 12 V 1670 mA 10 mA 945 mA 88.5% 1000 µF JTD2024S12 15 V 1330 mA 15 mA 945 mA 88.0% 680 µF JTD2024S15 ±5 V ±2000 mA 10 mA 970 mA 86.0% ±2200 µF JTD2024D05 ±12 V ±835 mA 15 mA 945 mA 88.5% ±470 µF JTD2024D12 ±15 V ±665 mA 15 mA 940 mA 88.5% ±330 µF JTD2024D15 3.3 V 5500 mA 8 mA 425 mA 89.5% 10000 µF JTD2048S3V3 5V 4000 mA 8 mA 465 mA 90.0% 6800 µF JTD2048S05 12 V 1670 mA 8 mA 465 mA 90.0% 1000 µF JTD2048S12 15 V 1330 mA 8 mA 455 mA 91.0% 680 µF JTD2048S15 ±5 V ±2000 mA 8 mA 480 mA 87.0% ±2200 µF JTD2048D05 ±12 V ±835 mA 8 mA 465 mA 90.0% ±470 µF JTD2048D12 ±15 V ±665 mA 10 mA 460 mA 90.5% ±330 µF JTD2048D15 Notes 1. Input currents measured at nominal input voltage. 2. Maximum capacitive load is per output. Mechanical Details 1.00 (25.4) 0.10 (2.54) 0.40 0.40 (10.16) (10.16) 0.41 (10.4) 0.10 (2.54) 0.02 (0.5) 0.40 (10.16) Dia 0.04 (1.0) 1.60 (40.64) 0.80 (20.32) Dia 0.04 (1.0) 0.40 (10.16) Pin Connections Single +Vin -Vin +Vout Trim -Vout Remote On/Off Dual +Vin -Vin +Vout Common -Vout Remote On/Off Notes 0.40 (10.16) 1 Pin 1 2 3 4 5 6 0.40 (10.16) 0.24 (6.0) 0.20 (5.08) 1. All dimensions are in inches (mm) 2. Weight: 0.064 lbs (29.0 g) approx. 3. Pin diameter: 0.04 ±0.002 (1.0 ±0.05) www.xppower.com 4. Pin pitch tolerance: ±0.014 (±0.35) 5. Case tolerance: ±0.02 (±0.5) JTD20 Series DC-DC Converter Input Characteristic Input Voltage Range Minimum Units 36 VDC 24 V nominal 18 75 VDC 48 V nominal 50 VDC for 100 ms 24 V models 100 VDC for 100 ms 48 V models Maximum Units Notes & Conditions 30 VDC See Models and Ratings table Input Reflected Ripple Current Typical Notes & Conditions Maximum 9 20 mA pk-pk Input Surge Through 12 µH inductor and 47 µF capacitor Output Characteristic Minimum Output Voltage 3.3 Output Trim ±10 Typical Initial Set Accuracy Minimum Load ±1 0 % Single output only, see Application Note % At full load % No minimum load required From minimum to maximum input at full load Line Regulation ±0.5 % Load Regulation 0.5/1.0 `% From 0% to full load for single/dual output % On dual output models, when one output is at 100% load and other is varied from 25% load to full load Cross Regulation ±5 Start Up Time 30 ms Ripple & Noise Overload Protection 75/60 mV pk-pk 170 % Short Circuit Protection Continuous hiccup mode, with auto recovery Maximum Capacitive Load See Models and Ratings table Temperature Coefficient Overvoltage Protection Remote On/Off Single/Dual Output, Measured using 20 MHz bandwidth and 10 µF/25 V MLCC per output 0.02 %/ ˚C 140 % Output is on if remote on/off (pin 3) is open or high (3-12 VDC) Output turns off if remote on/off (pin 3) is low (<1.2 VDC max) General Characteristic Minimum Efficiency Maximum 85 Isolation: Input to Output 3000 Isolation: Input and output to Case 1600 Switching Frequency Isolation Resistance Typical % 270/330 2000 Power Density Mean Time Between Failure 30 400 Weight See Models and Ratings table 60 s VDC 60 s kHz 3V3 & 5 V models/other models pF W/in3 kHrs 0.064 (29.0) Notes & Conditions VDC Ω 109 Isolation Capacitance Units MIL-HDBK-217F, +25 °C GB lb (g) Environmental Characteristic Minimum Operating Temperature -40 Storage Temperature -55 Case Temperature Humidity Typical Maximum Units Notes & Conditions +100 °C See Derating Curve +125 °C +105 °C 95 %RH Cooling Thermal Impedance to Air Non-condensing Natural convection 12 °C/W www.xppower.com 2 JTD20 Series DC-DC Converter EMC: Emissions Phenomenon Standard Test Level Conducted EN55032 Class A Notes & Conditions No external components required Radiated EN55032 Class A No external components required EMC: Immunity Phenomenon Standard Test Level Criteria ESD Immunity EN61000-4-2 ±6 kV/±8 kV B Notes & Conditions Radiated Immunity EN61000-4-3 20 Vrms A EFT/Burst EN61000-4-4 2 kV A Requires 330 µF/100 V electrolytic and 3 kW TVS (SMDJ58A for 24 V input, SMDJ120A for 48 V input) Surge EN61000-4-5 2 kV A Required 330 µF/100 V electrolytic and 3 kW TVS (SMDJ58A for 24 V input, SMDJ120A for 48 V input) Conducted Immunity EN61000-4-6 10 V rms A Magnetic Fields EN61000-4-8 100 A/m A Contact Discharge/Air Discharge Mechanical Details 0.10 (2.54) 1.00 (25.4) 0.40 0.40 (10.16) (10.16) 0.41 (10.4) 0.10 (2.54) 0.02 (0.5) 0.40 (10.16) Dia 0.04 (1.0) 0.80 (20.32) 1.60 (40.64) Dia 0.04 (1.0) 0.40 (10.16) 0.40 (10.16) 0.40 (10.16) Pin Connections Pin Single Dual 1 +Vin +Vin 2 -Vin -Vin 3 +Vout +Vout 4 Trim Common 5 -Vout -Vout 6 Remote On/Off Remote On/Off Notes 1. All dimensions are in inches (mm) 2. Weight: 0.042 lbs (19.0 g) approx. 3. Pin diameter: 0.04±0.002 (1.0 ±0.05) 4. Pin pitch tolerance: ±0.014 (±0.35) 5. Case tolerance: ±0.02 (±0.5) 0.24 (6.0) 0.20 (5.08) Output Power Derating Curve 100% A 75% Note: Point A is 60 °C for dual 5 V output models 50% 25% -40 65 80 100 Ambient Temperature (°C) 3 www.xppower.com JTD20 Series DC-DC Converter Application Notes External Output Trimming Output can be externally trimmed by using the method as below, (single output models only) 5 5 6 6 Ru Trim Up JTD20 Bottom View 4 JTD20 Bottom View 4 2 Trim Down 1 Rd 2 1 3 3 Trim Down Resistor Values (Rd) Models 3V3 5V 12V 15V 1% 309.0 k 119.9 k 345.0 k 174.4 k 2% 165.4 k 77.70 k 138.1 k 91.10 k 3% 105.6 k 50.50 k 79.90 k 56.60 k 4% 72.9 k 35.2 k 51.5 k 37.7 k 5% 52.3 k 25.3 k 34.6 k 25.8 k 6% 38.0 k 18.4 k 23.4 k 17.6 k 7% 27.6 k 13.4 k 15.5 k 11.6 k 8% 19.7 k 9.50 k 9.50 k 7.00 k 9% 13.5 k 6.40 k 4.90 k 3.50 k 10% 8.40 k 3.90 k 1.26 k 0.55 k 3% 96.40 k 92.80 k 113.6 k 134.0 k 4% 60.8 k 61.1 k 79.9 k 91.0 k 5% 40.8 k 43.8 k 59.5 k 66.8 k 6% 27.9 k 32.9 k 45.8 k 51.3 k 7% 19.0 k 25.4 k 35.9 k 40.4 k 8% 12.4 k 20.0 k 28.5 k 32.5 k 9% 7.30 k 15.8 k 22.7 k 26.4 k 10% 3.40 k 12.5 k 18.1 k 21.5 k Trim Up Resistor Values (Ru) Models 3V3 5V 12V 15V 1% 537.7 k 635.2 k 367.4 k 661.5 k 2% 177.1 k 170.0 k 179.6 k 231.3 k www.xppower.com 22 May 17