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| DC-DC 20 Watts JTM20 Series * * * * * * * 4:1 Input Range xppower.com -40 C to +100 C Operating Temperature Single & Dual Outputs Overvoltage & Overcurrent Protection High Efficiency - Up to 91% Standard Remote On/Off 1600 VDC Isolation Specification Input Input Voltage Range Input Current Undervoltage Lockout Input Surge * 24 V (9-36 VDC) 48 V (18-75 VDC) * See table * 24 V models: ON 8.6 V, OFF 7.9 V typical 48 V models: ON 17.8 V, OFF 16 V typical * 24 V models 50 VDC for 100 ms 48 V models 100 VDC for 100 ms General Efficiency Isolation * See table * 1600 VDC Input to Output 1600 VDC Input to Case 1600 VDC Output to Case * 330 kHz typical * 560 kHrs min per MIL-HDBK-217F Switching Frequency MTBF Environmental Output Output Voltage Output Voltage Trim Voltage Balance Minimum Load * * * * See table 10% 1% max dual models, balanced load No minimum load required for single output models, 10% required for dual output models 0.5% max Single output models: 0.5% max Dual output models: 1% max balanced outputs 5% for dual outputs, see note 2 1% 20 ms typical Single output models: 75 mV pk-pk Dual output models: 75 mV pk-pk at 20 MHz BW, see note 3 3% max deviation, recovery to within 1% in <250 s for a 25% load change 0.02%/C Operating Temperature Case Temperature Cooling Operating Humidity Storage Temperature * * * * * -40 C to +105 C, see derating curve +105 C max Convection-cooled 5-95% RH, non-condensing -40 C to +125 C EMC & Safety Emissions * EN55022, class A conducted & radiated with external components - see application notes * EN61000-4-2, level 2 Perf Criteria B * EN61000-4-3 10 V/rms, Perf Criteria A * EN61000-4-4 level 3, Perf Criteria B* * EN61000-4-5 level 2, Perf Criteria B* * EN61000-4-6 10 V/m,Perf Criteria A * EN61000-4-8 1 A/m, Perf Criteria A * EN60950-1, IEC60950-1 Line Regulation Load Regulation * * Cross Regulation Setpoint Accuracy Start Up Time Ripple & Noise * * * * Transient Response * ESD Immunity Radiated Immunity EFT/Burst Surge Conducted Immunity Magnetic Field Safety Approvals *See note 4. Temperature * Coefficient Overvoltage Protection * 3.3 V models: 3.9 V typical 5 V models: 6.2 V typical 12 V models: 15 V typical 15 V models: 18 V typical 5 V models: 6.2 V typical 12 V models: 15 V typical 15 V models: 18 V typical Overload Protection * >120% Short Circuit Protection * Trip & restart (Hiccup mode), auto recovery Remote On/Off * On = Logic High (<3.0 V) or Open Off = Logic Low (<1.2 V) or short pin 2 to 6 see note 5 DC-DC Models and Ratings Input Voltage Output Voltage 3.3 5.0 12.0 15.0 5.0 12.0 15.0 3.3 5.0 12.0 15.0 5.0 12.0 15.0 VDC VDC VDC VDC VDC VDC VDC VDC VDC VDC VDC VDC VDC VDC Output Current 5.500 4.000 1.670 1.330 2.000 0.835 0.665 5.500 4.000 1.670 1.330 2.000 0.835 0.665 A A A A A A A A A A A A A A Input Current (1) No Load Full Load 50 mA 879 mA 50 mA 957 mA 22 mA 980 mA 22 mA 968 mA 65 mA 969 mA 25 mA 980 mA 25 mA 980 mA 30 30 15 15 40 15 15 mA mA mA mA mA mA mA 440 473 484 484 484 490 490 mA mA mA mA mA mA mA Maximum Capacitive Load 10,000 F 6,800 F 1,000 F 680 F 2,200 F 470 F 330 F 10,000 6,800 1,000 680 2,200 470 330 F F F F F F F 89% 91% 89% 89% 89% 88% 89% 89% 91% 89% 89% 89% 88% 89% JTM20 Efficiency Model Number JTM2024S3V3 JTM2024S05 JTM2024S12 JTM2024S15 JTM2024D05 JTM2024D12 JTM2024D15 JTM2048S3V3 JTM2048S05 JTM2048S12 JTM2048S15 JTM2048D05 JTM2048D12 JTM2048D15 9-36 VDC 18-75 VDC Notes 1. 2. 3. 4. 5. Input currents specified at nominal 24 V or 48 V input. Cross regulation is 5% when one output is at 100% and the other is varied between 25% and 100%. Measured with 1 F ceramic capacitor across output rails. External input capacitor required Nippon Chemi-Con KY series 220 F/100 V or equivalent. Non-standard versions can have Remote On/Off function and pin removed. Mechanical Details All dimensions are in inches (mm) Weight: 0.07 lbs (30 g) 1.00 (25.40) 0.10 (2.54) 0.40 (10.16) 0.40 (10.16) 0.10 (2.54) 0.40 (10.16) PIN CONNECTIONS Pin 1 0.60 (15.24) DIA. 0.04 (1.00) 3 4 Bottom View 5 Single +Vin -Vin +Vout Trim -Vout Remote On/Off Dual +Vin -Vin +Vout Com -Vout Remote On/Off 2 3 4 5 6 2.00 (50.80) 0.80 (20.32) 1 2 6 0.60 (15.24) Notes 1. 2. 3. 4. All dimensions are in inches (mm). Pin diameter: 0.04 0.002 (1.0 0.05) Pin pitch tolerance: 0.014 (0.35) Case tolerance: 0.02 (0.5) 0.40 (10.16) 0.40 0.20 (5.08) (10.16) 0.20 (5.08) min Application Notes Derating Curve 100 External Output Trim 4 3 TRIM UP TRIM DOWN 80 Load (%) 60 40 20 0 -40 -20 5 4 Input Filter L +Vin +Vout 0 10 20 30 40 50 60 Ambient Temperature (C) 70 80 90 100 110 C1 C2 DC/DC Converter LOAD -Vin -Vout Remote On/Off Control Standard ROF logic is positive. Output On >3.0 VDC or open circuit Output Off <1.2 VDC or short circuit pins 2 & 6 Model 24 VDC 48 VDC C1 2.2 F, 100 V 2.2 F, 100 V L 12 H 12 H C2 2.2 F, 100 V 2.2 F, 100 V 27-Nov-08 |
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