xppower.com 25 Watts JCL Series 2:1 Input Range High Efficiency up to 90% 40 C to +100 C Operating Temperature Fixed 300 kHz Switching Frequency Regulated Single Outputs Continuous Short Circuit Protection Six sided Metal Case or Open Frame Specification Input General Input Voltage Range 24 VDC (18-36 VDC) Efficiency See table 48 VDC (36-75 VDC) Isolation Voltage 1500 VDC Input to Output Input Current See table 1500 VDC Input to Case -V Output is connected to case Input Filter Pi network Switching Frequency 300 kHz typical Undervoltage Lockout Turn on >71% nominal input, Turn off <67% nominal input MTBF >750 kHrs to MIL-STD-217F Output Environmental Output Voltage See table Operating Temperature -40 C to +100 C (see derating curve) Output Voltage Adj 10% Case Temperature +100 C max Minimum Load No minimum load required Storage Temperature -55 C to +125 C Line Regulation 0.5% max Cooling Convection-cooled Load Regulation 0.5% max from 10% to full load Operating Humidity Up to 90%, non-condensing Setpoint Accuracy 1.0% max Shock 30 g, half sine wave 18 ms pulse applied 3 times on each of 6 axes Ripple & Noise 1.8 V, 2.5 V, 3.3 V & 5.0 V models 75 mV pk-pk max (20 MHz bandwidth) Vibration 5-500 Hz, 3 g, for 10 mins on each 12.0 V & 15.0 V models of 3 axes 100 mV pk-pk max (20 MHz bandwidth) Transient Response 5% max deviation, recovery to within EMC 1% in 300 s for a 25% load change Emissions EN55022, Level A conducted & radiated Temperature 0.02%/C with external components - contact Coefficient technical sales Overvoltage Protection 1.8 V & 2.5 V models 3.3 V typical, ESD Immunity EN61000-4-2, Level 2 Perf Criteria A 3.3 V models 3.9 V typical, Radiated Immunity EN61000-4-3, 3 V/m Perf Criteria A 5.0 V models 6.2 V typical, Conducted Immunity EN61000-4-6, 3 V rms Perf Criteria A 12.0 V models 15.0 V typical, 15.0 V models 18.0 V typical Overcurrent Protection 110-150% Short Circuit Protection Trip & restart (hiccup mode) Remote On/Off ON >3.5 VDC or open circuit OFF <1.8 VDC Optional negative logic, add suffix -N to model number Thermal Protection Shuts down when case measures +110 C typical DC DCDC DC JCL Models and Ratings (1) Input Output Output Input Current Model Efficiency (2, 3) Voltage Voltage Current Number No Load Full Load 1.8 VDC 8.0 A 60 mA 714 mA 84% JCL2524S1V8 2.5 VDC 8.0 A 55 mA 749 mA 88% JCL2524S2V5 3.3 VDC 6.0 A 55 mA 729 mA 89% JCL2524S3V3 0.600 18-36 VDC (15.24) 5.0 VDC 5.0 A 60 mA 1157 mA 90% JCL2524S05 0.70 (17.78) 0.200 12.0 VDC 2.0 A 30 mA 1149 mA 89% JCL2524S12 (5.08) 4 3 1 15.0 VDC 1.6 A 30 mA 1149 mA 89% JCL2524S15 1.8 VDC 8.0 A 30 mA 397 mA 84% JCL2548S1V8 2.5 VDC 8.0 A 30 mA 473 mA 88% JCL2548S2V5 3.3 VDC 6.0 A 40 mA 463 mA 89% JCL2548S3V3 36-75 VDC 5.0 VDC 5.0 A 40 mA 579 mA 80% JCL2548S05 12.0 VDC 2.0 A 20 mA 568 mA 88% JCL2548S12 15.0 VDC 1.6 A 20 mA 568 mA 88% JCL2548S15 TOP VIEW NNootteess -3.33%/C for metal case models 1. Input currents specified at nominal 24 V or 48 V input. 100 2. For optional open frame version, add suffix -U to model number. 0.14 7 6 5 3. For optional negative logic Remote On/Off, add suf(3.60fix )-N to model number. -2.50%/C for open frame models 0.100 0.300 0.15 80 (2.54) (7.62) 0.70 (3.80) Mechanical Details (17.78) 1.55 0.40 60 All dimensions are in inches (mm) (39.40) (10.16) Weight: 25 g (0.06 lbs) 40 Metal Case Open Frame 1.60 0.600 (40.64) 20 (15.24) 0.50 0.70 (17.78) (12.70) 0.70 (17.78) 0.22min 0.200 0.30 0.10 0 (5.60) (7.62) (5.08) (2.54) -40 -20 0 10 20 30 40 50 60 70 80 90 100 4 3 1 Ambient Temperature (C) 8756 0.04 DIA (1.02) 1.80 (45.72) BOTTOM 2.00 -3.33%/C for (50.80) VIEW 100 Metal Case Model TOP VIEW PIN CONNECTIONS PIN CONNECTIONS -2.50%/C for Pin Function Pin Function Open Frame Model 1 On/Off Control 1 On/Off Control 50 431 3 - V Input 3 - V Input 0.14 4 +V Input 76 5 4 +V Input 0.45 (3.60) 0.70 0.20 0.100 0.300 (11.43) 5 Trim 5 Trim (17.78) 0.15 (5.08) (2.54) (7.62) 0.70 (3.80) 6 -V Output & Case 6 -V Output -40 60 70 100 0.60 (17.78) (15.24) 7 +V Output 7 +V Output 1.55 Temp (C) 0.40 (39.40) 8 No Pin 8 No Pin (10.16) Application Notes 1.60 Derating Curve External Output Trim (40.64) 0.50 0.70 Derating: (12.70) (17.78) 0.22min +Vout (3) 0.30 +Vout (3) Metal case models above +70 C, linearly to zero power at 100 C. 0.10 (5.60) (7.62) (2.54) Open frame models above +60 C, linearly to zero power at 100 C. TRIM DOWN 8756 -3.33%/C for metal case models 0.04 DIA 10K ohms 100 TRIM (4) TRIM (4) (1.02) TRIMPOT -2.50%/C for open frame m1.80 odels 80 (45.72) TRIM U P BOTTOM 2.00 60 (50.80) VIEW -Vout (5) -Vout (5) 40 20 431 0 -40 -20 0 10 20 30 40 50 60 70 80 90 100 0.45 0.70 0.20 (11.43) Ambient Temperature (C) (17.78) (5.08) 0.60 (15.24) ON/OFF (1) Remote On/Off Control -3.33%/C for Standard ROF logic 100is positive. Metal Case ModelOptional ROF logic is negative (-N version). Output On >3.5 VDC or open circuit Output On <1.8 VDC -2.50%/C for HIGH SIGNAL HERE Open Frame Model Output Off <1.8 VDC Output Off >3.5 VDC or open circuit DISABLE OUTPUT 50 -VIN (3) -40 60 70 100 Temp (C) 17-Apr-07 +Vout (3) +Vout (3) TRIM DOWN 10K ohms TRIM (4) TRIM (4) TRIMPOT TRIM U P -Vout (5) -Vout (5) ON/OFF (1) HIGH SIGNAL HERE DISABLE OUTPUT -VIN (3) Load (%) Load (%) 1.80 (45.72) 1.95 (49.50) 0.070 (1.78) 0.040 (1.02) Load (%) Load (%) 1.80 (45.72) 1.95 (49.50) 0.070 (1.78) 0.040 (1.02)