DC-DC 10 Watts xppower.com JCF10 Series • 2:1 Input Range • DIP-24 Metal Package • Operating Temperature -40 °C to +100 °C • High Efficiency up to 89% • 1500 VDC Isolation • Input Pi Filter • Continuous Short Circuit Protection Specification Input Input Voltage Range Input Current Input Filter Undervoltage Lockout General • 24 V (18-36 VDC) 48 V (36-75 VDC) • See table • Pi network • Turn on >71% nominal input Turn off <67% nominal input Output Output Voltage Minimum Load Line Regulation Load Regulation Setpoint Accuracy Ripple & Noise Transient Response • • • • • • • See table None ±0.2% ±0.5% ±1.0% 75 mV pk-pk, 20 MHz BW ±5% deviation recovery to within 1% in <500 µs for a 25% step load change • ±0.05%/°C Temperature Coefficient Overvoltage Protection • On single output models only 2.5 V models: 3.9 V typical, 3.3 V models: 3.9 V typical, 5.0 V models: 6.2 V typical, 12.0 V models: 15.0 V typical Overcurrent Protection • 110-140% Short Circuit Protection • Trip & restart (Hiccup mode), auto recovery Efficiency Isolation Voltage • See table • 1500 VDC min Switching Frequency • 380 kHz typical MTBF • 1,000 kHrs min per MIL-HDBK-217F Environmental Operating Temperature Case Temperature Storage Temperature Cooling Operating Humidity Shock Vibration • • • • • • -40 °C to +100 °C (see derating curve) +100 °C max -40 °C to +125 °C Convection-cooled Up to 95% RH, non-condensing 30 g, half sine wave 18 ms pulse applied 3 times on each of 6 axes • 5-500 Hz, 3 g, for 10 mins on each of 3 axes EMC Emissions ESD Immunity Radiated Immunity Conducted Immunity • EN55022, Level A conducted & radiated with external components (contact technical sales for details) • EN61000-4-2, Level 2 Perf Criteria A • EN61000-4-3, 3 V/m Perf Criteria A • EN61000-4-6, 3 V rms Perf Criteria A Input Voltage 18-36 VDC 36-75 VDC Output Voltage 2.5 VDC 3.3 VDC 5.0 VDC 12.0 VDC 2.5 VDC 3.3 VDC 5.0 VDC 12.0 VDC Input Current(1) No Load Full Load 30 mA 368 mA 30 mA 480 mA 30 mA 475 mA 30 mA 470 mA 15 mA 185 mA 15 mA 240 mA 15 mA 240 mA 15 mA 235 mA Output Current 3.00 A 3.00 A 2.00 A 0.84 A 3.00 A 3.00 A 2.00 A 0.84 A Efficiency 85% 86% 88% 89% 85% 86% 87% 89% Model Number JCF1024S2V5^ JCF1024S3V3^ JCF1024S05^ JCF1024S12^ JCF1048S2V5^ JCF1048S3V3^ JCF1048S05^ JCF1048S12^ Notes 1. Input current measured at nominal input voltage. ^ Available from Newark. See pages 207-208. 3 BOTTOM VIEW 16 9 14 11 0.20 (5.08) 2 22 1.25 (31.8) 23 0.60 (15.24) 0.10 (2.54) 0.18 (4.5) Mechanical Details All dimensions are in inches (mm) Pin Size: Diameter 0.02 (0.50) Tolerance: x.xx = ±0.02 (x.xxx = ±0.010) Weight: 18.4 g (0.04 lbs) 0.6 (15.24) 0.15 (3.8) 0.8 (20.3) 0.40 (10.2) PIN CONNECTION Pin Function 2 -V Input 3 -V Input 9 No Pin 11 NC 14 +V Output 16 -V Output 22 +V Input 23 +V Input Application Notes Derating Curve -3.33%/°C for 5.0 V & 12.0 V models 100 -2.86%/°C for 2.5 V & 3.3 V models Load (%) 80 60 40 20 0 -40 -20 0 10 20 30 40 50 60 Ambient Temperature (ºC) 70 80 90 100 17-Apr-07 DC-DC JCF Models and Ratings