DC-DC 3 Watts xppower.com JTB03 Series • 4:1 Input Range • DIP-24 Metal Package • Operating Temperature -25 °C to +100 °C • Input Pi Filter • Fully Regulated Single & Dual Outputs • Optional 1500 VDC Isolation • Continuous Short Circuit Protection Specification Input Input Voltage Range Input Current Input Filter General • 24 V (9-36 VDC) 48 V (18-72 VDC) • See table • Pi network Output Output Voltage Output Voltage Balance Intial Set Accuracy Start Up Delay Start Up Rise Time Line Regulation Load Regulation • • • • • • • Cross Regulation Transient Response • • Ripple & Noise • Overcurrent Protection Short Circuit Protection Maximum Capacitive Load Temperature Coefficient • • • See table ±1% max, dual output models ±2% max 90 ms max 35 ms typical ±0.5% max (high line to low line) ±0.5% max single output models, ±1.0% max for dual output models 2.2% on dual output models <1.5% max deviation, recovery to within 1% in 200 µs for a 50% load change 100 mV or 1% pk-pk, whichever is greater, 20 MHz BW >170% fold back at normal input voltage Continuous with auto recovery 30,000 µF • ±0.05/°C max Efficiency Isolation Switching Frequency MTBF • See table • 500 VDC Input to Output (1000 MΩ/80 pF) Optional high isolation version, 1500 VDC Input to Output, add suffix ‘-H’ to model number • Variable 100-700 kHz • 1,000 kHrs to MIL-HDBK-217F Environmental Operating Temperature Case Temperature Storage Temperature Shock Vibration • • • • -25 °C to +100 °C (see derating curve) +100 °C max -40 °C to +100 °C 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 - see application note • 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(1) Output Voltage 3.3 VDC 5.0 VDC 12.0 VDC 15.0 VDC ±5.0 VDC ±12.0 VDC ±15.0 VDC 3.3 VDC 5.0 VDC 12.0 VDC 15.0 VDC ±5.0 VDC ±12.0 VDC ±15.0 VDC 9-36 VDC 18-72 VDC Output Current 600 mA 600 mA 250 mA 200 mA ±300 mA ±125 mA ±100 mA 600 mA 600 mA 250 mA 200 mA ±300 mA ±125 mA ±100 mA Input Current(3) No Load Full Load 15.0 mA 117 mA 15.0 mA 174 mA 15.0 mA 165 mA 15.0 mA 165 mA 25.0 mA 179 mA 25.0 mA 174 mA 25.0 mA 174 mA 7.5 mA 58 mA 7.5 mA 87 mA 7.5 mA 81 mA 7.5 mA 81 mA 12.0 mA 88 mA 12.0 mA 87 mA 12.0 mA 87 mA Model Number(2, 4) JTB0324S3V3 JTB0324S05 JTB0324S12 JTB0324S15 JTB0324D05 JTB0324D12 JTB0324D15 JTB0348S3V3 JTB0348S05 JTB0348S12 JTB0348S15 JTB0348D05 JTB0348D12 JTB0348D15 Efficiency 70% 72% 76% 76% 70% 72% 72% 70% 72% 77% 77% 72% 72% 70% Notes 1. 2. 3. 4. Nominal input voltage 24 or 48 VDC. For optional 1500 VDC isolation add suffix ‘-H’ to model number. Input current is at nominal input voltage. Surface mount versions with plastic case available in OEM quantities. Mechanical Details All dimensions are in inches (mm) Weight: 0.04 lbs (20 g) approx. 0.08 (2.0) 0.02 (0.5) 24 23 22 1 2 3 1.25 (31.8) 0.10 (2.5) BOTTOM VIEW 16 15 14 13 0.15 (3.8) 0.5 (10.2) Max Pin 1 2 3 9 10 11 12 13 14 15 16 22 23 24 9 10 11 12 0.60 (15.2) 0.80 (20.3) PIN CONNECTIONS Single Output Dual Output +V input +V input N/C -V output N/C Common No pin No pin -V output Common +V output +V output -V input -V input -V input -V input +V output +V output -V output Common No pin No pin N/C Common N/C -V output +V input +V input OPTION ‘-H’ PIN CONNECTIONS Pin Single Output Dual Output 1 No pin No pin 2 -V input -V input 3 -V input -V input 9 N/C Common 10 N/C N/C 11 N/C -V output 12 No pin No pin 13 No pin No pin 14 +V output +V output 15 N/C N/C 16 -V output Common 22 +V input +V input 23 +V input +V input 24 No pin No pin Application Notes Derating Curve Input Filter L C1 Load (%) 80 +Vo +Vin 100 C2 60 -Vin -Vo C3 40 20 0 -20 -10 0 10 20 30 40 50 60 Ambient Temperature (ºC) 70 80 90 100 Model C1 JTB0324 Class A Not fitted Class B 47 µF/ 50 V JTB0348 Class A Not fitted Class B 22 µF/ 100 V C2 L C3 47 µF/ 50 V 47 µF/ 50 V Short 5 µH Not fitted 1000 pF 47 µF/ 100 V 22 µF/ 100 V Short 5 µH Not fitted Not fitted 08-Jan-08 DC-DC JTB03 Series Models and Ratings