Technical specifications | |
Input |
|
---|---|
Input Voltage Range |
24 V (9-36 VDC) 48 V (18-75 VDC) |
Input Current | See table in datasheet |
Input Filter | Pi network |
Input Reflected Ripple Current | 20 mA pk-pk through 12 μH inductor and 47 μF capacitor, 5 Hz to 20 MHz |
Input Surge |
24 V models: 50 VDC for 100 ms (1 second for 12 W versions) 48 V models: 100 VDC for 100 ms (1 second for 12 W versions) |
Output |
|
Output Voltage | See table in datasheet |
Minimum Load | No minimum load required |
Initial Set Accuracy | ±1.0% max for JTF15, ±1.2% for others |
Start Up Delay | 20 ms typical |
Line Regulation | ±0.2% max single, ±0.5% dual |
Load Regulation | ±0.5% max single, ±1.0% max dual |
Cross Regulation | ±5% on dual output models (When one output is set to 100% load & the other varies between 25% & 100% load.) |
Transient Response | <3% max deviation, recovery to within 1% in 250 μs for a 25% load change |
Ripple & Noise | 85 mV pk-pk, 20 MHz bandwidth for JTF08, JTF10 and JTF12, 60 mV pk-pk 20 MHz bandwidth for JTF15 (Measured with 1 iF ceramic capacitor across output rails) |
Overload Protection |
150% of full load typical for JTF08 & JTF15, 170% of full load typical for JTF10 & JTF12 |
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 |
Short Circuit Protection | Trip & restart (hiccup) with auto recovery |
Maximum Capacitive Load | See table in datasheet |
Temperature Coefficient | ±0.02/°C max |
Remote On/Off |
On: 3 to 12 VDC or open circuit Off: <1.2 VDC or short circuit pins 1, 2 & 3 |
General |
|
Efficiency | See table in datasheet |
Isolation |
1600 VDC Input to Output 1600 VDC Input to Case 1600 VDC Output to Case |
Isolation Capacitance |
2000 pF max for JTF15, 1500 pF max for others |
Switching Frequency |
330 kHz typical for JTF15, 270 kHz typical for others |
Power Density |
JTF08: 20 W/in3, JTF10: 25 w/in3, JTF12: 30 W/in3, JTF15: 37.5 w/in3 |
MTBF | >1 MHrs to MIL-HDBK-217F at 25 °C, GB |
Environmental and physical specifications |
|
Operating Temperature | -40 °C to +105 °C, derate from 100% load at +60 °C to no load at +105 °C for 10 W, 12 W and 15 W versions and from 100% load at 70 °C to no load at 105 °C for 8 W version |
Case Temperature | +105 °C max |
Storage Temperature | -40 °C to +125 °C |
Humidity | Up to 90%, non-condensing |
Cooling | Natural convection |
EMC |
|
Emissions | EN55022 class A conducted with external components |
ESD Immunity | EN61000-4-2, level 3, Perf Criteria B |
Radiated Immunity | EN61000-4-3, 10 V/m Perf Criteria A |
EFT/Burst | EN61000-4-4, level 3 Perf Criteria B (External input capacitor required, 330 μF/100 V) |
Surge | EN61000-4-5, level 2 Perf Criteria B (External input capacitor required, 330 μF/100 V) |
Conducted Immunity | EN61000-4-6, 10 Vrms Perf Criteria A (External input capacitor required, 330 μF/100 V) |
Magnetic Field | EN61000-4-8, 1 A/m Perf Criteria A |