JTF Series

Component power supply
Vendor:
  • Details
  • Specification
  • 8-15 Watts
  • High Power Density
  • Wide 4:1 Input Range
  • Operating Temperature -40 °C to +105 °C
  • Single & Dual Outputs
  • Standard Remote On/Off
  • 1600 VDC Isolation
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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
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