Specification

15 Watts

•

4:1 Input Range

•

1500 VDC Isolation

•

Efficiency up to 86%

•

-40 °C to +100 °C Operating Temperature

•

Optional Remote On/Off

•

Single & Dual Outputs

•

Continuous Short Circuit Protection

JTH Series

Input

Input Voltage Range

• 24 V (9-36 VDC)

48 V (18-72 VDC)

Input Current

• See table

Input Filter

• Pi network

Input Reflected Ripple

• 35 mA rms through 12 µH inductor,

5 Hz to 20 MHz

Input Surge

• 24 V models 50 VDC for 100 ms

48 V models 100 VDC for 100 ms

Output

Output Voltage

• See table

Voltage Balance

• ±1%

Minimum Load

• No minimum load required

Line Regulation

• ±0.5%

Load Regulation

• ±0.5% 10-100% load,

±1.0% below 10% load

Setpoint Accuracy

• ±1%

Start Up Rise Time

• <20 ms

Start Up Delay

• <10 ms

Ripple & Noise

• 75 mV pk-pk 20 MHz BW

Transient Response

• 3% max deviation, recovery to within

1% in 200 µs for 25% load change

Temperature

• 0.02%/°C

Coefficient

Overcurrent Protection • 140% typical of full load at nominal input

Short Circuit Protection • Trip & restart (Hiccup mode), auto recovery

Remote On/Off

• Optional - see Application Note.

On = +2.5 to +5.5 VDC or Open circuit

Off = -0.7 to +0.8 VDC or short circuit

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General

Efficiency

• See table

Isolation

• 1500 VDC Input to Output

1000 VDC Input to Case

1000 VDC Output to Case

Isolation Capacitance

• 1200 pF typical

Switching Frequency

• 300 kHz typical

MTBF

• >1.2 MHrs to MIL-STD-217F

Environmental

Operating Temperature • -40 °C to +100 °C, derate from 100% load

at +60 °C to 0% load at +100 °C

Case Temperature

• 100 °C max

Cooling

• Convection-cooled

Operating Humidity

• Up to 95% RH, non-condensing

Storage Temperature

• -40 °C to +125 °C

EMC

Emissions

• EN55022 Class A conducted & radiated

with external components, see

application note.

ESD Immunity

• EN61000-4-2,

8 kV air discharge Perf Criteria A,

4 kV contact discharge Perf Criteria A

Radiated Immunity

• EN61000-4-3, Level 2 3 V/m

Perf Criteria A

EFT/Burst

• EN61000-4-4, Level 1 Perf Criteria B

Conducted Immunity

• EN61000-4-6, 3 V Perf Criteria A

Magnetic Field

• EN61000-4-8, 1 A/m Perf Criteria A