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30 Watts
JCK Series
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2:1 Input Range
Operating Temperature ꢀ40 °C to +75 °C
Single and Dual Outputs
High Efficiency ꢀ Up to 92%
Remote On/Off
1600 VDC Isolation
3 Year Warranty
Specification
Input
General
Input Voltage Range
• 12 V (9-18 VDC),
24 V (18-36 VDC),
48 V (36-75 VDC)
Efficiency
Isolation
• See table
• 1600 VDC Input to Output
1600 VDC Input to Case
1600 VDC Output to Case
Input Current
• See table
Undervoltage Lockout • 12 V models: ON 8.6 V, OFF 7.9 V typical
24 V models: ON 17.8 V, OFF 16 V typical
48 V models: ON 33.5 V, OFF 30.5 V typical
Input Reflected Ripple • 20 mA pk-pk through 12 uH inductor
Isolation Capacitance • 1500 pF typical
Switching Frequency
Power Density
MTBF
• 330 kHz typical
• 37.5 W/in
• 430 kHrs min to MIL-HDBK-217F
at 25 ˚C, GB
3
Current
Input Surge
• 12 V models 25 VDC for 100 ms
24 V models 50 VDC for 100 ms
48 V models 100 VDC for 100 ms
• Pi network
Environmental
Input Filter
Operating Temperature • -40 °C to 75 °C, see derating curve
Case Temperature
Cooling
• +105 ˚C max
• Convection-cooled
• 5-95ꢀ RH, non-condensing
Output
Operating Humidity
Output Voltage
Output Voltage Trim
Start Up Delay
• See table
Storage Temperature • -40 ˚C to +125 ˚C
•
10ꢀ on single outputs models only
• 30 ms max
EMC
Minimum Load
Line Regulation
Load Regulation
• No minimum load required
•
0.5ꢀ max
Emissions
• EN55022 level A conducted & radiated
with external components, see application
notes
• Single output models: 0.5ꢀ max
Dual output models: 1ꢀ max
balanced outputs
ESD Immunity
EFT/Burst
Surge
• EN61000-4-2, level 3, Perf Criteria A
• EN61000-4-4, level 3, Perf Criteria A
(4)
Cross Regulation
Setpoint Accuracy
Ripple & Noise
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•
5ꢀ (see note 2)
1ꢀ
• EN61000-4-5, installation class 3,
(4)
• 100 mV pk-pk,
20 MHz bandwidth (see note 3)
• 3ꢀ max deviation, recovery to within
1ꢀ in <250 µs for a 25ꢀ load change
Perf Criteria A
Conducted Immunity
Magnetic Field
• EN61000-4-6, 10 Vrms, Perf Criteria A
• EN61000-4-8, 1 A/m, Perf Criteria A
Transient Response
Temperature
Coefficient
• 0.02ꢀ/˚C
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
Overload Protection
• >150ꢀ of full load
Short Circuit Protection • Trip & restart (Hiccup mode),
auto recovery
Remote On/Off
Maximum Capacitive
Load
• See application notes
• See table