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