DCDC
Specification
20 Watts
• 2:1 Input Range
• 40 °C to +100 °C Operating Temperature
• Single & Dual Outputs
• Remote On/Off
•
High Efficiency up to 93%
• 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 Surge • 12 V models 36 VDC for 100 ms
24 V models 50 VDC for 100 ms
48 V models 100 VDC for 100 ms
Output
Output Voltage • See table
Output Voltage Trim • ±10% max on single outputs
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% for dual outputs (see note 2)
Setpoint Accuracy • ±1% max
Start Up Delay • <20 ms
Start Up Rise Time • <5 ms
Ripple & Noise • 75 mV pk-pk (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
±12 V models: ±15 V typical
±15 V models: ±18 V typical
Overload Protection • >140% of full load at nominal input
Short Circuit Protection • Trip & restart (hiccup mode), auto recovery
Remote On/Off • On = Logic High (>3.0 V) or Open
Off = Logic Low (<1.2 V) or short pin 2 to
pin 6
Capacitive Load • See table
xppower.com
General
Efficiency • See table
Isolation • 1600 VDC Input to Output
1600 VDC Input to Case
1600 VDC Output to Case
Isolation Capacitance • 1200 pF typical
Isolation Resistance • 10
9
Ω min
Switching Frequency • 330 kHz typical
Power Density • 25 W/in
3
MTBF • >680 kHrs minimum to MIL-HDBK-217F
at 25 °C, GB
Environmental
Operating Temperature • -40 °C to +100 °C, derate from 100% load
at +70 °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, 6 kV contact,
Perf Criteria A
Radiated Immunity • EN61000-4-3 10 V/m, Perf Criteria A
EFT/Burst • EN61000-4-4 level 3, Perf Criteria B*
Surge • EN61000-4-5 level 2, Perf Criteria B*
Conducted Immunity • EN61000-4-6 10 V/rms,Perf Criteria A
Magnetic Field • EN61000-4-8 1 A/m, Perf Criteria A
*External input capacitor required 220 µF/100 V.
