DCDC
Specification
40 Watts
• 4:1 Input Range
• High Power Density
• Single and Dual Outputs
• High Efficiency Up to 92%
•
Remote On/Off
• 1600 VDC Isolation
• 3 Year Warranty
JTL Series
Input
Input Voltage Range • 24 V (9-36 VDC), 48 V (18-75 VDC)
Input Current • See table
Input Reflected • 20 mA pk-pk through 12 µH inductor
Ripple Current
Input Reverse • None
Voltage Protection
Undervoltage Lockout • 24 V models: ON 8.6 V, OFF 7.9 V typical
48 V models: ON 17.8 V, OFF 16 V typical
Input Filter • Pi network
Input Surge • 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%
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%
Start Up Time • 25 ms typical
Ripple & Noise • 50 mV pk-pk max for 3.3 V & 5 V models,
75 mV pk-pk max for other single output
models, 150 mV pk-pk max for dual output
models, 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
±12 V models: ±15 V typical
±15 V models: ±18 V typical
Overload Protection • >130% of full load
Short Circuit Protection • Trip & restart (Hiccup mode), auto recovery
Remote On/Off • On = Logic High (>3.0) or Open
Off = Logic Low (<1.2 V) or short pin 2 to 3
Max 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 • 2500 pF max
Switching Frequency • 270 kHz, typical
Power Density • 25 W/in
3
MTBF • 150 kHrs min to MIL-HDBK-217F
at 25 °C, GB
Environmental
Operating Temperature • -40 °C to +85 °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 & Safety
Emissions • EN55022, class A conducted and
radiated with external components
ESD Immunity • EN61000-4-2, level 3, Perf Criteria A
EFT/Burst • EN61000-4-4, level 3, Perf Criteria A
(see note 4)
Surge • EN61000-4-5, installation class 2,
Perf Criteria A (see note 4)
Conducted Immunity • EN61000-4-6, 3 Vrms, Perf Criteria A
Magnetic Fields • EN61000-4-8, 1 A/m, Perf Criteria A
