DC-DC
20 Watts
JTM20 Series
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4:1 Input Range
xppower.com
-40 °C to +100 °C Operating Temperature
Single & Dual Outputs
Overvoltage & Overcurrent Protection
High Efficiency - Up to 91%
Standard Remote On/Off
1600 VDC Isolation
Specification
Input
Input Voltage Range
Input Current
Undervoltage Lockout
Input Surge
• 24 V (9-36 VDC)
48 V (18-75 VDC)
• See table
• 24 V models: ON 8.6 V, OFF 7.9 V typical
48 V models: ON 17.8 V, OFF 16 V typical
• 24 V models 50 VDC for 100 ms
48 V models 100 VDC for 100 ms
General
Efficiency
Isolation
• See table
• 1600 VDC Input to Output
1600 VDC Input to Case
1600 VDC Output to Case
• 330 kHz typical
• 560 kHrs min per MIL-HDBK-217F
Switching Frequency
MTBF
Environmental
Output
Output Voltage
Output Voltage Trim
Voltage Balance
Minimum Load
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See table
±10%
±1% max dual models, balanced load
No minimum load required for single
output models, 10% required for dual
output models
±0.5% max
Single output models: ±0.5% max
Dual output models: ±1% max
balanced outputs
±5% for dual outputs, see note 2
±1%
20 ms typical
Single output models: 75 mV pk-pk
Dual output models: 75 mV pk-pk
at 20 MHz BW, see note 3
3% max deviation, recovery to within
1% in <250 µs for a 25% load change
0.02%/°C
Operating Temperature
Case Temperature
Cooling
Operating Humidity
Storage Temperature
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-40 °C to +105 °C, see derating curve
+105 °C max
Convection-cooled
5-95% RH, non-condensing
-40 °C to +125 °C
EMC & Safety
Emissions
• EN55022, class A conducted & radiated
with external components - see
application notes
• EN61000-4-2, level 2 Perf Criteria B
• EN61000-4-3 10 V/rms, Perf Criteria A
• EN61000-4-4 level 3, Perf Criteria B*
• EN61000-4-5 level 2, Perf Criteria B*
• EN61000-4-6 10 V/m,Perf Criteria A
• EN61000-4-8 1 A/m, Perf Criteria A
• EN60950-1, IEC60950-1
Line Regulation
Load Regulation
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Cross Regulation
Setpoint Accuracy
Start Up Time
Ripple & Noise
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Transient Response
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ESD Immunity
Radiated Immunity
EFT/Burst
Surge
Conducted Immunity
Magnetic Field
Safety Approvals
*See note 4.
Temperature
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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
• >120%
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 6
see note 5
XPPOWER [ XP POWER LIMITED ]
