DC-DC Converter
DTE20 Series
Input
ditions
Characteristic
Minimum
Typical
Maximum
Units
VDC
VDC
Notes & Con
24 V nominal
48 V nominal
9
36
75
Input Voltage Range
18
See Models and Ratings table
Input Current
Inrush Current
Input Filter
A
Pi type
On at >9 V. Off <7.5 V
On at >18 V. Off <16.0 V
24 V models
Undervoltage Lockout
Input Surge
48 V models
24 V models for 100 ms
48 V models for 100 ms
50
100
VDC
VDC
On: Logic High (3.5-12 V) or open circuit
Remote On/Off
Off: Logic Low (<1.2 V) or short pin 1 to pin 2
Output
Characteristic
Output Voltage
Initial Set Accuracy
Minimum Load
Start Up Delay
Line Regulation
Load Regulation
Minimum
Typical
Maximum
Units
V
Notes & Conditions
5.1
48
2
See Models and Ratings table
1
%
0
A
No minimum load required
50
0.5
1
ms
%
%
0 - 10% load
Recovery to within 1% in <250 µs for a 50% load change
at 0.25 A/µs rate
Transient Response
5
% deviation
100
150
200
5.1 V model, 20 MHz bandwidth
12 V & 48 V models, 20 MHz bandwidth
48 V model, 20 MHz bandwidth
Ripple & Noise
mV pk-pk
Short Circuit Protection
Overload Protection
Trip & Restart (hiccup mode), auto recovery
Trip & Restart (hiccup mode)
Zener diode clamp
150
120
%
%
Overvoltage Protection
Temperature Coefficient
0.02
%/˚C
General
Characteristic
Minimum
Typical
Maximum
Units
%
Notes & Conditions
See Models and Ratings table
For 60 s
Efficiency
90
Isolation
2500
1000
VDC
MΩ
pF
Isolation Resistance
Input to Output Capacitance
Switching Frequency
Power Density
At 500 VDC
2200
285
kHz
3
2.7
W/in
Mean Time Between Failure
Weight
750
kHrs
lb (g)
MIL-HDBK-217F, +25 °C GB
0.214 (107)
Environmental
Characteristic
Minimum
-40
Typical
Maximum
+85
Units
°C
Notes & Conditions
Operating Temperature
Storage Temperature
Case Temperature
See derating curve
-50
+125
95
°C
°C
3.9
3.9
3.1
2.5
5
Natural convection
100 LFM
Thermal Impendance
(Case to Ambient)
°C/W
%RH
200 LFM
400 LFM
Humidity
Cooling
Shock
95
Non-condensing
Natural convection
3 shocks in each plane, total 18 shocks of 30 g : 11 ms halfsine. Conforms to EN60068-2-27 & EN60068-2-47
10-500 Hz at 2 g sweep and endurance at resonance in all 3 planes. Conforms to EN60068-2-6
Vibration
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