DTE20 Series DC/DC Converters 20 W

Mechanical Details

 

 

 

 

 

 

 

 

 

 

 

1. All dimensions are in inches (mm)
2. Weight: 0.214 lbs (107 g) approx
3. Weight for -D version: 0.332 lbs (166 g) approx
4. Terminal wire size 1.5 mm2 max
5. Screw terminal torque 4.5 to 6.2 lb-in (0.5 to 0.7 Nm)
6. Case tolerance: ±0.02 (±0.5)

Specifications Table

Input
Characteristic Minimum Typical Maximum Units Notes & Conditions
Input Voltage Range 9
18
36
75
VDC
VDC
24 V nominal
48 V nominal
Input Current See Models and Ratings table
Inrush Current A
Input Filter Pi type
Undervoltage Lockout On at >9 V. Off <7.5 V
On at >18 V. Off <16.0 V
24 V models
48 V models
Input Surge 50
100
VDC
VDC
24 V models for 100 ms
48 V models for 100 ms
Remote On/Off On: Logic High (3.5-12 V) or open circuit
Off: Logic Low (<1.2 V) or short pin 1 to pin 2
Output
Characteristic Minimum Typical Maximum Units Notes & Conditions
Output Voltage 5.1 48 V See Models and Ratings table
Initial Set Accuracy ±1 ±2 %
Minimum Load 0 A No minimum load required
Start Up Delay 50 ms
Line Regulation ±0.5 %
Load Regulation 1 % 0 – 10% load
Transient Response 5 % deviation Recovery to within 1% in <250 μs for a 50% load change
at 0.25 A/μs rate
Ripple & Noise 100
150
200
mV pk-pk 5.1 V model, 20 MHz bandwidth
12 V & 48 V models, 20 MHz bandwidth
48 V model, 20 MHz bandwidth
Short Circuit Protection Trip & Restart (hiccup mode), auto recovery
Overload Protection 150 % Trip & Restart (hiccup mode)
Overvoltage Protection 120 % Zener diode clamp
Temperature Coefficient 0.02 %/ °C
General
Characteristic Minimum Typical Maximum Units Notes & Conditions
Efficiency 90 % See Models and Ratings table
Isolation 2500 VDC For 60 s
Isolation Resistance 1000 At 500 VDC
Input to Output Capacitance 2200 pF
Switching Frequency 285 kHz
Power Density 2.7 W/in3
Mean Time Between Failure 750 kHrs MIL-HDBK-217F, +25°C GB
Weight 0.214 (107) lb (g)
Environmental
Characteristic Minimum Typical Maximum Units Notes & Conditions
Operating Temperature  -40  +85 °C See derating curve
Storage Temperature  -50  +125 °C
Case Temperature  95 °C
Thermal Impendance
(Case to Ambient)
3.9
3.9
3.1
2.5
°C/W Natural convection
100 LFM
200 LFM
400 LFM
Humidity 5 95 %RH Non-condensing
Cooling Natural convection
Shock ±3 shocks in each plane, total 18 shocks of 30 g : 11 ms halfsine. Conforms to EN60068-2-27 & EN60068-2-47
Vibration 10-500 Hz at 2 g sweep and endurance at resonance in all 3 planes. Conforms to EN60068-2-6
EMC: Emissions
Phenomenon Standard Test Level Notes & Conditions
Conducted EN55022 Level A With no external components
Radiated EN55022 Level A See application notes
EMC: Immunity
Phenomenon Standard Test Level Criteria Notes & Conditions
Immunity EN55024
ESD Immunity EN61000-4-2 ±4 kV Contact, ±8 kV Air A
Radiated Immunity EN61000-4-3 10 V/m A
EFT/Burst EN61000-4-4 3 A
Surges EN61000-4-5 3 A
Conducted Immunity EN61000-4-6 10 Vm A
Magnetic Fields EN61000-4-8 30 A/m A

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