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
CharacteristicMinimumTypicalMaximumUnitsNotes & Conditions
Input Voltage Range9
18
36
75
VDC
VDC
24 V nominal
48 V nominal
Input CurrentSee Models and Ratings table
Inrush CurrentA
Input FilterPi type
Undervoltage LockoutOn at >9 V. Off <7.5 V
On at >18 V. Off <16.0 V
24 V models
48 V models
Input Surge50
100
VDC
VDC
24 V models for 100 ms
48 V models for 100 ms
Remote On/OffOn: Logic High (3.5-12 V) or open circuit
Off: Logic Low (<1.2 V) or short pin 1 to pin 2
Output
CharacteristicMinimumTypicalMaximumUnitsNotes & Conditions
Output Voltage5.148VSee Models and Ratings table
Initial Set Accuracy±1±2%
Minimum Load0ANo minimum load required
Start Up Delay50ms
Line Regulation±0.5%
Load Regulation1%0 – 10% load
Transient Response5% deviationRecovery to within 1% in <250 μs for a 50% load change
at 0.25 A/μs rate
Ripple & Noise100
150
200
mV pk-pk5.1 V model, 20 MHz bandwidth
12 V & 48 V models, 20 MHz bandwidth
48 V model, 20 MHz bandwidth
Short Circuit ProtectionTrip & Restart (hiccup mode), auto recovery
Overload Protection150%Trip & Restart (hiccup mode)
Overvoltage Protection120%Zener diode clamp
Temperature Coefficient0.02%/ °C
General
CharacteristicMinimumTypicalMaximumUnitsNotes & Conditions
Efficiency90%See Models and Ratings table
Isolation2500VDCFor 60 s
Isolation Resistance1000At 500 VDC
Input to Output Capacitance2200pF
Switching Frequency285kHz
Power Density2.7W/in3
Mean Time Between Failure750kHrsMIL-HDBK-217F, +25°C GB
Weight0.214 (107)lb (g)
Environmental
CharacteristicMinimumTypicalMaximumUnitsNotes & Conditions
Operating Temperature -40 +85°CSee 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/WNatural convection
100 LFM
200 LFM
400 LFM
Humidity595%RHNon-condensing
CoolingNatural convection
Shock±3 shocks in each plane, total 18 shocks of 30 g : 11 ms halfsine. Conforms to EN60068-2-27 & EN60068-2-47
Vibration10-500 Hz at 2 g sweep and endurance at resonance in all 3 planes. Conforms to EN60068-2-6
EMC: Emissions
PhenomenonStandardTest LevelNotes & Conditions
ConductedEN55022Level AWith no external components
RadiatedEN55022Level ASee application notes
EMC: Immunity
PhenomenonStandardTest LevelCriteriaNotes & Conditions
ImmunityEN55024
ESD ImmunityEN61000-4-2±4 kV Contact, ±8 kV AirA
Radiated ImmunityEN61000-4-310 V/mA
EFT/BurstEN61000-4-43A
SurgesEN61000-4-53A
Conducted ImmunityEN61000-4-610 VmA
Magnetic FieldsEN61000-4-830 A/mA

Series Table

Model NameInputOutputPower
DTE2024S5V19 to 36 VDC5.1 V / 4 A20W
DTE2024S129 to 36 VDC12 V / 1.67 A20W
DTE2024S249 to 36 VDC24 V / 0.835 A20W
DTE2024S489 to 36 VDC48 V / 0.42 A20W
DTE2048S5V118 to 75 VDC5.1 V / 4 A20W
DTE2048S1218 to 75 VDC12 V / 1.67 A20W
DTE2048S2418 to 75 VDC24 V / 0.835 A20W
DTE2048S4818 to 75 VDC48 V / 0.42 A20W