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January 15, 2024

150 Watt 5V 30A Output Fully Isolated DC/DC Converter half-brick with 48VDC (36V-75V) input

5 volt 30 amp brick module dc-dc converter with 48 volt input48V in 5V out mounted on circuit board
Optional circuit board available below.
48V input DC/DC converters
More 48 Volt input DC/DC converters

Click here for a larger view of the DC/DC converter drawing
Pin Single Output
1 - DC In
2 Case
3 on/off
4 +DC In
5 - Ground
6 - sense
7 Trim
8 + Sense
9 +5V out

This DC converter uses state of the art technology to cram 150 watts of 5V goodness into a half-brick size. These are made by a tier-1 manufacturer, are extremely reliable, and we are selling them at 2/3 of the Digikey price. These DC/DC bricks are usually long lead-time items, but we have these in stock for immediate delivery..

SV48-5-150-1 DC to DC 150 watt converter with a wide input voltage range, 36VDC-75VDC. This makes it useful for creating 5V at up to 30 amps in 24V and 28V systems.
Quantity 1-50 50-99 100-499 500-999 1000+
Price SV48-5-150-1
48V input 5V output brick module
$70.00 $65.00 $61.00 $58.30
Price DMW-board
PC board for mounting 48V to 5V converter
Ready-made PC board for mounting the DMW7S-05
Price SV48-5-150-1 complete
Consists of the SV28-5-175-1 mounted on circuit board DMW-board including connectors
complete board and DC converter
Isolated DC converter brick module.
SV48-5-150-1 48V to 5V, 150W DC-DC converter
Input Range +36VDC to +75VDC
Input Current Maximum 6.5A
Output Voltage 5VDC
Output Current 0.5 to 30 Amps (all functions work perfectly lower than 0.5A output, but the ripple may exceed 150 mV peak to peak)
Output Power 175 Watts
Voltage set point accuracy ±1%
Line Regulation ±0.1%
Load Regulation ±0.2%
Ripple and noise 150mVp-p
Input ripple rejection 60 dB at 120 Hz
Total regulation <1.5% over all load, line, and temperature variations
Efficiency 82% typical
Remote Sense 4-Wire configuration, shared with the trim function
Remote On-Off terminal polarity VIN Negative (turns ON when pin 3 is shorted to pin 5)
Dynamic Regulation 50% load step 3%
  Settling time 300 µSec
Output voltage trim range 3VDC to 5.5VDC
Short circuit protection Continuous
Over current protection Continuous, 170% of full load threshold
Over voltage protection Continuous, 5.7 to 7.0 VDC trip range
Turn-on time < 35mS
Switching Frequency 370 kHz Constant Frequency
Temperature Coefficient ±0.07% /°C max
Temperature range -40°C to 100°C operating (baseplate)
Input overvoltage tolerance To 80VDC without damage, and 100 volts for 100 mSec max
Isolation 1500 VDC input to case
Isolation 500 VDC output to case
Isolation 1500 VDC input to output
Isolation capacitance 2000 pF typical
Input to output resistance >10 MOhms
Storage Temperature -40°C to +110°C storage
Soldering Temperature 260°C for wave soldering
Soldering Temperature 390°C for hand soldering
Over Temperature Cut-off 105°C
Mean time before failure MTBF 1.8 million hours
Thermal resistance 6.6°C/Watt with the case at 100°C
Size 2.3x2.4x0.5 inches, 58x61x11.9 mm, standard half-brick size
Weight 4.2 oz, 118 grams
Encapsulation Fully encapsulated
Humidity <95%, non condensing
Vibration 5G, 3 axis, 5 minutes each
Agency Approval UL component (RU mark), CSA, TUV, CE Compliant
Full Data Sheet Full Data Sheet for the SV48-5-150-1

Application Notes:

Remote sense and trim functions
To use the remote sense, connect the "Sense +" and "Sense -" pins to wires that go to the load and don't carry any current. This lets the DC converter stabilize the voltage at the load, compensating for voltage loss in the wires that carry current.
In other words, without using the "Sense" terminals the voltage will be stabilized at the converter output terminals. As the current flows through wires, connectors, and contacts then resistance of these elements will cause a voltage drop due to Ohm's law. If you run an extra set of wires from the sense terminals to the load that don't carry current, then these can be used to sense the actual voltage at the load and the converter will boost its voltage to compensate for this voltage drop (over a limited range, ±0.5 Volts.)

The sense terminals can also be used to trim the voltage with fixed resistors or a pot as follows:
How to arrange the trimpot.
Schematic of how to trim the output voltage.

NOTE! these faceplate temperatures are definitely in the "burn your fingers" category and care should be taken to prevent human contact.

Warning, the hot surface
FREE Proteus files and Gerber files for a circuit board to fit this DC converter brick


circuit board to mount the DMW75S-05

Printed circuit board dimensions are 107mm x 76mm (4.2 x 3.0 inches)
Complete circuit board assembly
The fully populated board dimensions are 107mm x 76mm x 23mm (4.2 x 3.0 x .9 inches). It includes connectors for Vin and Vout as well as inhibit and Sense terminals. The board mounting holes are 3.6 mm (0.143 inch) in diameter 64mm x 95mm center to center spacing.

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