Datasheet
UWE-100-120W Series
Wide Input, Isolated Eighth-Brick DC-DC Converters
MDC_UWE-100-120W.C02 Page 9 of 34
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OUTPUT
Total Output Power 0 100 101 W
Voltage
Nominal Output Voltage No trim 4.95 5 5.05 Vdc
Settling Accuracy At 50% load -1 1 % of Vset.
Output Voltage Range User-adjustable (see trim formulas) -10 10 % of Vnom.
Overvoltage Protection Via magnetic feedback 6.5 7 Vdc
Current
Output Current Range 02020A
Minimum Load No minimum load
Current Limit Inception 98% of Vnom., after warmup 23 27 32 A
Short Circuit
Short Circuit Current
Hiccup technique, autorecovery
within ±1% of Vout
1.5 2.5 A
Short Circuit Duration
(remove short for recovery)
Output shorted to ground, no damage Continuous
Short circuit protection method Hiccup current limiting
Regulation
Line Regulation Vin=min. to max., Vout=nom., nom load ±0.1 % of Vout
Load Regulation Iout=min. to max ±0.2 % of Vout
Ripple and Noise ➁
5 Hz- 20 MHz BW 75 110 mV pk-pk
Temperature Coeffi cient At all outputs 0.02 % of Vout./°C
Maximum Capacitive Loading Low ESR 0 10,000 F
MECHANICAL (THROUGH HOLE MODELS)
Outline Dimensions 2.3x.9x.39 Inches
(Please refer to outline drawing) LxWxH 58.42x22.86x9.91 mm
Weight (without baseplate) 0.7 Ounces
20 Grams
Weight (with baseplate) 12.9 Ounces
36.5 Grams
Through Hole Pin Diameter Diameter of pins standard 0.062 & 0.04 Inches
1.575 & 1.016 mm
Through Hole Pin Material Copper alloy
TH Pin Plating Metal and Thickness Nickel subplate 50 µ-inches
Gold overplate 5 µ-inches
Baseplate Material Aluminum
ENVIRONMENTAL
Operating Ambient Temperature Range See derating -40 85 °C
Storage Temperature Vin = Zero (no power) -55 125 °C
Operating Base Plate Temp No derating required -40 105
Thermal Protection/Shutdown Measured at hotspot 135 140 150 °C
Electromagnetic Interference External fi lter is required
Conducted, EN55022/CISPR22 B Class
Radiated, EN55022/CISPR22 B Class
RoHS rating RoHS-6
FUNCTIONAL SPECIFICATIONS, UWE-5/20-Q48-C (CONT.)
Notes
➀ Unless otherwise noted, all specifi cations are at nominal input voltage, nominal output voltage and
full load.
General conditions are +25˚ Celsius ambient temperature, near sea level altitude, airfl ow of
300lfm for extended operation time.
All models are tested and specifi ed with external parallel 1 µF and 10 µF output capacitors.
A 33µF external input capacitor is used. All capacitors are low-ESR types wired close to the con-
verter. These capacitors are necessary for our test equipment and may not be needed in the user’s
application.
➁ Input (back) ripple current is tested and specifi ed over 5 Hz to 20 MHz bandwidth. Input fi ltering is
Cbus=220 µF, Cin=33 µF and Lbus=12 µH.
➂ All models are stable and regulate to specifi cation under no load.
➃ The Remote On/Off Control is referred to -Vin. For external transistor control, use open collector
logic or equivalent.
➄ NOTICE—Please use only this customer data sheet as product documentation when laying out your
printed circuit boards and applying this product into your application. Do NOT use other materials as
offi cial documentation such as advertisements, product announcements, or website graphics.
We strive to have all technical data in this customer data sheet highly accurate and complete. This cus-
tomer data sheet is revision-controlled and dated. The latest customer data sheet revision is normally
on our website (www.murata-ps.com) for products which are fully released to Manufacturing. Please be
especially careful using any data sheets labeled “Preliminary” since data may change without notice.
Please be aware of small details that may affect your application and PC board layouts. Study the
Mechanical Outline drawings, Input/Output Connection table and all footnotes very carefully. Please
contact Murata Power Solutions if you have any questions.
➅ If reverse polarity is accidentally applied to the input, to ensure reverse input protection, always
connect an external input fuse in series with the +V
IN input. Use approximately twice the full input
current rating with nominal input voltage.