Datasheet

ManualsBrandsMURATA POWER SOLUTIONS ManualsPSU ComponentsDC/DC converter (print) 12 V 4.5 A 54 W No. of outputs: 1 x

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UWS Series

Sixteenth-brick DOSA-Compatible,

Wide Input Isolated DC-DC Converters

MDC_UWS Series.D03 Page 13 of 25

OUTPUT

Conditions ➀

Minimum Typical/Nominal Maximum Units

Total Output Power See Derating 0.0 54.0 54.54 W

Voltage

Nominal Output Voltage No trim 11.88 12.00 12.12 Vdc

Setting Accuracy At 50% load ±1 % of Vnom.

Output Voltage Range User-adjustable -20 10 % of Vnom.

Overvoltage Protection Via magnetic feedback 13.3 15.3 18 Vdc

Current

Output Current Range Vin=18V-36V 0.0 3.5 A

Output Current Range Vin=36V-75V 0.0 4.5 A

Minimum Load No minimum load

Current Limit Inception 98% of Vnom., after warmup 5.05 6.4 7.4 A

Short Circuit

Short Circuit Current

Hiccup technique, autorecovery within ±1.25%

of Vout

0.6 A

Short Circuit Duration (remove short for

recovery)

Output shorted to ground, no damage Continuous

Short circuit protection method Current limiting

Regulation

➆

Line Regulation Vin=min. to max., Vout=nom., full load ±0.125 %

Load Regulation Iout=min. to max., Vin=48V ±0.125 %

Ripple and Noise with a 1uF || 10uF output caps 115 150 mV pk-pk

Temperature Coefﬁ cient At all outputs ±0.02 % of Vnom./°C

Maximum Capacitive Load Constant resistance mode, low ESR 0 2200 F

MECHANICAL

Outline Dimensions Cxx case 1.30x0.90x0.36 Inches

(Please refer to outline drawing) LxWxH 33.02x22.9x9.14 mm

Weight 0.48 Ounces

13.6 Grams

Through Hole Pin Diameter 0.04 & 0.060 Inches

1.016 & 1.524 mm

Through Hole Pin Material Copper alloy

TH Pin Plating Metal and Thickness Nickel subplate 50 µ-inches

Gold overplate 5 µ-inches

EMI/RFI Shielding None

ENVIRONMENTAL

Operating Ambient Temperature Range No derating, full power, natural convection -40 85 °C

Operating Case Temperature Range No derating, full power, natural convection -40 105 °C

Storage Temperature Vin = Zero (no power) -55 125 °C

Thermal Protection/Shutdown Measured in center 115 125 130 °C

Electromagnetic Interference External ﬁ lter is required

Conducted, EN55022/CISPR22 B Class

RoHS rating ➃

RoHS-6

FUNCTIONAL SPECIFICATIONS, UWS-12/4.5-Q48 (CONT.)