Datasheet

PAQ Series
Up to 150W 29.8V Nom Output Quarter-Brick Isolated
DC-DC Converter with 2:1 Wide Input Range
MDC_PAQ Series.A02 Page 4 of 16
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OUTPUT
Conditions /Comments
Minimum Typical/Nominal Maximum Units
Total Output Power 0 149 150.49 W
Voltage
Nominal Output Voltage No trim 29.502 29.8 30.098 Vdc
Setting Accuracy At 50% load, no trim -1 1 % of Vnom
Output Voltage Range User-adjustable -20 10 % of Vnom.
Overvoltage Protection Via magnetic feedback 38 40 Vdc
Current
Output Current Range 055A
Current Limit Inception 98% of Vnom., after warmup 5.5 6.8 8.2 A
Short Circuit
Short Circuit Current
Hiccup technique, autorecovery within 1.25%
of Vout
1.5 2 A
Short Circuit Duration
(remove short for recovery)
Output shorted to ground, no damage;
continuous
Short circuit protection method Current limiting
Regulation
Total Accuracy: Over line, load (0-5A), and temp. 28.906 30.69 Vdc
Line Regulation Vin = min. to max., Vout = nom., Iout = nom. ±0.1 % of Vout
Load Regulation Iout = min. to max., Vin = 48V ±0.1 % of Vout
Ripple and Noise 5 Hz- 20 MHz BW 40 90 mV pk-pk
Remote Sense 10 %
Temperature Coeffi cient At all outputs ±0.02 % of Vout./°C
Maximum Capacitive Loading Low ESR, resistive load only 1 2200 F
MECHANICAL
Outline Dimensions (open frame) 2.3 x 1.45 x 0.46 Inches
(Please refer to outline drawing) 58.4 x 36.8 x 11.7 mm
Outline Dimensions (with baseplate) 2.3 x 1.45 x 0.5 Inches
58.4 x 36.8 x 12.7 mm
Weight Open frame 1.56 Ounces
43.8 Grams
With baseblate 2.13 Ounces
60.5 Grams
Through Hole Pin Diameter pins (1-4,6-8) & (5,9) 0.04 & 0.062 Inches
1.016 & 1.575 mm
Through Hole Pin Material Copper alloy
TH Pin Plating Metal and Thickness Nickel subplate 50 µ-inches
Gold overplate 5 µ-inches
ENVIRONMENTAL
Operating Ambient Temperature Range With Derating -40 85 °C
Operating Baseplate Temperature No derating, -40 100 °C
Storage Temperature Vin = Zero (no power) -55 125 °C
Thermal Protection/Shutdown 115 125 130 °C
Electromagnetic Interference External fi lter is required
Conducted, EN55022/CISPR22 Class B
RoHS rating RoHS-6
FUNCTIONAL SPECIFICATIONS, (CONT.)
Notes
Unless otherwise noted, all specifi cations apply at Vin = nominal, nominal output voltage and full
output load. General conditions are near sea level altitude, no base plate installed and natural con-
vection airfl ow unless otherwise specifi ed. All models are tested and specifi ed with external paral-
lel 1 F and 10 F output capacitors and a 22µf external input capacitor (see Technical Notes). All
capacitors are low-ESR types wired close to the converter. These capacitors are necessary for our
test equipment and may not be needed in the user’s application.
Input (back) ripple current is tested and specifi ed over 5 Hz to 20 MHz bandwidth. Input fi ltering is
Cin = 33 µF/100V, Cbus = 220µF/100V and Lbus = 12 µH.
All models are stable and regulate to specifi cation under no load.
The Remote On/Off Control is referred to -Vin.
Regulation specifi cations describe the output voltage changes as the line voltage or load current
is varied from its nominal or midpoint value to either extreme. The load step is ±25% of full load
current.