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HPQ-3.3/50-D48 Series
Isolated High Power Quarter Brick DC-DC Converters
Output
Minimum Loading
Maximum Output Power
Accuracy (50% load)
Overvoltage Protection (Note 7)
Temperature Coef?cient
Ripple/Noise (20 MHz bandwidth)
Line/Load Regulation (See Tech. Notes)
Ef?ciency
Remote Sense Compensation
Maximum Capacitive Loading, low ESR
Current Limit Inception (98% of Vout setting)
Short Circuit Mode (Notes 6, 12)
Short Circuit Current Output
Protection Method
Short Circuit Duration
Isolation
Isolation Voltage
Input to Output
Input to Baseplate
Baseplate to Output
Isolation Resistance
Isolation Capacitance
Isolation Safety Rating
Dynamic Characteristics
Dynamic Load Response (see note 1)
Turn-On Time
Remote On/Off Time
Switching Frequency
Environmental
Calculated MTBF (Note 4)
Operating Temperature Range (no baseplate)
Maximum Baseplate Operating Temperature
Storage Temperature Range
Thermal Protection/Shutdown
(Case temp. is measured in the center)
Relative Humidity
Physical
Outline Dimensions
Weight (without baseplate)
Electromagnetic Interference
(may require external ?lter)
Safety
No minimum load
166.6 Watts
±1 % of Vsetting. See note 16.
4 Volts
±0.02% per ° C. of Vout range
See Ordering Guide and note 8.
See Ordering Guide and note 10.
See Ordering Guide
+10% max. deviation from output
10,000 μF max. See note 11.
59 Amps (after warm up) See note 12.
5 Amps
Hiccup autorecovery upon overload removal. (See note 12)
Continuous, no damage (output shorted to ground)
2250 Vdc min.
1500 Vdc min.
1500 Vdc min.
10 Megohms
1000 pF
Basic insulation
200 μSec to within ±1% of ?nal value. (50-75-50% load step)
10 mSec for Vout regulated
10 mSec for Vout regulated
400 ±40 KHz
TBC
-40 to +85 ° C (with derating)
+100 ° C
-55 to +125 ° C
+115 ° C
85%/+85 ° C
See Mechanical Speci?cations
1.06 ounces (30 grams)
Meets EN55022, CISPR22, Class B,
conducted and radiated
Meets UL/cUL 60950-1
CSA-C22.2 No. 60950-1
IEC/EN 60950-1, 2nd Edition
www.murata-ps.com/support
MDC_HPQ-3.3/50-D48 Series.B01 Page 4 of 11
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