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HPQ-3.3/50-D48PBY Datasheet(PDF) 1 Page - Murata Manufacturing Co., Ltd. |
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HPQ-3.3/50-D48PBY Datasheet(HTML) 1 Page - Murata Manufacturing Co., Ltd. |
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1 / 10 page  FEATURES 3.3 Volts DC fixed output up to 50 Amps Industry standard quarter brick 2.3" x 1.45" x 0.39 " open frame package Wide range 36 to 75 Vdc input voltages with 2250 Volt Basic isolation Double lead-free assembly and attachment for RoHS standards Up to 165 Watts total output power High efficiency synchronous rectifier topology Stable no-load operation with no required external components Operating temperature range -40 to +85° C. with no heat sink required Designed to meet UL/EN 60950-1, CSA-C22.2 No. 60950-1, safety approvals Extensive self-protection, current limiting and shut down features Unique among quarter-brick DC/DC converters, the HPQ series offers very high output current (up to 50 Amps) in an industry standard “quarter brick” package requiring no heat sink. The HPQ series delivers up to 165 Watts fixed voltage output for printed circuit board mounting. Wide range inputs on the 2.3 " x 1.45" x 0.39" converter are 36 to 75 Volts DC (48 Volts nominal), ideal for datacom and telecom systems. The fixed output voltage is regu- lated to within ±1% and may be trimmed within ±10% of nominal output. Advanced automated surface mount assembly and planar magnetics deliver full magnetic and optical isolation with Basic protection up to 2250 Volts. To power digital systems, the outputs offer fast settling to current steps and tolerance of higher capacitive loads. Excellent ripple and noise specifications assure compatibility to CPU’s, ASIC’s, programmable logic and FPGA’s. No minimum load is required. For systems needing controlled startup/ shutdown, an external remote On/Off control may use either positive or negative polarity. Remote Sense inputs compensate for resistive line drops at high currents. A wealth of self-protection features avoid prob- lems with both the converter and external circuits. These include input undervoltage lockout and overtemperature shutdown using an on-board tem- perature sensor. Excessive overcurrents limit their power using the “hiccup” autorestart technique and the outputs may be short-circuited indefinitely. Additional safety features include output overvolt- age protection and reverse conduction elimination. The synchronous rectifier topology offers high effi- ciency for minimal heat buildup and “no heat sink” operation. The HPQ series is designed to meet full safety certifications to UL/EN/IEC/CSA 60950-1 and RFI/EMI conducted/radiated emission compliance to FCC part 15 class B. PRODUCT OVERVIEW Embedded systems, datacom and telecom installations Disk farms, data centers and cellular repeater sites Remote sensor systems, dedicated controllers Instrumentation systems, R&D platforms, auto- mated test fixtures Data concentrators, voice forwarding and speech processing systems APPLICATIONS +VIN (2) (8) (3) (1) (7) –VIN OPTO ISOLATION REFERENCE & ERROR AMP PULSE TRANSFORMER INPUT UNDERVOLTAGE, INPUT OVERVOLTAGE, AND OUTPUT OVERVOLTAGE COMPARATORS REMOTE ON/OFF CONTROL +VOUT (4) −VOUT (6) VOUT TRIM +SENSE (5) −SENSE SWITCH CONTROL PWM CONTROLLER Figure 1. Simplified Schematic nverters, the rent (up to shutdown, an external remote On/Off c use either positive or negative polarity. Typical unit Typical topology is shown HPQ Series Isolated High Power Quarter Brick DC/DC Converters MDC_HPQ Series.A07 Page 1 of 10 For full details go to www.murata-ps.com/rohs www.murata-ps.com www.murata-ps.com Technical enquiries email: sales@murata-ps.com, tel: +1 508 339 3000 |
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