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HPH Series
OBSOLETE PRODUCT
Isolated, Low V OUT to 70A, Half-Brick DC/DC Converters
Murata Power Solutions’ fully isolated HPH series of DC/DC converters affords users a practical solu-
tion for their low-voltage/high-current applications. With an input voltage range of 36 to 75 Volts, the HPH
Series delivers up to 70 Amps of output current from a fully regulated 3.3V output.
Click Here For Obsolescence Notice of February 2014. technology and pla-
31, 2014.
Last time buy: August PRODUCT OVERVIEW
Using both surface-mount
nar magnetics, these converters are manufactured
at elevated ambient temperatures.
These DC/DC’s provide output trim, sense pins
FEATURES
Typical unit
on a 2.3" x 2.4", lead-free, open-frame package
with an industry-standard pinout.
and primary side on/off control (available with posi-
tive or negative logic). Standard features also include
?? RoHS Compliant
?? 3.3V to 12V outputs @ up to 70 Amps
?? Input range: 36V-75V
?? Open Frame: 2.3" x 2.4" x 0.40"
?? Industry-standard package/pinout
?? Remote sense, Trim, On/Off control
?? High ef?ciency: up to 91%
?? Fully isolated, 2250Vdc (BASIC)
?? Input undervoltage shutdown
?? Output overvoltage protection
Certi
?? Short circuit protection, thermal shutdown
?? ?ed to UL/EN/IEC 60950-1, 2nd Edition,
CAN/CSA-C22.2 No. 60950-1 safety approvals
CE
?? mark
?? Optional baseplate offers increased thermal
performance
+Vin
(4)
HPH converters utilize a full-bridge, ?xed-
frequency topology along with synchronous output
recti?cation to achieve a high ef?ciency. This
ef?ciency, coupled with the open-frame package
that allows unrestricted air ?ow, reduces internal
component temperatures thereby allowing operation
input undervoltage shutdown circuitry, output
overvoltage protection, output short-circuit and
current limiting protection and thermal shutdown.
All devices are certi?ed to IEC/UL/EN60950-1, 2nd
Edition safety standards and carry the CE mark
(meet LVD requirements).
+SENSE
(6)
+Vout
(5)
SWITCH
CONTROL
–Vout
(9)
–Vin
(1)
–SENSE
PULSE
TRANSFORMER
Input undervoltage, input
overvoltage, and output
overvoltage comparators
(8)
PWM
CONTROLLER
OPTO
ISOLATION
REFERENCE &
ERROR AMP
Vout
TRIM
(7)
REMOTE
ON /OFF
CONTROL*
(3)
Figure 1. Simpli?ed Schematic
Typical topology is shown. Some models may vary slightly.
* Can be ordered with positive (standard) or negative (optional) polarity.
For full details go to
www.murata-ps.com/rohs
www.murata-ps.com/support
MDC_HPH_B01 Page 1 of 13
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