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.
OBSOLETE PRODUCT
FEATURES
Typical unit
Last time buy: August
PRODUCT OVERVIEW
31, 2014.
Click Here For Obsolescence Notice
Using both surface-mount technology and pla-
of February 2014.
nar magnetics, these converters are manufactured
on a 2.3" x 2.4", lead-free, open-frame package
with an industry-standard pinout.
HPH converters utilize a full-bridge, fixed-
frequency topology along with synchronous output
rectification to achieve a high efficiency. This
efficiency, coupled with the open-frame package
that allows unrestricted air flow, reduces internal
component temperatures thereby allowing operation
Compliant
RoHS
to 12V outputs @ up to 70 Amps
3.3V
range: 36V-75V
Input
Frame: 2.3" x 2.4" x 0.40"
Open
Industry-standard package/pinout
Remote sense, Trim, On/Off control
efficiency: up to 91%
High
isolated, 2250Vdc (BASIC)
Fully
undervoltage shutdown
Input
Output overvoltage protection
circuit protection, thermal shutdown
Short
ed to UL/EN/IEC 60950-1, 2nd Edition,
Certifi
CAN/CSA-C22.2 No. 60950-1 safety approvals
mark
CE
Optional baseplate offers increased thermal
performance
+Vin
(4)
at elevated ambient temperatures.
These DC/DC’s provide output trim, sense pins
and primary side on/off control (available with posi-
tive or negative logic). Standard features also include
input undervoltage shutdown circuitry, output
overvoltage protection, output short-circuit and
current limiting protection and thermal shutdown.
All devices are certified 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)
PULSE
TRANSFORMER
Input undervoltage, input
overvoltage, and output
overvoltage comparators
–SENSE
(8)
PWM
CONTROLLER
OPTO
ISOLATION
REFERENCE &
ERROR AMP
Vout
TRIM
(7)
REMOTE
ON /OFF
CONTROL*
(3)
Figure 1. Simplified 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
HPH Series
Isolated, Low V
OUT
to 70A, Half-Brick DC/DC Converters
PERFORMANCE SPECIFICATIONS SUMMARY AND ORDERING GUIDE
Output
V
OUT
(Volts)
I
OUT
(Amps,
Max.)
Power
(Watts)
R/N (mV pk-pk)
Typ.
Max.
Regulation (Max.)
Line
Load
V
IN
Nom.
(Volts)
Input
Efficiency
Root Model
Range
(Volts)
I
IN
, no
load
(mA)
I
IN
, full
load
(Amps)
Min.
Typ.
Package
(Case/
Pinout)
HPH-3.3/70-D48N-C
HPH-5/40-D48N-C
HPH-12/30-D48N-C
3.3
5
12
70
40
30
231
200
360
100
100
125
125
±0.25%
±0.25%
±0.25%
±0.25%
48
48
36-75
36-75
70
70
5.35
4.58
88%
90%
90%
91%
C61
C61
P17
P17
Please refer to the separate HPH-12/30-D48 data sheet.
Please refer to the full model number structure for additional ordering part numbers and options.
All specifications are at nominal line voltage and full load, +25ºC. unless otherwise noted. See detailed specifications.
Full power continuous output requires baseplate installation. Please refer to the derating curves.
PART NUMBER STRUCTURE
HPH
-
3.3
/
70
-
D48 N B
Unipolar
High-Power Series
Nominal Output Voltage
Maximum Output Current
in Amps
H Lx
-
C
RoHS Hazardous Materials compliance
C
= RoHS-6 (no lead), standard, does not claim EU exemption 7b – lead in solder
Y
= RoHS-5 (with lead), optional, special quantity order
Pin length option
Blank
= standard pin length 0.180 in. (4.6 mm)
L1
= 0.110 in. (2.79 mm)*
L2
= 0.145 in. (3.68 mm)*
Conformal coating (optional)
Blank
= no coating, standard
H
= Coating added, optional, special quantity order
Baseplate (optional)
Blank
= No baseplate, standard
B
= Baseplate installed, optional quantity order
*Special quantity order is required;
no sample quantities available.
Note:
Some model number combinations
may not be available. Please contact
Murata Power Solutions.
Input Voltage Range:
D48 = 36-75 Volts (48V nominal)
On/Off Control Polarity
N
= Negative polarity, standard
P
= Positive polarity, optional
Note: Because of the high currents, wire the appropriate input, output and common pins in parallel. Be sure to use adequate PC board etch. If not sufficient, install additional discrete wiring.
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