IRV300 Series
PRELIMINARY
300W 10:1 Ultra Wide Input Chassis-Mount
Isolated DC-DC Converter
Output Voltage Output Current Input Voltage Range
FEATURES
(Vdc) (A) (Vdc)
16.8V 160V steady state, with transient range
12 25.0 16.8 to 160
of 14.4V 168V for 100mS
24 12.5 16.8 to 160
54 5.5 16.8 to 160
Output voltages of 12, 24 or 54 Volts
Up to 300 Watts total output power
Ruggedized and encased chassis-mount package
Optimized for harsh environments in industrial/railway applications, the IRV300 DC-DC
7.3" x 4.6" x 1.6" (185mm x 116mm x 40mm)
converter series offer regulated outputs in a ruggedized, encased chassis-mount package.
Compliant to Railway standards EN 50155 and
EN 50121-3-2
PRODUCT OVERVIEW
High efficiency up to 92%, typical
batteries, Remote On/Off control and an Open
The IRV300 series is a 300W stand alone,
Tight Line and Load regulation
Collector DC Output Power Good Signal
system level, chassis mount isolated DC-DC
Low Ripple and Noise
including a visual LED as standard.
converter. The converter features an ultra wide
Extensive self-protection shut down features,
The IRV300 offer additional options such as
input designed to accept nominal battery voltages
including over temperature shutdown
Hold Up capability for overriding load
from 24V to 110V in a single product.
dependent input interruptions of 10mS to 20mS
Output voltage adjustable The IRV300 is ideally suited for Railway
not affecting the output and ORing FET for
applications, meeting EN50155 standard in a
Green LED Power Indicator
dual redundancy or power share incorporating
single package. The output voltage has a wide
Remote On/Off and PUL
droop voltage. The standard self protection
trim range up to +15% of Vnom, and features a
Optional ORing feature for redundant or parallel features include Overvoltage protection, Current
constant current output profile ideally suited for
operation with droop
limit/Short circuit protection, Over temperature
high inductive/capacitive loading.
protection and ensure safe and reliable power
Optional Hold-up feature They feature Programmable Undervoltage Lock-
delivery.
out (PUL) to prevent deep discharge of the input
Operating ambient temperature range -40 to
+70C (10min +85C)
SAFETY FEATURES
Protected against fire and smoke to EN 45545
(Pending)
4250Vdc input to output isolation
UL 62368-1 and IEC/EN62368-1 safety approvals
CE approved
Typical unit
RoHS compliant
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WDC_IRV300 Series.A01.D29 Page 1 of 21
IRV300 Series
PRELIMINARY
300W 10:1 Ultra Wide Input Chassis-Mount
Isolated DC-DC Converter
PERFORMANCE SPECIFICATIONS SUMMARY AND ORDERING GUIDE
Output Input
Efficiency
Package
Root Model Regulation (max.)
R/N (mV pk-pk)
Vout Iout Power Vin Nom. Range Iin, no load Iin, full
(V) (A) (W) (V) (V) (mA) load (A)
Typ. Max. Line Load Min. Typ. Case (inches)
IRV300-12W80 12 25 300 60 120 0.5% 0.5% 110 16.8-160 23 3 88.5% 92% 7.27 x 4.57 x 1.56
IRV300-24W80 24 12.5 300 190 240 0.5% 0.5% 110 16.8-160 19 3 86.0% 92% 7.27 x 4.57 x 1.56
IRV300-54W80 54 5.5 300 200 480 0.5% 0.5% 110 16.8-160 TBD TBD 86.0% 90% 7.27 x 4.57 x 1.56
Please refer to the Part Number Structure when ordering. Regulation specifications describe output voltage deviations from a
nominal/midpoint value to either extreme (50% load step).
All specifications are at 110V nominal line voltage, full load, +25C unless
Please see the Mechanical Specifications for details.
otherwise noted. See detailed specifications.
PART NUMBER STRUCTURE
IRV 300 - 12 W80 H R - C
- 12 / 4.5 Q12
IR S
Industrial Railway Version
RoHS Compliant
Output Power:
Watts (W)
ORing FET:
Blank = Without ORing FET
Nominal Output Voltage:
R = With ORing FET
Volts (Vdc)
Hold-Up:
Input Voltage Range:
Blank = Without Hold-up cap
16.8-160 Vdc
H = With Hold-up cap
Part Number Examples:
IRV300-12W80-C stands for Industrial Railway Version, 300W, 12Vout, 16.8-160Vin, including all standard features without options, RoHS Compliant.
IRV300-12W80H-C stands for Industrial Railway Version, 300W, 12Vout, 16.8-160Vin, Hold-up, RoHS Compliant.
IRV300-24W80R-C stands for Industrial Railway Version, 300W, 24Vout, 16.8-160Vin, ORing FET, RoHS Compliant.
IRV300-54W80HR-C stands for Industrial Railway Version, 300W, 54Vout, 16.8-160Vin, Hold-up, ORing FET, RoHS Compliant.
IRV300-MCK stands for Mating Connector Kit, (NOTE: The kit contains all 3 mating connectors. There is a Minimum Pack Quantity of 4 sets.)
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WDC_IRV300 Series.A01.D29 Page 2 of 21