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BWR-5/3-3.3/4.25-D24ANL1-Y

Description
DC-DC Regulated Power Supply Module, 2 Output, Hybrid, PACKAGE-8
CategoryPower/power management    The power supply circuit   
File Size166KB,6 Pages
ManufacturerMurata
Websitehttps://www.murata.com
Download Datasheet Parametric View All

BWR-5/3-3.3/4.25-D24ANL1-Y Overview

DC-DC Regulated Power Supply Module, 2 Output, Hybrid, PACKAGE-8

BWR-5/3-3.3/4.25-D24ANL1-Y Parametric

Parameter NameAttribute value
Is it lead-free?Contains lead
Is it Rohs certified?incompatible
MakerMurata
Parts packaging codeMODULE
package instruction,
Contacts8
Reach Compliance Codecompliant
ECCN codeEAR99
Analog Integrated Circuits - Other TypesDC-DC REGULATED POWER SUPPLY MODULE
Maximum input voltage36 V
Minimum input voltage18 V
Nominal input voltage24 V
JESD-30 codeS-PDMA-P8
JESD-609 codee4
length50.8 mm
Maximum load regulation1%
Number of functions1
Output times2
Number of terminals8
Maximum operating temperature100 °C
Minimum operating temperature-40 °C
Maximum output voltage3.465 V
Minimum output voltage3.135 V
Nominal output voltage3.3 V
Package body materialPLASTIC/EPOXY
Package shapeSQUARE
Package formMICROELECTRONIC ASSEMBLY
Peak Reflow Temperature (Celsius)NOT SPECIFIED
Certification statusNot Qualified
surface mountNO
technologyHYBRID
Temperature levelINDUSTRIAL
Terminal surfaceGOLD
Terminal formPIN/PEG
Terminal locationDUAL
Maximum time at peak reflow temperatureNOT SPECIFIED
Fine-tuning/adjustable outputYES
width50.8 mm
LAST TIME BUY: AUGUST 31, 2014. CLICK HERE FOR OBSOLESCENCE NOTICE OF FEBRUARY 2014.
www.murata-ps.com
Dual Output BWR Models
Mixed Voltage, 5V and 3.3V, Independent Dual Output
30 Watt DC/DC Converters
NOT RECOMMENDED
FOR NEW DESIGNS
Typic
al
Typical units
c
FEATURES

Independently regulated 5V/ 3.3V outputs

@ 3A/3.3V @ 4.25A simultaneously
5V
delivered

Independent V
OUT
Trim pins for margining

Independent On/Off Control pins

efficiency; 75mV ripple/noise
88%

ranges: 10-18V, 18-36V or 36-75V
Input

1950 and EN60950-1 safety approvals
UL

isolated, 1500Vdc guaranteed
Fully

under and overvoltage shutdown
Input

Independent OVP; short circuit protection

Thermal shutdown
PRODUCT OVERVIEW
Murata Power Solutions' BWR series of DC/DC con-
verters now includes two independent converters in
one 2" x 2" package. The BWR-5/3-3.3/4.25 family
provides both 5V at 3 Amps and 3.3V at 4.25 Amps
for a combined output power of 30 Watts from input
ranges of 10V to 18V (-D12A), 18 to 36V (-D24A), or
36 to 75V (-D48A).
Each output is regulated by its own control loop
to provide ±1% load and ±0.5% line regulation.
Individual trim pins and a negative or positive
on/off control pin allow independent adjustment of
output voltages and any combination of power-on
sequencing between the 5V and 3.3V outputs. A
high efficiency of 88% allows full load operation
up to +65°C ambient temperature in a still air
environment. Although functionally indepen-
dent, both outputs are driven from synchronized
PWMs to prevent asynchronously generated beat
frequencies.
Housed in a plastic case, all models include
input Pi filtering, input overvoltage protection,
independent output short circuit and current
limiting protection and independent output
overvoltage protection as well as thermal shut-
down. These devices meet IEC950, UL1950 and
EN6950-1 safety standards. CB reports are avail-
able upon request. "D48A" models are CE marked
(meet LVD requirements).
+INPUT
(1)
+5V OUTPUT
(5)
–INPUT
(2)
5V ON/OFF
CONTROL
(3)
INPUT UNDERVOLTAGE
AND OVERVOLTAGE
COMPARATORS
PWM
CONTROLLER
SWITCH
CONTROL
+5V OUTPUT
RETURN
(6)
OPTO
ISOLATION
REFERENCE &
ERROR AMP
+5V TRIM
(7)
+3.3V TRIM
(10)
3.3V ON/OFF
CONTROL
(4)
PWM
CONTROLLER
OPTO
ISOLATION
REFERENCE &
ERROR AMP
+3.3V OUTPUT
(9)
SWITCH
CONTROL
+3.3V OUTPUT
RETURN
(8)
Typical topology is shown.
 
Figure 1. Simplified Schematic
For full details go to
www.murata-ps.com/rohs
www.murata-ps.com/support
MDC_BWR30.C01
Page 1 of 6
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