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BST-12/125-D48-C

Description
Isolated DC/DC Converters 3W 48V/+-12V +-125mA
CategoryPower/power management    The power supply circuit   
File Size144KB,4 Pages
ManufacturerMurata
Websitehttps://www.murata.com
Environmental Compliance
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BST-12/125-D48-C Overview

Isolated DC/DC Converters 3W 48V/+-12V +-125mA

BST-12/125-D48-C Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
MakerMurata
Parts packaging codeDIP
package instruction,
Contacts8
Reach Compliance Codecompliant
ECCN codeEAR99
Other features-12V OUTPUT IS ALSO AVAILABLE
Analog Integrated Circuits - Other TypesDC-DC REGULATED POWER SUPPLY MODULE
Maximum input voltage72 V
Minimum input voltage18 V
Nominal input voltage48 V
JESD-30 codeR-PDMA-T8
JESD-609 codee4
Maximum load regulation0.5%
Number of functions1
Output times2
Number of terminals8
Maximum operating temperature75 °C
Minimum operating temperature-40 °C
Maximum output voltage12.12 V
Minimum output voltage11.88 V
Nominal output voltage12 V
Package body materialPLASTIC/EPOXY
Package shapeRECTANGULAR
Package formMICROELECTRONIC ASSEMBLY
Peak Reflow Temperature (Celsius)NOT SPECIFIED
Certification statusNot Qualified
surface mountNO
technologyHYBRID
Temperature levelOTHER
Terminal surfaceGold (Au) - with Nickel (Ni) barrier
Terminal formTHROUGH-HOLE
Terminal locationDUAL
Maximum time at peak reflow temperatureNOT SPECIFIED
Fine-tuning/adjustable outputNO
www.murata-ps.com
Dual Output BST Models
Low-Cost, High Reliability 3 Watt, DC/DC Converters
Typical units
FEATURES

Lowest cost! Highest reliability!

100% SMT-on-pcb, including magnetics

100% automatically assembled

Standard "DIP" package and pinouts

isolated, 1000Vdc guaranteed
Fully

±12 or ±15 Volt outputs
±5,

Choice of 3 wide-range inputs:
4.5-9 Volts
9-18 Volts
18-72 Volts

Guaranteed efficiencies to 75%
–40 to +75°C full-power operation

Internal input/output filtering

UL1950/C22.2 No. 950/IEC950-1 certified
PRODUCT OVERVIEW
Rarely, has a Series of low-power DC/DC converters
been defined by both low cost and Murata’s quality
and reliability. Our new BST Series of dual-output
3W DC/DC’s achieves this “best-of-both-worlds”
status by implementing a proven circuit architecture
(170-200kHz flyback design) as a full, SMT-on-pcb
assembly (including surface-mount magnetics) that is
truly 100% automatically assembled. Packaged in min-
iature 1.25" x 0.8", DIP-like plastic packages (UL94V-0
rated) and requiring no external components, BST
Series DC/DC’s bring true component-like convenience
to designers of today’s distributed power systems.
Output voltages are ±5, ±12 or ±15 Volts. Input
voltage ranges are 4.5-9V (“D5” models), 9-18V
(“D12” models) or an ultra-wide 18-72V (“D48”
models). BST DC/DC’s are fully isolated (1000Vdc
guaranteed) and include input (pi type) and output
filters within their package. Output transient response
is a quick 200μsec, while output ripple and noise are
typically 75mVp-p.
These rugged modules are fully encapsulated
with a thermally conductive potting compound that
contributes to their outstanding moisture/vibration
resistance and impressive MTBF. They operate over
the full –40 to +75°C temperature range without der-
ating. All models have been thoroughly characterized
(electrically, mechanically and thermally), qualified
(including HALT), and EMI/EMC tested. Additionally,
they are certified to UL1950, CSA 22.2 No. 950 and
IEC950.
Murata’s BST Model 3W DC/DC’s are excellent
selections for telecom/datacom, computer and
process-control applications demanding small size,
low cost and high reliability. If required, their design
“flexibility” allows for easy modification to your
application-specific requirements.
+V
IN
+V
OUT
COMMON
–V
OUT
–V
IN
PWM
CONTROLLER
OPTO
ISOLATION
REFERENCE &
ERROR AMP
Typical topology is shown.
 
Figure 1. Simplified Schematic
For full details go to
www.murata-ps.com/rohs
www.murata-ps.com/support
MDC_BST 3W Models.C01
Page 1 of 4

BST-12/125-D48-C Related Products

BST-12/125-D48-C
Description Isolated DC/DC Converters 3W 48V/+-12V +-125mA
Is it lead-free? Lead free
Is it Rohs certified? conform to
Maker Murata
Parts packaging code DIP
Contacts 8
Reach Compliance Code compliant
ECCN code EAR99
Other features -12V OUTPUT IS ALSO AVAILABLE
Analog Integrated Circuits - Other Types DC-DC REGULATED POWER SUPPLY MODULE
Maximum input voltage 72 V
Minimum input voltage 18 V
Nominal input voltage 48 V
JESD-30 code R-PDMA-T8
JESD-609 code e4
Maximum load regulation 0.5%
Number of functions 1
Output times 2
Number of terminals 8
Maximum operating temperature 75 °C
Minimum operating temperature -40 °C
Maximum output voltage 12.12 V
Minimum output voltage 11.88 V
Nominal output voltage 12 V
Package body material PLASTIC/EPOXY
Package shape RECTANGULAR
Package form MICROELECTRONIC ASSEMBLY
Peak Reflow Temperature (Celsius) NOT SPECIFIED
Certification status Not Qualified
surface mount NO
technology HYBRID
Temperature level OTHER
Terminal surface Gold (Au) - with Nickel (Ni) barrier
Terminal form THROUGH-HOLE
Terminal location DUAL
Maximum time at peak reflow temperature NOT SPECIFIED
Fine-tuning/adjustable output NO
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