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BST-5/250-D12

Description
Isolated DC/DC Converters 3W 12V/+-5V +-250mA
CategoryPower/power management    The power supply circuit   
File Size117KB,4 Pages
ManufacturerMurata
Websitehttps://www.murata.com
Download Datasheet Parametric Compare View All

BST-5/250-D12 Overview

Isolated DC/DC Converters 3W 12V/+-5V +-250mA

BST-5/250-D12 Parametric

Parameter NameAttribute value
Is it lead-free?Contains lead
Is it Rohs certified?incompatible
MakerMurata
Parts packaging codeDIP
package instruction,
Contacts8
Reach Compliance Codecompliant
ECCN codeEAR99
Other features-5V OUTPUT IS ALSO AVAILABLE
Analog Integrated Circuits - Other TypesDC-DC REGULATED POWER SUPPLY MODULE
Maximum input voltage18 V
Minimum input voltage9 V
Nominal input voltage12 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 voltage5.05 V
Minimum output voltage4.95 V
Nominal output voltage5 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 OVER NICKEL
Terminal formTHROUGH-HOLE
Terminal locationDUAL
Maximum time at peak reflow temperatureNOT SPECIFIED
Maximum total power output3 W
Fine-tuning/adjustable outputNO
LAST TIME BUY: AUGUST 31, 2014. CLICK HERE FOR OBSOLESCENCE NOTICE OF FEBRUARY 2014.
www.murata-ps.com
Dual Output BST Models
Low-Cost, High Reliability 3 Watt, DC/DC Converters
NOT RECOMMENDED
FOR NEW DESIGNS
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.B03
Page 1 of 4

BST-5/250-D12 Related Products

BST-5/250-D12 BST-15/100-D12 BST-15/100-D48 BST-12/125-D12-C
Description Isolated DC/DC Converters 3W 12V/+-5V +-250mA Isolated DC/DC Converters 3W 12V/+-15V +-100mA Isolated DC/DC Converters 3W 48V/+-15V +-100mA Isolated DC/DC Converters 3W 12V/+-12V +-125mA
Is it lead-free? Contains lead Contains lead Contains lead Lead free
Is it Rohs certified? incompatible incompatible incompatible conform to
Parts packaging code DIP DIP DIP DIP
Contacts 8 8 8 8
Reach Compliance Code compliant compliant compliant compliant
ECCN code EAR99 EAR99 EAR99 EAR99
Other features -5V OUTPUT IS ALSO AVAILABLE -15V OUTPUT IS ALSO AVAILABLE -15V OUTPUT IS ALSO AVAILABLE -12V OUTPUT IS ALSO AVAILABLE
Analog Integrated Circuits - Other Types DC-DC REGULATED POWER SUPPLY MODULE DC-DC REGULATED POWER SUPPLY MODULE DC-DC REGULATED POWER SUPPLY MODULE DC-DC REGULATED POWER SUPPLY MODULE
Maximum input voltage 18 V 18 V 72 V 18 V
Minimum input voltage 9 V 9 V 18 V 9 V
Nominal input voltage 12 V 12 V 48 V 12 V
JESD-30 code R-PDMA-T8 R-PDMA-T8 R-PDMA-T8 R-PDMA-T8
JESD-609 code e4 e4 e4 e4
Maximum load regulation 0.5% 0.5% 0.5% 0.5%
Number of functions 1 1 1 1
Output times 2 2 2 2
Number of terminals 8 8 8 8
Maximum operating temperature 75 °C 75 °C 75 °C 75 °C
Minimum operating temperature -40 °C -40 °C -40 °C -40 °C
Maximum output voltage 5.05 V 15.15 V 15.15 V 12.12 V
Minimum output voltage 4.95 V 14.85 V 14.85 V 11.88 V
Nominal output voltage 5 V 15 V 15 V 12 V
Package body material PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
Package shape RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR
Package form MICROELECTRONIC ASSEMBLY MICROELECTRONIC ASSEMBLY MICROELECTRONIC ASSEMBLY MICROELECTRONIC ASSEMBLY
Peak Reflow Temperature (Celsius) NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED
Certification status Not Qualified Not Qualified Not Qualified Not Qualified
surface mount NO NO NO NO
technology HYBRID HYBRID HYBRID HYBRID
Temperature level OTHER OTHER OTHER OTHER
Terminal surface GOLD OVER NICKEL GOLD OVER NICKEL GOLD OVER NICKEL Gold (Au) - with Nickel (Ni) barrier
Terminal form THROUGH-HOLE THROUGH-HOLE THROUGH-HOLE THROUGH-HOLE
Terminal location DUAL DUAL DUAL DUAL
Maximum time at peak reflow temperature NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED
Fine-tuning/adjustable output NO NO NO NO
Maker Murata Murata Murata -
Maximum total power output 3 W 3 W 3 W -
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