OKI-78SR Datasheet PDF | Murata Manufacturing





(PDF) OKI-78SR Datasheet PDF

Part Number OKI-78SR
Description Fixed Output 1.5 Amp SIP DC/DC Converters
Manufacture Murata Manufacturing
Total Page 10 Pages
PDF Download Download OKI-78SR Datasheet PDF

Features: www.murata-ps.com PRODUCT OVERVIEW Fabri cated on a 0.41 by 0.65 inch (10.4 by 1 6.5 mm) Single Inline Package (SIP) mod ule, the OKI78SR series are non-isolate d switching regulator (SR) DC/DC power converters for embedded applications. T he fixed single output converters offe r both tight regulation and high effic iency directly at the power usage site and are a direct plug-in replacement fo r TO-220 package 78xx series linear reg ulators. Typically, no extra outside co mponents are required. Two nominal outp ut voltages are offered (3.3 and 5 VDC) , each with 1.5 Amp maximum output. OK I-78SR Series www.DataSheet4U.com Fixe d Output 1.5 Amp SIP DC/DC Converters Typical unit Based on fixed-frequency buck switching topology, the high ef ciency means very low heat and little electrical noise, requiring no external components. The ultra wide input range is 7 to 36 Volts DC. Protection featur es include input undervoltage and short circuit protection, overcurrent and over temperature shut down. The OK.

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OKI-78SR datasheet
www.murata-ps.com
OKI-78SR Serieswww.DataSheet4U.com
Fixed Output 1.5 Amp SIP DC/DC Converters
Typical unit
FEATURES
Ultra wide 7 to 36 VDC input range
Fixed Outputs of 3.3 or 5 VDC up to 1.5 Amps
Vertical SIP-mount, small footprint package
“No heat sink” direct replacement for 3-terminal
78xx-series linear regulators
High efficiency with no external components
Short circuit protection
Outstanding thermal derating performance
UL/EN/IEC 60950-1, 2nd Edition safety approvals
(pending)
PRODUCT OVERVIEW
Fabricated on a 0.41 by 0.65 inch (10.4 by 16.5
mm) Single Inline Package (SIP) module, the OKI-
78SR series are non-isolated switching regulator
(SR) DC/DC power converters for embedded ap-
plications. The fixed single output converters offer
both tight regulation and high efficiency directly
at the power usage site and are a direct plug-in
replacement for TO-220 package 78xx series linear
regulators. Typically, no extra outside components
are required.
Two nominal output voltages are offered (3.3
and 5 VDC), each with 1.5 Amp maximum output.
Based on fixed-frequency buck switching topology,
the high efficiency means very low heat and little
electrical noise, requiring no external components.
The ultra wide input range is 7 to 36 Volts DC.
Protection features include input undervoltage
and short circuit protection, overcurrent and over
temperature shut down. The OKI-78SR is designed
to meet all standards approvals. RoHS-6 (no lead)
hazardous material compliance is specified as
standard.
Contents
Description, Connection Diagram, Photograph
Ordering Guide, Model Numbering, Product Labeling
Mechanical Specifications, Input/Output Pinout
Detailed Electrical Specifications
Performance Data and Oscillograms
Soldering Guidelines, Application Notes
Page
1
2
3
4
5
9
+Vin
F1
External
DC
Power
Source
Connection Diagram
Controller
t4XJUDIJOH
t'JMUFST
t$VSSFOU4FOTF
Reference and
Error Amplifier
+Vout
Common
Figure 1. OKI-78SR
Note: Murata Power Solutions strongly recommends an external input fuse, F1.
See specifications.
Common
For full details go to
www.murata-ps.com/rohs
www.murata-ps.com
email: sales@murata-ps.com
21 May 2010 MDC_OKI-78SR-W36.A01 Page 1 of 10

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