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Murata Manufacturing Electronic Components Datasheet

OKI-T36W-W40 Datasheet

Selectable Output 36-Watt DOSA-SMT DC/DC Converters

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www.murata-ps.com
OKI-T/36W-W40 Series
Selectable Output 36-Watt DOSA-SMT DC/DC Converters
Typical unit
PRODUCT OVERVIEW
The OKI-T/36W-W40 are non-isolated Point-of-
Load (PoL) DC/DC power converters for embedded
applications. The module is fully compatible with
Distributed-power Open Standards Alliance (DOSA)
industry-standard specifications (www.dosapower
.com).
The wide input range is 19 to 40 Volts DC. Power
output is 36 watts at Vout = 12Vdc. Based on fixed-
frequency synchronous buck converter switching
topology, the high power conversion efficient Point
of Load (POL) module features an On/Off control.
These converters also include under voltage lock
out (UVLO), output short circuit protection, over-
current and over temperature protections.
These units are designed to meet all standard
UL/EN/IEC 60950-1 safety certifications and RoHS-
6 hazardous substance compliance.
FEATURES
Non-isolated SMT PoL DC/DC power module
19-40Vdc input voltage range
Selectable output voltage 5.021-15.5Vdc
Up to 3 Amps output
Drives 1000 μF ceramic capacitive loads
High power conversion efficiency
Outstanding thermal derating performance
Over temperature and over current protection
On/Off control, positive or negative polarity
UL/EN/IEC 60950-1 safety (pending)
Industry-standard (DOSA) surface-mount package
RoHS-6 hazardous substance compliance
Contents
Description, Connection Diagram, Photograph
Ordering Guide, Model Numbering, Product Labeling
Mechanical Specifications, Input/Output Pinout
Detailed Electrical Specifications
Output Voltage Adjustment, Soldering Guidelines
Application Notes
Performance Data and Oscillograms
Page
1
2
3
4
5
6
9
Connection Diagram
+Vin
F1
On/Off
Control
External
DC
Power
Source
Open = On
Closed = Off
(Positive
On/Off)
Controller
t4XJUDIJOH
t'JMUFST
t$VSSFOU4FOTF
Reference and
Error Amplifier
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Common
Figure 1. OKI-T/36W-W40
Note: Murata Power Solutions strongly recommends an external input fuse, F1.
See specifications.
+Vout
Trim
Common
For full details go to
www.murata-ps.com/rohs
www.murata-ps.com
email: sales@murata-ps.com
09 Feb 2011 MDC_OKI-T/36W-W40.A01 Page 1 of 12


Murata Manufacturing Electronic Components Datasheet

OKI-T36W-W40 Datasheet

Selectable Output 36-Watt DOSA-SMT DC/DC Converters

No Preview Available !

OKI-T/36W-W40 Series
Selectable Output 36-Watt DOSA-SMT DC/DC Converters
Performance Specifications and Ordering Guide
ORDERING GUIDE
Root Model
VOUT
(Volts)
Output
IOUT R/N (mVp-p) Regulation (Max.)
(Amps Power
max) (Watts)
Max.
Line Load
OKI-T/36W-W40P-C 5.021-15.5 3
36
50
±0.3 ±0.25
OKI-T/36W-W40N-C 5.021-15.5 3
36
50
±0.3 ±0.25
VIN
Nom.
(Volts)
24
24
Input
Range
(Volts)
IIN, IIN, Efficiency
no load full load
(mA) (Amps) Min. Typ.
19-40 80
1.58 93% 95%
19-40 80
1.58 93% 95%
Package
Case C72
0.47 x 0.82 x 0.34
(11.9 x 20.8 x 8.6)
Pinout
P78
0.47 x 0.82 x 0.34
P78
(11.9 x 20.8 x 8.6)
Dimensions are in inches (mm).
Remote on/off polarity is negative.
All specifications are at nominal line voltage, Vout = 5.021-15.5V and full load, +25 ˚C. unless otherwise noted.
Output capacitors are 1 μF ceramic and 10 μF electrolytic in parallel. Input cap is 22 μF. See detailed specifications.
I/O caps are necessary for our test equipment and may not be needed for your application.
Input current is shown at Vout = 15V.
Efficiency is given at Vout = 15V.
Ripple/Noise is shown at Vin = 24V, Vout = 5.021V.
PART NUMBER STRUCTURE
OK I - T / 36W - W40 N - C
Okami Non-isolated PoL
Surface Mount
Trimmable Output
Voltage Range
5.021-15.5V
Maximum Rated Output
Power in Watts
RoHS Hazardous
Substance Compliance
C = RoHS-6 (does not claim EU RoHS exemption
7b–lead in solder)
On/Off Polarity
P = Positive Polarity
N = Negative Polarity
Input Voltage Range
19-40V
Note: Some model number combinations
may not be available. Contact Murata
Power Solutions for availability.
Product Label
Because of the small size of these products, the product label contains a
character-reduced code to indicate the model number and manufacturing date
code. Not all items on the label are always used. Please note that the label dif-
fers from the product photograph on page 1. Here is the layout of the label:
Mfg.
XXXXXX
Product code
date YMDX Rev. Revision level
code
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Figure 2. Label Artwork Layout
The label contains three rows of information:
First row – Murata Power Solutions logo
Second row – Model number product code (see table)
Third row – Manufacturing date code and revision level
Model Number
OKI-T/36W-W40P-C
OKI-T/36W-W40N-C
Product Code
IW1136
IW0136
The manufacturing date code is four characters:
First character – Last digit of manufacturing year, example 2009
Second character – Month code (1 through 9 and O through D)
Third character – Day code (1 through 9 = 1 to 9, 10 = O and
11 through 31 = A through Z)
Fourth character – Manufacturing information
www.murata-ps.com
email: sales@murata-ps.com
09 Feb 2011 MDC_OKI-T/36W-W40.A01 Page 2 of 12


Part Number OKI-T36W-W40
Description Selectable Output 36-Watt DOSA-SMT DC/DC Converters
Maker Murata Power Solutions
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