OKI-T/3-W40 Series
Adjustable Output 3-Amp DOSA-SMT DC/DC Converters
Performance Speci?cations Summary and Ordering Guide
ORDERING GUIDE
Output
Input
Package, C72
I OUT
R/N (mVp-p) ? Regulation (Max.)
I IN ,
I IN ,
Ef?ciency
Root Model ?
V OUT
(Volts) ?
(Amps Power
max) (Watts)
Max. Line Load
V IN Nom.
(Volts)
Range
(Volts) ?
no load full load
(mA) ? (Amps)
Min.
Typ.
Case C72 ?
Pinout
OKI-T/3-W40N-C
OKI-T/3-W40P-C
0.7525-5.5
0.7525-5.5
3
3
15
15
20
20
±0.2%
±0.2%
±0.25%
±0.25%
24
24
16-40
16-40
40
40
0.71
0.71
86.5% 88%
86.5% 88%
0.82 x 0.47 x 0.34
(20.8 x 11.9 x 8.5)
0.82 x 0.47 x 0.34
(20.8 x 11.9 x 8.5)
P78
P78
? Dimensions are in inches (mm).
? These are partial model numbers. Please refer to the part number structure for complete ordering part numbers.
? All specifications are at nominal line voltage, Vout=nominal (5V for W40 models) 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.
PART NUMBER STRUCTURE
? Ripple/Noise is shown at Vout = 1V.
? No load input current is shown at Vout = 0.75V.
? For Vout = 1V, Vin ≤ 32V. For Vout = 0.75V, Vin ≤ 24V.
OK
Okami Non-isolated PoL
Surface Mount
Trimmable Output
I - T / 3 - W40 N - C
RoHS Hazardous
Substance Compliance
C = RoHS-6 ( does not claim EU RoHS exemption
7b–lead in solder )
On/Off Logic
P = Positive Logic
N = Negative Logic
Voltage Range
0.7525-5.5V
Input Voltage Range
16-40V
Maximum Rated Output
Current in Amps
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:
Model Number
OKI-T/3-W40N-C
OKI-T/3-W40P-C
Product Code
I00103
I01103
The manufacturing date code is four characters:
Mfg.
date
code
XXXXXX
YMDX Rev.
Product code
Revision level
First character – Last digit of manufacturing year, example 200 9
Second character – Month code (1 through 9 and O through D)
Third character – Day code (1 through 9 = 1 to 9, 10 = O and
Figure 2. Label Artwork Layout
11 through 31 = A through Z)
Fourth character – Manufacturing information
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
www.murata-ps.com/support
MDC_OKI-T/3-W40 Series.A08 Page 2 of 13
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