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OKR-T/3 Series
Adjustable Output 3-Amp SIP-mount DC/DC Converters
Performance Speci?cations Summary and Ordering Guide
ORDERING GUIDE
Output
Input
Package
I OUT
R/N (mVp-p) Regulation (Max.)
I IN ,
I IN ,
Ef?ciency
V OUT
(Amps Power
V IN Nom. Range
no load full load
Root Model
(Volts)
max) (Watts)
Max. Line Load
(Volts)
(Volts)
(mA)
(Amps)
Min.
Typ.
Case
Pinout
OKR-T/3-W12-C
0.591-6
3
15
25
±0.3%
±1.4%
12
4.5-14
80
1.34
90.75% 93%
C72
P73
? Dimensions are in inches (mm).
? Ripple and Noise is shown at Vout=1V. See specs for details.
? All speci?cations are at nominal line voltage, Vout= 5V and full load, +25 deg.C. unless
PART NUMBER STRUCTURE
OK R - T / 3 - W12
Okami Non-isolated PoL
otherwise noted. Output capacitors are 1 μF ceramic and 22 μF electrolytic in parallel.
Input cap is 22 μF. See detailed speci?cations. I/O caps are necessary for our test equip-
ment and may not be needed for your application.
? Vin must be 2V or higher than Vout for 3.3 to 5V outputs.
E - C
RoHS Hazardous
Substance Compliance
C = RoHS-6 ( does not claim EU RoHS exemption 7b–lead in solder )
SIP-Mount
Forced On/Off Control
Blank = Standard on/off, open pin = ON
E = Forced enable, open pin = OFF, see specs
Output Voltage Range
Product Label
T = Trimmable, 0.591-6 Volts
Maximum Rated Output
Current in Amps
Wide Input Voltage Range
W12 = 4.5 – 14 Volts
Note: Some model number combinations
may not be available. Contact Murata
Power Solutions for availability.
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
OKR-T/3-W12-C
OKR-T/3-W12E-C
Product Code
R01103
R01103E
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 = Jan-Sep;
O, N, D = Oct, Nov, Dec)
Figure 2. Label Artwork Layout
The label contains three rows of information:
Third character – Day code (1 through 9 = 1 to 9, 10 = 0 and
11 through 31 = A through Z)
Fourth character – Manufacturing information
First row – Murata Power Solutions logo
Second row – Model number product code (see table)
Third row – Manufacturing date code and revision level
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