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OKX-T/3-D12 Series
Adjustable 3-Amp SIP Non-Isolated DC/DC Converters
Output Voltage Adustment
The output voltage may be adjusted over a limited range by connecting an
OKX-T/3-D12
external trim resistor (Rtrim) between the Trim pin and Ground. The Rtrim resistor
is recommended to have a ±0.5% accuracy (or better) with low temperature
coef?cient, ±100 ppm/°C or better. Mount the resistor close to the converter with
very short leads or use a surface mount trim resistor.
In the tables below, the calculated resistance is given. Do not exceed the
speci?ed limits of the output voltage or the converter’s maximum power rating
when applying these resistors. Also, avoid high noise at the Trim input. However,
to prevent instability, you should never connect any capacitors to Trim.
Output Voltage
5.0 V.
3.3 V.
2.5 V.
2.0 V.
1.8 V.
1.5 V.
1.2 V.
1.0 V.
0.7525 V.
Resistor Trim Equation:
Calculated Rtrim (KΩ)
1.472
3.122
5.009
7.416
9.024
13.05
22.46
41.424
∞ (open)
R TRIM ( ) = _____________
10500
V OUT – 0.7525V
–1000
Soldering Guidelines
Murata Power Solutions recommends the speci?cations below when install-
ing these converters. These speci?cations vary depending on the solder
type. Exceeding these speci?cations may cause damage to the product. Your
production environment may differ; therefore please thoroughly review these
guidelines with your process engineers.
Wave Solder Operations for through-hole mounted products (THMT)
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
differs from the product photograph on page 1. Here is the layout of the label:
The label contains three rows of information:
For Sn/Ag/Cu based solders:
Mfg.
X00016
Product code
Maximum Preheat Temperature
115° C.
date
code
YMDX Rev.
Revision level
Maximum Pot Temperature
Maximum Solder Dwell Time
For Sn/Pb based solders:
Maximum Preheat Temperature
Maximum Pot Temperature
Maximum Solder Dwell Time
270° C.
7 seconds
105° C.
250° C.
6 seconds
Figure 4. Label Artwork Layout
First row – Murata Power Solutions logo
Second row – Model number product code (see table)
Third row – Manufacturing date code and revision level
Model Number
Product Code
OKX-T/3-D12N-C
X00103
OKX-T/3-D12P-C
X01103
The manufacturing date code is four characters:
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
11 through 31 = A through Z)
Fourth character – Manufacturing information
Murata Power Solutions, Inc.
11 Cabot Boulevard, Mans?eld, MA 02048-1151 U.S.A.
ISO 9001 and 14001 REGISTERED
This product is subject to the following operating requirements
and the Life and Safety Critical Application Sales Policy :
Refer to: http://www.murata-ps.com/requirements/
Murata Power Solutions, Inc. makes no representation that the use of its products in the circuits described herein, or the use of other
technical information contained herein, will not infringe upon existing or future patent rights. The descriptions contained herein do not imply
the granting of licenses to make, use, or sell equipment constructed in accordance therewith. Speci?cations are subject to change without
notice.
? 2012 Murata Power Solutions, Inc.
www.murata-ps.com/support
MDC_OKX-T/3-D12 Series.A01 Page 15 of 15
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功能描述:DC/DC转换器 12Vin 0.75-5.5Vout 3A Pos logic SIP RoHS:否 制造商:Murata 产品: 输出功率: 输入电压范围:3.6 V to 5.5 V 输入电压（标称）: 输出端数量:1 输出电压（通道 1）:3.3 V 输出电流（通道 1）:600 mA 输出电压（通道 2）: 输出电流（通道 2）: 安装风格:SMD/SMT 封装 / 箱体尺寸:
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RoHS:否 制造商:Murata 产品: 输出功率: 输入电压范围:3.6 V to 5.5 V 输入电压（标称）: 输出端数量:1 输出电压（通道 1）:3.3 V 输出电流（通道 1）:600 mA 输出电压（通道 2）: 输出电流（通道 2）: 安装风格:SMD/SMT 封装 / 箱体尺寸:
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功能描述:DC/DC转换器 5Vin 0.75-3.6Vout 3A Pos logic SIP RoHS:否 制造商:Murata 产品: 输出功率: 输入电压范围:3.6 V to 5.5 V 输入电压（标称）: 输出端数量:1 输出电压（通道 1）:3.3 V 输出电流（通道 1）:600 mA 输出电压（通道 2）: 输出电流（通道 2）: 安装风格:SMD/SMT 封装 / 箱体尺寸:
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功能描述:DC/DC转换器 12Vin 0.75-5.5Vout 5A Neg logic SIP
RoHS:否 制造商:Murata 产品: 输出功率: 输入电压范围:3.6 V to 5.5 V 输入电压（标称）: 输出端数量:1 输出电压（通道 1）:3.3 V 输出电流（通道 1）:600 mA 输出电压（通道 2）: 输出电流（通道 2）: 安装风格:SMD/SMT 封装 / 箱体尺寸:
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功能描述:DC/DC转换器 12Vin 0.75-5.5Vout 5A Pos logic SIP RoHS:否 制造商:Murata 产品: 输出功率: 输入电压范围:3.6 V to 5.5 V 输入电压（标称）: 输出端数量:1 输出电压（通道 1）:3.3 V 输出电流（通道 1）:600 mA 输出电压（通道 2）: 输出电流（通道 2）: 安装风格:SMD/SMT 封装 / 箱体尺寸:
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功能描述:DC/DC转换器 5Vin 0.75-3.6Vout 5A Neg logic SIP
RoHS:否 制造商:Murata 产品: 输出功率: 输入电压范围:3.6 V to 5.5 V 输入电压（标称）: 输出端数量:1 输出电压（通道 1）:3.3 V 输出电流（通道 1）:600 mA 输出电压（通道 2）: 输出电流（通道 2）: 安装风格:SMD/SMT 封装 / 箱体尺寸:
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