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参数资料
| 型号： | UEI15-120-Q12P-C |
| 厂商： | Murata Power Solutions Inc |
| 文件页数： | 14/17页 |
| 文件大小： | 0K |
| 描述： | CONV DC/DC 15.6W 12V 1.3A |
| 产品培训模块： | Medium Power Industrial DC/DC Converters 5 ~ 60W UEI Series DC-DC Converter |
| 标准包装： | 90 |
| 系列： | UEI15 |
| 类型： | 隔离 |
| 输出数： | 1 |
| 电压 - 输入（最小）： | 9V |
| 电压 - 输入（最大）： | 36V |
| Voltage - Output 1： | 12V |
| 电流 - 输出（最大）： | 1.3A |
| 电源（瓦） - 制造商系列： | 15W |
| 电压 - 隔离： | 2.25kV（2250V） |
| 安装类型： | 通孔 |
| 封装/外壳： | 6-DIP 模块 |
| 尺寸/尺寸： | 1.10" L x 0.96" W x 0.32" H（27.9mm x 24.4mm x 8.1mm） |
| 包装： | 管件 |
| 工作温度： | -40°C ~ 85°C |
| 效率： | 84.5% |
| 电源（瓦特）- 最大： | 15.6W |
| 产品目录页面： | 2721 (CN2011-ZH PDF) |
| 其它名称： | 811-1868-5 |
UEI15 Series
Isolated Wide Input Range 15-Watt DC/DC Converters
reduces the average output current, thereby preventing excessive internal
temperatures. A short circuit can be tolerated inde?nitely.
Trimming the Output Voltage
The Trim input to the converter allows the user to adjust the output voltage
over the rated trim range (please refer to the Speci?cations). In the trim equa-
?VIN
+VOUT
tions and circuit diagrams that follow, trim adjustments use either a trimpot or
a single ?xed resistor connected between the Trim input and either the positive
or negative output terminals. (On some converters, an external user-supplied
ON/OFF
CONTROL
TRIM
R TRIM UP
LOAD
precision DC voltage may also be used for trimming). Trimming resistors should
have a low temperature coef?cient (±100 ppm/deg.C or less) and be mounted
close to the converter. Keep leads short. If the trim function is not used, leave
the trim unconnected. With no trim, the converter will exhibit its speci?ed
+VIN
?VOUT
output voltage accuracy.
Figure 6. Trim adjustments to increase Output Voltage using a Fixed Resistor
?VIN
+VOUT
CAUTION : Be careful of external electrical noise. The Trim input is a senstive
input to the converter’s feedback control loop. Excessive electrical noise may
cause instability or oscillation. Keep external connections short to the Trim
input. Use shielding if needed.
ON/OFF
CONTROL
TRIM
7 5-22
TURNS
LOAD
Trim Equations
Trim Up
<Connect trim
resistor between
Trim and ?V OUT >
Trim Down
<Connect trim
resistor between
Trim and +V OUT >
+VIN
?VOUT
UEI15-033-Q12, Q48
Figure 4. Trim adjustments using a trimpot
R TUP ( ? ) =
12775
V O – 3.3
– 2050
R TDOWN ( ? ) =
5110 (Vo - 2.5)
3.3 – V O
– 2050
UEI15-050-Q12, Q48
?VIN
+VOUT
R TUP ( ? ) =
12775
V O – 5
– 2050
R TDOWN ( ? ) =
5110 (Vo - 2.5 )
5 – V O
– 2050
UEI15-120-Q12, Q48
ON/OFF
CONTROL
TRIM
R TRIM DOWN
LOAD
R TUP ( ? ) =
25000
V O – 12
– 5110
R TDOWN ( ? ) =
10000 (Vo-2.5 )
12 – V O
– 5110
UEI15-150-Q12, Q48
+VIN
?VOUT
R TUP ( ? ) =
25000
V O – 15
– 5110
R TDOWN ( ? ) =
10000 (Vo-2.5 )
15 – V O
– 5110
Figure 5. Trim adjustments to decrease Output Voltage using a Fixed Resistor
Where Vo = Desired output voltage. Adjustment accuracy is subject to resis-
tor tolerances and factory-adjusted output accuracy. Mount trim resistor close
There are two CAUTIONs to be aware for the Trim input:
CAUTION : To avoid unplanned power down cycles, do not exceed EITHER the
maximum output voltage OR the maximum output power when setting the trim.
Be particularly careful with a trimpot. If the output voltage is excessive, the
OVP circuit may inadvertantly shut down the converter. If the maximum power
is exceeded, the converter may enter current limiting. If the power is exceeded
for an extended period, the converter may overheat and encounter overtem-
to converter. Use short leads.
Remote On/Off Control
On the input side, a remote On/Off Control can be ordered with either logic type.
Positive-logic models are enabled when the On/Off pin is left open or is
pulled high to +15V max. with respect to –V IN . Some models will also turn on
at lower intermediate voltages (see Speci?cations). Positive-logic devices are
perature shut down.
www.murata-ps.com/support
MDC_UEI15W.C14 Page 14 of 17
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相关代理商/技术参数 |
参数描述 |
|---|---|
| UEI15-120-Q12PM-C | 功能描述:DC/DC转换器 15.6W 24Vin 12Vout 1.3A PosPolarity SMT 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: |
| UEI15-120-Q48 | 制造商:Murata Power Solutions 功能描述:- Rail/Tube |
| UEI15-120-Q48N-C | 功能描述:DC/DC转换器 12Vout 1.3A 15.6W 48V Neg Polarity 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: |
| UEI15-120-Q48N-C | 制造商:Murata Power Solutions 功能描述:DC/DC Converter |
| UEI15-120-Q48NM-C | 功能描述:DC/DC转换器 15.6W 48Vin 12Vout 1.3A NegPolarity SMT 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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