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參數(shù)資料
| 型號(hào)： | UWR-2/6000-D24ACL1-C |
| 廠商： | CD TECHNOLOGIES INC |
| 元件分類(lèi)： | 電源模塊 |
| 英文描述： | 1-OUTPUT DC-DC REG PWR SUPPLY MODULE |
| 封裝： | ROHS COMPLIANT PACKAGE-5 |
| 文件頁(yè)數(shù)： | 7/12頁(yè) |
| 文件大小： | 698K |
| 代理商： | UWR-2/6000-D24ACL1-C |
MDC_UWR15W_E05 Page 4 of 2
P O W E R E L E C T R O N I C S D I V I S I O N
D C / D C C O N V E R T E R S
www.cd4power.com
UWR Models
Single Output, High Density, 1" x 2" 6 Amp/15 Watt, 1.2-15VOUT DC/DC's
Trimming Output Voltages
These converters have a trim capability (pin 5) that allows users to adjust the
output voltage ±5%. Adjustments to the output voltage can be accomplished
via a trim pot, Figure 2, or a single fixed resistor as shown in Figures 3 and 4.
A single fixed resistor can increase or decrease the output voltage depending
on its connection. Fixed resistors should have an absolute TCR less than
100ppm/°C to minimize sensitivity to changes in temperature.
A single resistor connected from the Trim (pin 5) to the +Output (pin 4), see
Figure 3, will decrease the output voltage. A resistor connected from the Trim
(pin 5) to Output Common (pin 6) will increase the output voltage.
Trim adjustment greater than 5% can have an adverse effect on the convert-
er's performance and is not recommended.
20k
5-22
Turns
+INPUT
+OUTPUT
COMMON
TRIM
–INPUT
ON/OFF
CONTROL
2
3
4
5
LOAD
6
+INPUT
+OUTPUT
COMMON
TRIM
–INPUT
ON/OFF
CONTROL
2
3
4
5
LOAD
6
RTRIM DOWN
+INPUT
+OUTPUT
COMMON
TRIM
–INPUT
ON/OFF
CONTROL
2
3
4
5
LOAD
6
RTRIM UP
Figure 2.Trim Connections Using A Trim Pot
Figure 4.Trim Connections To Increase Output Voltage Using Fixed Resistors
Figure 3.Trim Connections To Decrease Output Voltage Using Fixed Resistors
T E C h N I C A L
N O T E S
Floating Outputs
Since these are isolated DC/DC converters, their outputs are "floating."
Designers will usually use the output Common (pin 6) as the ground/return of
the load circuit.You can, however, use the +Output (pin 4) as ground/return to
effectively reverse the output polarity.
Minimum Output Loading Requirements
1.2 to 5V models employ a synchronous-rectifier design topology. All models
regulate within spec and are stable under no-load conditions. 12/15V models
employ a traditional forward architecture and require 10% loading (125mA for
12V models, 100mA for 15V models) to achieve their listed regulation specs.
12/15V models also have a minimum-load-for-stability requirement (20mA).
For 12/15V models, operation below 20mA or 10% loading will be stable but
regulation may degrade. A 100F output capacitor is recommended below
10% loading. Users should verify whether this relaxed regulation will have
any effect on output circuits. If so, add a small load of 10% or greater.
Operation under no-load conditions will not damage 12/15V converters.
However they may not meet all listed specifications.
Filtering and Noise Reduction
All A-Series UWR DC/DC Converters achieve their rated ripple and noise
specifications using the external input and output capacitors specified in the
Performance/Functional Specifications table. In critical applications, input/
output noise may be further reduced by installing additional external I/O caps.
Input capacitors should be selected for bulk capacitance, low ESR and high
rms-ripple-current ratings. Output capacitors should be selected for low ESR
and appropriate frequency response. All caps should have appropriate volt-
age ratings and be mounted 2-3 inches from the converter to achieve
published ratings.
The most effective combination of external I/O capacitors will be a function
of your particular load and layout conditions. Our Applications Engineers will
be happy to recommend potential solutions and can discuss the possibility of
our modifying a given device’s internal filtering to meet your specific require-
ments. Contact our Applications Engineering Group for additional details.
Input Fusing
Certain applications and/or safety agencies may require the installation of
fuses at the inputs of power conversion components. Fuses should also be
used if the possibility of sustained, non-current-limited, input-voltage polarity
reversals exists. For C&D A-Series UWR 7-15 Watt DC/DC Converters, you
should use slow-blow type fuses with values no greater than the following.
VIN Range
Fuse Value
"D12A" Models
3 Amps
"D24A" Models
2 Amps
"D48A" Models
1 Amp
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| UWR-2/6000-D24ANL2-C | 1-OUTPUT DC-DC REG PWR SUPPLY MODULE |
| UWR-5/3000-D12ANL1-C | 1-OUTPUT 15 W DC-DC REG PWR SUPPLY MODULE |
| UWR-15/1000-D48A | 1-OUTPUT 15 W DC-DC REG PWR SUPPLY MODULE |
| UWR-12/1250-D48ACT | 1-OUTPUT 15 W DC-DC REG PWR SUPPLY MODULE |
| UWR-2.5/6000-D48AN | 1-OUTPUT 15 W DC-DC REG PWR SUPPLY MODULE |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| UWR-3.3/1800-D48A | 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:DC-to-DC Voltage Converter |
| UWR-3.3/1800-D5A | 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:DC-to-DC Voltage Converter |
| UWR-3.3/2500-D12A | 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:DC-to-DC Voltage Converter |
| UWR-3.3/4250-D12A | 功能描述:DC/DC轉(zhuǎn)換器 14W 12V - 3.3V 4.25A RoHS:否 制造商:Murata 產(chǎn)品: 輸出功率: 輸入電壓范圍:3.6 V to 5.5 V 輸入電壓（標(biāo)稱(chēng)）: 輸出端數(shù)量:1 輸出電壓（通道 1）:3.3 V 輸出電流（通道 1）:600 mA 輸出電壓（通道 2）: 輸出電流（通道 2）: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體尺寸: |
| UWR-3.3/4250-D12A.C | 制造商:Murata Power Solutions 功能描述:Module DC-DC 1-OUT 3.3V 4.25A 15W 6-Pin Case C-14 制造商:Murata 功能描述:Module DC-DC 1-OUT 3.3V 4.25A 15W 6-Pin Case C-14 |
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