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参数资料
| 型号： | ULS-5/12-D48P-C |
| 厂商： | Murata Power Solutions Inc |
| 文件页数： | 23/24页 |
| 文件大小： | 0K |
| 描述： | CONVERTER DC/DC 5V @ 12A POS |
| 产品目录绘图： | ULS Series |
| 标准包装： | 128 |
| 系列： | ULS |
| 类型： | 隔离 |
| 输出数： | 1 |
| 电压 - 输入（最小）： | 36V |
| 电压 - 输入（最大）： | 75V |
| Voltage - Output 1： | 5V |
| 电流 - 输出（最大）： | 12A |
| 电源（瓦） - 制造商系列： | 60W |
| 电压 - 隔离： | 2.25kV（2250V） |
| 特点： | 具有远程开/关功能 |
| 安装类型： | 通孔 |
| 封装/外壳： | 8-DIP 模块，1/16 砖 |
| 尺寸/尺寸： | 1.30" L x 0.90" W x 0.40" H（33.0mm x 22.9mm x 10.2mm） |
| 包装： | 托盘 |
| 工作温度： | -40°C ~ 85°C |
| 效率： | 90% |
| 电源（瓦特）- 最大： | 60W |
| 产品目录页面： | 2720 (CN2011-ZH PDF) |
| 其它名称： | 811-2202 |
ULS 60-Watt Series
Sixteenth-brick DOSA-Compatible,
Isolated DC/DC Converters
Trimming by Using an External Voltage Source
1. The easiest way to trim the output using an external voltage source is to
drive the Trim pin directly from a variable source. The following equation can
+VIN
+VOUT
be used to calculate the voltage at the Trim pin.
+SENSE
External
source
Vtrim = 2 x 1.225 x
Vo
Vonominal
? 1.225
ON/OFF
CONTROL
TRIM
+
–
LOAD
Vo is the output voltage you want; Vonominal is the nominal output voltage;
–SENSE
Vtrim is the voltage that should appear at the trim pin.
2. If the purpose of trimming is to compensate voltage drop of power path
from converter to the Load, you may separately connect the sense pin directly
to the load. It’s much easier than real time adjusting trim voltage.
3. CAUTION: To avoid unplanned power down cycles, do not exceed EITHER
the maximum output voltage OR the maximum output power when setting
the trim. If the output voltage is excessive, the OVP circuit may 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 overtemperature shut down. Be careful of external
electrical noise. The Trim input is a sensitive input to the converter’s feedback
control loop. Excessive electrical noise may cause instability or oscillation.
–VIN
–VOUT
Figure 8. Trimming with an External Source
Through-hole Soldering Guidelines
Murata Power Solutions recommends the TH soldering 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)
For Sn/Ag/Cu based solders:
SMT Re?ow Soldering Guidelines
The surface-mount re?ow solder pro?le shown below is suitable for SAC305 type lead-
free solders. This graph should be used only as a guideline . Many other factors in?uence
the success of SMT re?ow soldering. Since your production environment may differ,
please thoroughly review these guidelines with your process engineers.
Maximum Preheat Temperature
Maximum Pot Temperature
Maximum Solder Dwell Time
For Sn/Pb based solders:
Maximum Preheat Temperature
Maximum Pot Temperature
Maximum Solder Dwell Time
115° C.
270° C.
7 seconds
105° C.
250° C.
6 seconds
www.murata-ps.com/support
MDC_ULS Series.B31 Page 23 of 24
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