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HPQ-12/25-D48NBHX-C PDF预览

HPQ-12/25-D48NBHX-C

更新时间： 2024-02-11 05:06:40
品牌 Logo 应用领域
村田 - MURATA 转换器电源电路
页数 文件大小 规格书
12页 572K
描述
Isolated 300-Watt Quarter Brick DC/DC Converters

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HPQ-12/25-D48NBHX-C 技术参数

是否无铅： 含铅是否Rohs认证： 不符合
生命周期：Obsolete零件包装代码：MODULE
包装说明：,针数：8
Reach Compliance Code：compliantECCN代码：EAR99
风险等级：5.89模拟集成电路 - 其他类型：DC-DC REGULATED POWER SUPPLY MODULE
最大输入电压：75 V最小输入电压：36 V
标称输入电压：48 VJESD-30 代码：R-XDMA-P8
JESD-609代码：e0长度：58.4 mm
最大负载调整率：0.25%功能数量：1
输出次数：1端子数量：8
最高工作温度：85 °C最低工作温度：-40 °C
最大输出电压：12.24 V最小输出电压：11.76 V
标称输出电压：12 V封装主体材料：UNSPECIFIED
封装形状：RECTANGULAR封装形式：MICROELECTRONIC ASSEMBLY
峰值回流温度（摄氏度）：NOT SPECIFIED认证状态：Not Qualified
座面最大高度：0.44 mm表面贴装：NO
技术：HYBRID温度等级：INDUSTRIAL
端子面层：Tin/Lead (Sn/Pb)端子形式：PIN/PEG
端子位置：DUAL处于峰值回流温度下的最长时间：NOT SPECIFIED
最大总功率输出：306 W微调/可调输出：YES
宽度：36.8 mm

HPQ-12/25-D48NBHX-C 数据手册

 浏览型号HPQ-12/25-D48NBHX-C的Datasheet PDF文件第6页浏览型号HPQ-12/25-D48NBHX-C的Datasheet PDF文件第7页浏览型号HPQ-12/25-D48NBHX-C的Datasheet PDF文件第8页浏览型号HPQ-12/25-D48NBHX-C的Datasheet PDF文件第9页浏览型号HPQ-12/25-D48NBHX-C的Datasheet PDF文件第10页浏览型号HPQ-12/25-D48NBHX-C的Datasheet PDF文件第11页 
HPQ-12/25-D48 Series  
Isolated 300-Watt Quarter Brick DC/DC Converters  
Remote Sense Input (See Specification Note 7)  
On/Off Enable Control Ground Bounce Protection  
Sense inputs compensate for output voltage inaccuracy delivered at the load.  
This is done by correcting voltage drops along the output wiring such as mod-  
To improve reliability, if you use a small signal transistor or other external  
circuit to select the Remote On/Off control, make sure to return the LO side  
erate IR drops and the current carrying capacity of PC board etch. Sense inputs directly to the –Vin power input on the DC/DC converter. To avoid ground  
also improve the stability of the converter and load system by optimizing the  
control loop phase margin.  
bounce errors, do not connect the On/Off return to a distant ground plane or  
current-carrying bus. If necessary, run a separate small return wire directly to  
the –Vin terminal. There is very little current (typically 1-5 mA) on the On/Off  
control however, large current changes on a return ground plane or ground bus  
can accidentally trigger the converter on or off. If possible, mount the On/Off  
transistor or other control circuit adjacent to the converter.  
Note: The Sense input and power Vout lines are internally connected through  
low value resistors to their respective polarities so that the converter can  
operate without external connection to the Sense. Nevertheless, if the Sense  
function is not used for remote regulation, the user should connect +Sense to  
+Vout and –Sense to –Vout at the converter pins.  
The remote Sense lines carry very little current. They are also capacitively  
coupled to the output lines and therefore are in the feedback control loop to  
regulate and stabilize the output. As such, they are not low impedance inputs  
and must be treated with care in PC board layouts. Sense lines on the PCB  
should run adjacent to DC signals, preferably Ground. In cables and discrete  
wiring, use twisted pair, shielded tubing or similar techniques  
+VCC  
Please observe Sense inputs tolerance to avoid improper operation:  
ON/OFF  
CONTROL  
[Vout(+) –Vout(-)] – [ Sense(+) – Sense(-)] ≤ 10% of Vout  
-INPUT  
Contact and PCB resistance  
losses due to IR drops  
+OUTPUT  
-INPUT  
IOUT  
+SENSE  
Figure 7. Driving the On/Off Control Pin (suggested circuit)  
Sense Current  
ON/OFF  
CONTROL  
TRIM  
-SENSE  
LOAD  
Sense Return  
IOUT Return  
DC/DC Converter  
+INPUT  
+ Vin  
Preferred location  
of On/Off control  
adjacent to -Vin  
terminal  
-OUTPUT  
Contact and PCB resistance  
losses due to IR drops  
On/Off Enable  
-Vin return  
Figure 6. Remote Sense Circuit Configuration  
On/Off  
Control  
Transistor  
Output overvoltage protection is monitored at the output voltage pin, not the  
Sense pin. Therefore excessive voltage differences between Vout and Sense  
together with trim adjustment of the output can cause the overvoltage protec-  
tion circuit to activate and shut down the output.  
Ground plane or power return bus  
Install separate  
return wire for  
On/Off control  
with remote  
transistor  
Do not connect  
control transistor  
through remote  
power bus  
Power derating of the converter is based on the combination of maximum out-  
put current and the highest output voltage. Therefore the designer must insure:  
Figure 8. On/Off Enable Control Ground Bounce Protection  
(Vout at pins) x (Iout) ≤ (Max. rated output power)  
Murata Power Solutions, Inc.  
11 Cabot Boulevard, Mansfield, MA 02048-1151 U.S.A.  
ISO 9001 and 14001 REGISTERED  
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. Specifications are subject to change without  
notice.  
© 2010 Murata Power Solutions, Inc.  
www.murata-ps.com/locations  
email: sales@murata-ps.com  
26 Jul 2010 MDC_HPQ-12/25-D48 Series.A02 Page 12 of 12  
1...9101112

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