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QHS12ZHN

更新时间： 2024-02-01 05:50:18
品牌 Logo 应用领域
BEL /
页数 文件大小 规格书
10页 206K
描述
DC-DC Regulated Power Supply Module, 1 Output, 14W, Hybrid, PACKAGE-8

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QHS12ZHN 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：5.87Is Samacsys：N
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 V
JESD-30 代码：R-XDMA-P8JESD-609代码：e0
最大负载调整率：0.75%功能数量：1
输出次数：1端子数量：8
最高工作温度：100 °C最低工作温度：-40 °C
最大输出电压：13.2 V最小输出电压：10.8 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
表面贴装：NO技术：HYBRID
温度等级：INDUSTRIAL端子面层：TIN LEAD
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：14 W
微调/可调输出：YESBase Number Matches：1

QHS12ZHN 数据手册

 浏览型号QHS12ZHN的Datasheet PDF文件第4页浏览型号QHS12ZHN的Datasheet PDF文件第5页浏览型号QHS12ZHN的Datasheet PDF文件第6页浏览型号QHS12ZHN的Datasheet PDF文件第8页浏览型号QHS12ZHN的Datasheet PDF文件第9页浏览型号QHS12ZHN的Datasheet PDF文件第10页 
QHS DC-DC Series Data Sheet  
filtering, or remotely from the unit. Optically  
coupling the information and locating the optical  
coupler directly at the module will solve any of  
these problems.  
Typical Application  
Figure 9 shows the recommended connections for the  
QHS Series converter.  
Note:  
QHS40ZX  
If the ON/OFF pin is not used, it can be left floating (positive  
logic), or connected to the -Vin pin (negative logic).  
Fuse  
+Vo  
+Vi  
+Sense  
Output Voltage Trim  
C1  
C2 C3  
Trim  
On/Off  
-Vi  
-Sense  
-Vo  
Industry Standard Trim  
The units trim up with a resistor from the TRIM pin  
to the +Sense pin and trim down with a resistor  
from the TRIM pin to the –Sense pin as shown in  
Figure 10.  
Figure 9. Typical Application of the QHS Series  
The QHS Series converters do not require any external  
components for proper operation. However, if the  
distribution of the input voltage to the converter contains  
significant inductance, the capacitor C1 may be  
required to enhance performance of the converter. A  
minimum of a 33 μF electrolytic capacitor with the  
ESR<0.7Ω is recommended for the QHS Series.  
Refer to the “Inrush Current Control Application Note”  
on www.power-one.com for suggestions on how to limit  
the magnitude of the inrush current.  
For output decoupling we recommend using a 10 μF  
tantalum and a 1 μF ceramic capacitors connected  
directly across the output pins of the converter. Note,  
that the capacitors do not substitute the filtering  
required by the load.  
Figure 10. QHS Series Positive Trim Schematic  
Shutdown Feature Description  
The equations below determine the trim resistor  
value required to achieve a ΔV change in the  
output voltage.  
The ON/OFF pin in the QHS Series converters  
functions as a normal soft shutdown. It is referenced to  
the –Vin pin (see Figure 7). With the positive logic,  
when the ON/OFF pin is pulled low, the output is turned  
off and the unit goes into a very low input power mode.  
5.1Vo(100 + Δ%) 510  
⎛
⎜
⎞
Radj − up =  
−
−10.2) kΩ  
⎟
1.225Δ%  
Δ%  
⎝
⎠
With negative logic, when the ON/OFF pin is pulled low,  
the unit is turned on.  
510  
⎛
⎜
⎞
⎠
An open collector switch is recommended to control the  
voltage between the ON/OFF pin and the -Vin pin of the  
converter. The ON/OFF pin is pulled up internally, so  
no external voltage source is required. The user should  
avoid connecting a resistor between the ON/OFF pin  
and the +Vin pin.  
Radj − down =  
−10.2) kΩ  
⎟
Δ%  
⎝
where ΔV% is the output voltage change  
expressed in percents of the nominal output  
voltage, Vout.  
When the ON/OFF pin is used to achieve remote  
control, the user must take care to insure that the pin  
reference for the control is really the -Vin pin. The  
control signal must not be referenced ahead of EMI  
Notes:  
DEC 09, 2004 revised to APR 12, 2006  
Page 7 of 10  
www.power-one.com  
1...45678910

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