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LNK364DG PDF预览

LNK364DG

更新时间: 2024-02-07 16:00:56
品牌 Logo 应用领域
帕沃英蒂格盛 - POWERINT 开关
页数 文件大小 规格书
16页 789K
描述
LinkSwitch-XT Family Energy Effi cient, Low Power Off-Line Switcher IC

LNK364DG 技术参数

是否Rohs认证: 符合生命周期:Active
零件包装代码:DIP包装说明:DIP,
针数:8Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
Factory Lead Time:14 weeks风险等级:1.69
其他特性:REQUIRES AN AC SUPPLY OF 85 TO 265 V模拟集成电路 - 其他类型:SWITCHING REGULATOR
控制技术:PULSE WIDTH MODULATIONJESD-30 代码:R-PDIP-T7
JESD-609代码:e3长度:9.575 mm
功能数量:1端子数量:7
最高工作温度:125 °C最低工作温度:-40 °C
最大输出电流:0.4 A封装主体材料:PLASTIC/EPOXY
封装代码:DIP封装形状:RECTANGULAR
封装形式:IN-LINE峰值回流温度(摄氏度):NOT SPECIFIED
认证状态:Not Qualified表面贴装:NO
切换器配置:SINGLE最大切换频率:140 kHz
温度等级:AUTOMOTIVE端子面层:PURE MATTE TIN
端子形式:THROUGH-HOLE端子节距:2.54 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:7.62 mmBase Number Matches:1

LNK364DG 数据手册

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LNK362-364  
Input Filter  
Capacitor  
TOP VIEW  
Y1-  
Capacitor  
FB  
D
T
r
a
n
s
f
o
r
m
e
r
BP  
S
S
+
-
HV DC  
INPUT  
S
S
CBP  
Opto-  
coupler  
+
DC  
OUT  
Maximize hatched copper  
areas (  
) for optimum  
-
heatsinking  
Output Filter  
Capacitor  
PI-4155-102705  
Figure 6. Recommended Printed Circuit Layout for LinkSwitch-XT using P Package in a Flyback Converter Conguration.  
Bypass Capacitor CBP  
good heat sinking of LinkSwitch-XT. The same applies to the  
TheBYPASSpincapacitorshouldbelocatedasnearaspossible  
to the BYPASS and SOURCE pins.  
cathode of the output diode.  
Y-Capacitor  
Primary Loop Area  
The placement of the Y-type cap should be directly from the  
primary input lter capacitor positive terminal to the common/  
return terminal of the transformer secondary. Such a placement  
will route high magnitude common-mode surge currents away  
fromtheLinkSwitch-XTdevice. Notethatifaninputpi(C, L, C)  
EMIlterisused, thentheinductorintheltershouldbeplaced  
between the negative terminals of the input lter capacitors.  
The area of the primary loop that connects the input lter  
capacitor, transformer primary and LinkSwitch-XT together  
should be kept as small as possible.  
Primary Clamp Circuit  
A clamp is used to limit peak voltage on the DRAIN pin at  
turn-off. This can be achieved by using an RCD clamp or a  
Zener (~200 V) and diode clamp across the primary winding.  
In all cases, to minimize EMI, care should be taken to minimize  
the circuit path from the clamp components to the transformer  
and LinkSwitch-XT.  
Optocoupler  
Place the optocoupler physically close to the LinkSwitch-XT to  
minimize the primary-side trace lengths. Keep the high current,  
high-voltage drain and clamp traces away from the optocoupler  
to prevent noise pick up.  
Thermal Considerations  
The copper area underneath the LinkSwitch-XT acts not only  
as a single point ground, but also as a heatsink. As this area is  
connected to the quiet source node, it should be maximized for  
Output Diode  
For best performance, the area of the loop connecting the  
secondary winding, the output diode and the output lter  
6
Rev. E 11/08  

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