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LNK520G PDF预览

LNK520G

更新时间: 2024-01-22 16:02:36
品牌 Logo 应用领域
帕沃英蒂格盛 - POWERINT /
页数 文件大小 规格书
20页 844K
描述
Energy Efficient, CV or CV/CC Switcher for Very Low Cost Adapters and Chargers

LNK520G 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Not Recommended零件包装代码:DIP
包装说明:DIP-8/7针数:8
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01Factory Lead Time:14 weeks
风险等级:8.41其他特性:REQUIRES AN AC SUPPLY OF 85 TO 265V
模拟集成电路 - 其他类型:SWITCHING REGULATOR控制技术:PULSE WIDTH MODULATION
最大输入电压:6 V最小输入电压:5.5 V
标称输入电压:5.75 VJESD-30 代码:R-PDIP-T8
JESD-609代码:e3长度:9.575 mm
功能数量:1端子数量:8
最高工作温度:125 °C最低工作温度:-40 °C
最大输出电流:0.28 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:49.5 kHz
温度等级:AUTOMOTIVE端子面层:Matte Tin (Sn)
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

LNK520G 数据手册

 浏览型号LNK520G的Datasheet PDF文件第4页浏览型号LNK520G的Datasheet PDF文件第5页浏览型号LNK520G的Datasheet PDF文件第6页浏览型号LNK520G的Datasheet PDF文件第8页浏览型号LNK520G的Datasheet PDF文件第9页浏览型号LNK520G的Datasheet PDF文件第10页 
LNK520  
5.5 V, 500 mA  
1
7
L1  
1 mH  
0.15 A  
R1  
390 kΩ  
1/4 W  
D7  
11DQ06  
C6  
330 µF  
16 V  
C4  
330 pF  
1 kV  
D1  
D2  
8T  
1N4005 1N4005  
RTN  
6
5
2
RF1  
8.2 Ω  
2 W  
R2  
100 Ω  
100T  
J1  
L
D5  
1N4007GP  
C3  
26T  
85 - 265  
VAC  
1 µF  
R3  
15 Ω  
C1  
4.7 µF  
400 V  
C2  
D6B  
1N4937  
50 V  
4.7 µF  
4
400 V  
T1  
N
LinkSwitch  
EE16  
U1  
LP = 2.52 mH  
D
S
LNK520P  
D3  
D4  
C
1N4005 1N4005  
R4  
6.81 k  
C5  
220 nF  
1%, 1/4 W  
PI-3723-111303  
Figure 10. 2.75 W Constant Voltage/Constant Current (CV/CC) Charger Using LinkSwitch.  
10  
9
85 VAC  
115 VAC  
190 VAC  
230 VAC  
265 VAC  
Limits  
8
7
6
5
4
3
2
1
0
0
100  
200  
300  
Output Current (mA)  
Figure 11. Measured Output Characteristic of the Circuit in Figure 10.  
400  
500  
600  
700  
The secondary of the transformer is rectified and filtered by  
D7 and C6 to provide the DC output to the load. LinkSwitch  
dramatically simplifies the secondary side by controlling both  
the constant voltage and constant current regions entirely from  
the primary side. This is achieved by monitoring the primary-  
side bias voltage.  
Diode D5, C4, R1 and R2 form the primary clamp network.  
This limits the peak DRAIN voltage due to leakage inductance.  
Resistor R2 allows the use of a slow, low cost rectifier diode  
by limiting the reverse current through D5 when U1 turns on.  
The selection of a slow diode improves radiated EMI and also  
improves CV regulation, especially at no-load.  
E
2/05  
7

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