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LNK562

更新时间: 2024-02-10 22:02:52
品牌 Logo 应用领域
帕沃英蒂格盛 - POWERINT 变压器开关
页数 文件大小 规格书
16页 752K
描述
Energy Effi cient Off-Line Switcher IC for Linear Transformer Replacement

LNK562 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Active零件包装代码:DIP
包装说明:DIP,针数:8
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:1.74
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:0.2 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
表面贴装:NO切换器配置:SINGLE
最大切换频率:71 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 mm
Base Number Matches:1

LNK562 数据手册

 浏览型号LNK562的Datasheet PDF文件第1页浏览型号LNK562的Datasheet PDF文件第3页浏览型号LNK562的Datasheet PDF文件第4页浏览型号LNK562的Datasheet PDF文件第5页浏览型号LNK562的Datasheet PDF文件第6页浏览型号LNK562的Datasheet PDF文件第7页 
LNK562-564  
BYPASS  
(BP)  
DRAIN  
(D)  
REGULATOR  
5.8 V  
AUTO-RESTART  
BYPASS PIN  
UNDER-VOLTAGE  
COUNTER  
FAULT  
PRESENT  
0.8 V  
+
-
RESET  
+
5.8 V  
4.85 V  
CURRENT LIMIT  
COMPARATOR  
6.3 V  
+
-
V
ILIMIT  
JITTER  
CLOCK  
DCMAX  
ADJ  
THERMAL  
SHUTDOWN  
OSCILLATOR  
FEEDBACK  
(FB)  
1.69 V -VTH  
S
Q
Q
OPEN LOOP  
PULLDOWN  
R
LEADING  
EDGE  
BLANKING  
PI-3958-092905  
SOURCE  
(S)  
Figure 2. Functional Block Diagram.  
Pin Functional Description  
DRAIN (D) Pin:  
P Package (DIP-8B)  
The power MOSFET drain connection provides internal  
operating current for both start-up and steady-state operation.  
G Package (SMD-8B)  
S
S
S
S
1
2
8
7
BYPASS (BP) Pin:  
A 0.1 µF external bypass capacitor for the internally generated  
5.8 V supply is connected to this pin.  
BP  
FB  
3
4
FEEDBACK (FB) Pin:  
5
D
During normal operation, switching of the power MOSFET is  
controlled by this pin. MOSFET switching is disabled when a  
current greater than 70 µA ows into this pin.  
PI-3491-111903  
SOURCE (S) Pin:  
This pin is the power MOSFET source connection. It is also the  
ground reference for the BYPASS and FEEDBACK pins.  
Figure 3. Pin Conguration.  
protection, frequencyjittering, currentlimitcircuit, andleading  
edge blanking.  
Lin k S w it c h -LP Functional  
Description  
LinkSwitch-LPcomprisesa700VpowerMOSFETswitchwith  
a power supply controller on the same die. Unlike conventional  
PWM (pulse width modulation) controllers, it uses a simple  
ON/OFF control to regulate the output voltage. The controller  
consistsofanoscillator,feedback(senseandlogic)circuit,5.8V  
regulator,BYPASSpinunder-voltagecircuit,over-temperature  
Oscillator  
The typical oscillator frequency is internally set to an average  
of 66/83/100 kHz for the LNK562, 563 & 564 respectively.  
Two signals are generated from the oscillator: the maximum  
duty cycle signal (DCMAX) and the clock signal that indicates  
the beginning of each switching cycle.  
F
10/05  
2

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