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TNY253P PDF预览

TNY253P

更新时间: 2024-02-28 05:01:43
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 498K
描述
TinySwitch Family Energy Efficient, Low Power Off-line Switchers

TNY253P 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, DIP8,.3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:8.35Samacsys Confidence:3
Samacsys Status:Released2D Presentation:https://componentsearchengine.com/2D/0T/3256973.1.1.png
Schematic Symbol:https://componentsearchengine.com/symbol.php?partID=3256973PCB Footprint:https://componentsearchengine.com/footprint.php?partID=3256973
3D View:https://componentsearchengine.com/viewer/3D.php?partID=3256973Samacsys PartID:3256973
Samacsys Image:https://componentsearchengine.com/Images/9/TNY253PN.jpgSamacsys Thumbnail Image:https://componentsearchengine.com/Thumbnails/1/TNY253PN.jpg
Samacsys Pin Count:8Samacsys Part Category:Power Supply
Samacsys Package Category:Dual-In-Line PackagesSamacsys Footprint Name:PDIP-8
Samacsys Released Date:2020-03-31 06:02:24Is Samacsys:N
模拟集成电路 - 其他类型:SWITCHING REGULATORJESD-30 代码:R-PDIP-T8
JESD-609代码:e3长度:9.59 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:0.4 A封装主体材料:PLASTIC/EPOXY
封装代码:DIP封装等效代码:DIP8,.3
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
座面最大高度:4.45 mm子类别:Power Management Circuits
最大供电电流 (Isup):0.2 mA表面贴装:NO
切换器配置:SINGLE最大切换频率:48 kHz
温度等级:AUTOMOTIVE端子面层: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

TNY253P 数据手册

 浏览型号TNY253P的Datasheet PDF文件第3页浏览型号TNY253P的Datasheet PDF文件第4页浏览型号TNY253P的Datasheet PDF文件第5页浏览型号TNY253P的Datasheet PDF文件第7页浏览型号TNY253P的Datasheet PDF文件第8页浏览型号TNY253P的Datasheet PDF文件第9页 
TNY253/254/255  
D1  
1N4934  
L1  
15 µH  
T1  
1
4
10  
+
+ 7.5 V  
RTN  
C4  
330 µF  
10 V  
C5  
47 µF  
10 V  
8
Optional  
TinySwitch  
EN  
R1  
100 Ω  
1/2 W  
U2  
SFH615-2  
D
S
DC IN  
120-375 VDC  
C1  
0.01 µF  
1 kV  
U1  
TNY253P  
BP  
R2  
1 kΩ  
C3  
C2  
0.1 µF  
56 pF  
1 kV  
VR1  
1N5235B  
C6  
680 pF  
Y1 Safety  
PI-2246-082898  
Figure 9. 1.3 W TV Stand-by Circuit using TNY253.  
D2  
SB540  
L1  
10 µH  
T1  
1
4
10  
8
+ 5 V  
C2  
4700 pF  
1 kV  
R1  
150 kΩ  
1 W  
C4  
2700 µF  
6.3 V  
C5  
220 µF  
10 V  
RTN  
D1  
1N4937  
TinySwitch  
D
S
EN  
Optional  
U1  
TNY255P  
BP  
C1  
0.01 µF  
1 kV  
R2  
68 Ω  
U2  
LTV817  
240-375  
VDC  
C3  
0.1 µF  
VR1  
1N5229B  
PI-2242-082898  
Figure 10. 10 W PC Stand-by Supply Circuit.  
PC Standby  
with the integrated high voltage MOSFET inside the TNY255.  
The diode D1, capacitor C2 and resistor R1 comprise the clamp  
circuit that limits the turn-off voltage spike on the TinySwitch  
DRAIN pin to a safe value. The secondary winding is rectified  
and filtered by D2 and C4 to provide the 5V ouput. Additional  
filtering is provided by L1 and C5. The output voltage is  
determined by the sum of the optocoupler U2 LED forward  
drop (~ 1V) and Zener diode VR1 voltage. The resistor R2,  
maintains a bias current through the Zener to improve its  
voltage tolerance.  
TheTNY255wasdesignedspecificallyforapplicationssuchas  
PC standby, which require up to 10W of power from 230VAC  
or 100/115VAC with doubler circuit. The TNY255 operates at  
130kHz as opposed to 44kHz for TNY253/254. The higher  
frequency operation allows the use of a low cost EE16 core  
transformer up to the 10W level. Figure10 shows a 5V, 10W  
circuit for such an application. The circuit operates from the  
high voltage DC supply already available from the main power  
supply. Capacitor C1 filters the high voltage DC supply, and is  
necessary only if there is a long trace length from the source of  
the DC supply to the inputs of the PC standby circuit. The high  
voltage DC bus is applied to the primary winding of T1 in series  
Cellular Phone Charger  
The TinySwitch is well suited for applications that require a  
C
6
7/01  

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