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TNY265GN-TL PDF预览

TNY265GN-TL

更新时间： 2024-01-25 00:53:26
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
24页 1202K
描述
Enhanced, Energy Efficient, Low Power Off-line Switcher

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TNY265GN-TL 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,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：7.65Is Samacsys：N
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
控制模式：CURRENT-MODE控制技术：PULSE WIDTH MODULATION
JESD-30 代码：R-PDIP-T7JESD-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：0.44 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：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 mm
Base Number Matches：1

TNY265GN-TL 数据手册

 浏览型号TNY265GN-TL的Datasheet PDF文件第2页浏览型号TNY265GN-TL的Datasheet PDF文件第3页浏览型号TNY265GN-TL的Datasheet PDF文件第4页浏览型号TNY265GN-TL的Datasheet PDF文件第6页浏览型号TNY265GN-TL的Datasheet PDF文件第7页浏览型号TNY265GN-TL的Datasheet PDF文件第8页 
TNY263-268  
the SOURCE pin. The optocoupler LED is connected in series  
withaZenerdiodeacrosstheDCoutputvoltagetoberegulated.  
When the output voltage exceeds the target regulation voltage  
level (optocoupler LED voltage drop plus Zener voltage), the  
optocoupler LED will start to conduct, pulling the EN/UV pin  
low. The Zener diode can be replaced by a TL431 reference  
circuit for improved accuracy.  
the beginning of each clock cycle, it samples the EN/UV pin to  
decide whether or not to implement a switch cycle, and based  
on the sequence of samples over multiple cycles, it determines  
the appropriate current limit. At high loads, when the EN/UV  
pin is high (less than 240 µA out of the pin), a switching cycle  
with the full current limit occurs.At lighterloads, when EN/UV  
is high, a switching cycle with a reduced current limit occurs.  
ON/OFF Operation with Current Limit State Machine  
The internal clock of the TinySwitch-II runs all the time. At  
Atnearmaximumload,TinySwitch-IIwillconductduringnearly  
all of its clock cycles (Figure 6). At slightly lower load, it will  
“skip” additional cycles in order to maintain voltage regulation  
at the power supply output (Figure 7). At medium loads, cycles  
will be skipped and the current limit will be reduced (Figure 8).  
Atverylightloads,thecurrentlimitwillbereducedevenfurther  
(Figure 9). Only a small percentage of cycles will occur to  
satisfy the power consumption of the power supply.  
V
EN  
CLOCK  
TheresponsetimeoftheTinySwitch-IION/OFFcontrolscheme  
is very fast compared to normal PWM control. This provides  
tight regulation and excellent transient response.  
D
MAX  
I
Power Up/Down  
DRAIN  
The TinySwitch-II requires only a 0.1 µF capacitor on the  
BYPASS pin. Because of its small size, the time to charge this  
capacitoriskepttoanabsoluteminimum, typically0.6ms. Due  
tothefastnatureoftheON/OFFfeedback, thereisnoovershoot  
at the power supply output. When an external resistor (2 MΩ)  
is connected from the positive DC input to the EN/UV pin, the  
powerMOSFETswitchingwillbedelayedduringpower-upuntil  
the DC line voltage exceeds the threshold (100 V). Figures 10  
and 11 show the power-up timing waveform of TinySwitch-II  
in applications with and without an external resistor (2 MΩ)  
connected to the EN/UV pin.  
V
DRAIN  
PI-2749-050301  
Figure 6. TinySwitch-II Operation at Near Maximum Loading.  
V
V
EN  
EN  
CLOCK  
CLOCK  
D
D
MAX  
MAX  
I
I
DRAIN  
DRAIN  
V
DRAIN  
V
DRAIN  
PI-2667-090700  
PI-2377-091100  
Figure 8. TinySwitch-II Operation at Medium Loading.  
Figure 7. TinySwitch-II Operation at Moderately Heavy Loading.  
G
4/05  
5
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