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PCB相关 IC封裝製程簡介(IC封装制程简介)
半導體的產品很多，應用的場合非常廣泛，圖一是常見的幾種半導體元件外型。半導體元件一般是以接腳形式或外型來劃分類別，圖一中不同類別的英文縮寫名稱原文為
 
PDID：Plastic Dual Inline Package
SOP：Small Outline Package
SOJ：Small Outline J-Lead Package
PLCC：Plastic Leaded Chip Carrier
QFP：Quad Fla ...
电源技术 DS7273-PMU chip
RT7273是一颗完全跟TPS65251 PIN TO PIN 替换料号,一路进三路出,输出电流可以做到3A/2A/2A;如有需求请联系我：021-54262182 EXT 114(Eric) QQ：1187337351
电源技术 R7732_3_5 AC TO DC PWM Control chip
R7732_7733_7735是Richpower公司推出的高效AC TO DC 电源PWM控制芯片,最大功率可以做到75W;如有需求请联系我电话：021-54262182EXT 114 (Eric) QQ ：1187337351
电源技术 电源调整与虚拟地
Abstract: Rail splitting is creating an artificial virtual ground as a reference voltage. It is used to set the signalto match the op amp's "sweet spot." An op amp has the most linear- and distortion-free qualities at that sweetspot. Typically, the sweet spot occurs near the center between the ...
电源技术 降压升压型控制器简化手持式产品的DC/DC转换器设计
 
A number of conventional solutions have been available forthe design of a DC/DC converter where the output voltageis within the input voltage range—a common scenarioin Li-Ion battery-powered applications—but none werevery attractive until now. Conventional topologies, suchas S ...
电源技术 跟踪和排序功能的紧凑型双通道降压转换器
 
Typical industrial and automotive applications requiremultiple high current, low voltage power supply solutionsto drive everything from disc drives to microprocessors.For many of these applications, particularly thosethat have size constraints, the LT3501® dual step-downconverter is a ...
电源技术 DN442 I2C可控降压紧凑型同步DC/DC稳压器
 
The LTC®3562 quad output step-down regulator is designedfor multicore handheld microprocessor applications thatoperate from a single Li-Ion battery. Its four monolithic, higheffi ciency buck regulators support Intel’s mobile CPU P-Stateand C-State energy saving operating modes. ...
电源技术 两相同步降压型控制器具有轻负载逐级递减模式
 
Today’s computer, datacom, and telecom systems demandpower supplies that are effi cient, respond quicklyto load transients and accurately regulate the voltageat the load. For example, load current can be measuredby using the inductor DCR, thus eliminating the needfor a dedicated sen ...
电源技术 DN445微型模块LED驱动器
 
Once relegated to the hinterlands of low cost indicatorlights, the LED is again in the spotlight of the lightingworld. LED lighting is now ubiquitous, from car headlightsto USB-powered lava lamps. Car headlights exemplifyapplications that capitalize on the LED’s clear advantages&mda ...
电源技术 自举偏置高输入电压降压型控制器
 
High voltage buck DC/DC controllers such as the LTC3890(dual output) and LTC3891 (single output) are popular inautomotive applications due to their extremely wide 4V to60V input voltage range, eliminating the need for a snubberand voltage suppression circuitry. These controllersare also w ...