半导体元器件介绍

1、2022-4-27BEL training seminar1半导体元器件介绍及选择半导体元器件介绍及选择Prepared By: May ChenDate:2009-7-15选择器件基本要点电气性能封装 功耗工作温度及电性能随温度的变化器件离散性无铅器件优选BEL库中已有器件首选厂家 Project filesMaster BomKey Components listProject filesMaster BomBel Power Preferred Vendor List-2008.xls选择器件基本要点常用半导体器件种类 Diode Zener Transistor Mosfet OPTO

2、-Coupler Logic component OP-AMPComparator PWM Controller Microcontroller Driver Voltage Referance LDO Frequency Generator Diode 介绍 Diode Zener Transistor Mosfet OPTO-Coupler Logic component OP-AMP ComparatorPWM Controller Microcontroller Driver Voltage Referance LDO Frequency Generator Diode 介绍关键电气性

3、能参数：正向压降 VF正向电流 IF反向压降 VR反向恢复时间 Trr反向恢复电荷 Qrr功耗Diode 介绍应用场合：副边整流管辅助源信号回路驱动回路Diode 介绍Zener 介绍 Diode Zener Transistor Mosfet OPTO-Coupler Logic component OP-AMP ComparatorPWM Controller Microcontroller Driver Voltage Referance LDO Frequency Generator Zener 介绍关键电气性能参数：反向稳定压降 VZ反向电流 IZT正向压降 VF正向电流 IF功耗应

4、用场合：辅助源驱动回路Zener 介绍常用封装：SOD系列及SOT-23Zener 介绍Transistor 介绍 Diode Zener Transistor Mosfet OPTO-Coupler Logic component OP-AMP ComparatorPWM Controller Microcontroller Driver Voltage Referance LDO Frequency Generator Transistor 介绍关键电气性能参数：NPN管or PNP管集电级发射级击穿电压 Vceo集电级电流 Ic功耗集电级发射级饱和电压 VCE(sat)集电极漏电流频率特

5、性Transistor 介绍应用场合：辅助源信号回路功率计算公式：P = Vbe * Ib + Vce * IcMosfet 介绍 Diode Zener Transistor Mosfet OPTO-Coupler Logic component OP-AMP ComparatorPWM Controller Microcontroller Driver Voltage Referance LDO Frequency Generator Mosfet 介绍关键电气性能参数：P沟道管or N沟道管漏源级击穿电压 VDS门级漏级击穿电压 VGS漏源级饱和导通电阻 RDS(on)漏级电流 ID功耗

6、门级电荷 QgOPTO-Coupler介绍 Diode Zener Transistor Mosfet OPTO-Coupler Logic component OP-AMP ComparatorPWM Controller Microcontroller Driver Voltage Referance LDO Frequency Generator OPTO-Coupler介绍关键电气性能参数：变换比例 CTR集电级发射级电压 Vceo二极管正向导通电流 IF功耗温度原副边隔离电压 VISOOPTO-Coupler介绍应用场合：原副边信号传递常用封装： SOP-4Logic compone

7、nt介绍 Diode Zener Transistor Mosfet OPTO-Coupler Logic component OP-AMP ComparatorPWM Controller Microcontroller Driver Voltage Referance LDO Frequency Generator Logic component介绍关键电气性能参数：逻辑关系 Function Table供电电压输出电压范围 常用封装：MICORPAK8、SC70-5、SOT353-5、US8OP-AMP介绍 Diode Zener Transistor Mosfet OPTO-Coupl

8、er Logic component OP-AMP ComparatorPWM Controller Microcontroller Driver Voltage Referance LDO Frequency Generator OP-AMP介绍关键电气性能参数：供电电压频率特性 带宽输出电压范围 增益 m、Gm转换速度 SROP-AMP介绍应用场合：反馈回路误差信号放大用作比较器电路用作保护电路常用封装：MSO-8、SC70-5、SO-8、SOT23-5、TSSOP-14Comparator介绍 Diode Zener Transistor Mosfet OPTO-Coupler Logi

9、c component OP-AMP ComparatorPWM Controller Microcontroller Driver Voltage Referance LDO Frequency Generator Comparator介绍关键电气性能参数：供电电压输出电压范围 功耗常用封装：MSO-8，SC70-5，SO-8，SOT23-5，TSSOP-14PWM Controller介绍 Diode Zener Transistor Mosfet OPTO-Coupler Logic component OP-AMP ComparatorPWM Controller Microcontr

10、oller Driver Voltage Referance LDO Frequency Generator PWM Controller介绍关键电气性能参数：供电电压应用于哪一类电路拓扑闭环调节原理集成哪些保护功能 是否集成驱动功能是否可编程、可通讯Microcontroller介绍 Diode Zener Transistor Mosfet OPTO-Coupler Logic component OP-AMP ComparatorPWM Controller Microcontroller Driver Voltage Referance LDO Frequency Generator

11、Microcontroller介绍关键电气性能参数：I/O端口数量PWM波输出存储器大小比较器数量 常用封装：QFN系列、SO-8、SOT23-6、TSSOP-14、SSOP20Driver介绍 Diode Zener Transistor Mosfet OPTO-Coupler Logic component OP-AMP ComparatorPWM Controller Microcontroller Driver Voltage Referance LDO Frequency Generator Driver介绍关键电气性能参数：供电电压应用于哪一类电路拓扑驱动电流、驱动电阻驱动逻辑静态

12、损耗功耗Voltage Referance介绍 Diode Zener Transistor Mosfet OPTO-Coupler Logic component OP-AMP ComparatorPWM Controller Microcontroller Driver Voltage Referance LDO Frequency Generator Voltage Referance介绍关键电气性能参数：稳定电压阴极电压 VZ阴极持续电流 IZ功耗 调节精度常用封装： SOT系列LDO介绍 Diode Zener Transistor Mosfet OPTO-Coupler Logic component OP-AMP ComparatorPWM Controller Micro