2/1/2023BELtrainingseminar1半導(dǎo)體元器件介紹及選擇PreparedBy:MayChenDate:2009-7-15選擇器件基本要點(diǎn)電氣性能封裝功耗工作溫度及電性能隨溫度的變化器件離散性無(wú)鉛器件優(yōu)選BEL庫(kù)中已有器件首選廠家\\Projectfiles\MasterBom\KeyComponentslist\\Projectfiles\MasterBom\BelPowerPreferredVendorList-2008.xls選擇器件基本要點(diǎn)常用半導(dǎo)體器件種類(lèi)

DiodeZenerTransistorMosfetOPTO-CouplerLogiccomponentOP-AMPComparatorPWMControllerMicrocontrollerDriverVoltageReferanceLDOFrequencyGeneratorDiode介紹

DiodeZenerTransistorMosfetOPTO-CouplerLogiccomponentOP-AMP

ComparatorPWMControllerMicrocontrollerDriverVoltageReferanceLDOFrequencyGeneratorDiode介紹關(guān)鍵電氣性能參數(shù)：正向壓降VF正向電流IF反向壓降VR反向恢復(fù)時(shí)間Trr反向恢復(fù)電荷Qrr功耗Diode介紹應(yīng)用場(chǎng)合：副邊整流管輔助源信號(hào)回路驅(qū)動(dòng)回路Diode介紹Zener介紹

Diode

ZenerTransistorMosfetOPTO-CouplerLogiccomponentOP-AMP

ComparatorPWMControllerMicrocontrollerDriverVoltageReferanceLDOFrequencyGeneratorZener介紹關(guān)鍵電氣性能參數(shù)：反向穩(wěn)定壓降VZ反向電流IZT正向壓降VF正向電流IF功耗應(yīng)用場(chǎng)合：輔助源驅(qū)動(dòng)回路Zener介紹常用封裝：SOD系列及SOT-23Zener介紹Transistor介紹

DiodeZenerTransistorMosfetOPTO-CouplerLogiccomponentOP-AMP

ComparatorPWMControllerMicrocontrollerDriverVoltageReferanceLDOFrequencyGeneratorTransistor介紹關(guān)鍵電氣性能參數(shù)：NPN管orPNP管集電級(jí)發(fā)射級(jí)擊穿電壓Vceo集電級(jí)電流Ic功耗集電級(jí)發(fā)射級(jí)飽和電壓VCE(sat)集電極漏電流頻率特性Transistor介紹應(yīng)用場(chǎng)合：輔助源信號(hào)回路功率計(jì)算公式：P=Vbe*Ib+Vce*IcMosfet介紹

DiodeZenerTransistorMosfetOPTO-CouplerLogiccomponentOP-AMP

ComparatorPWMControllerMicrocontrollerDriverVoltageReferanceLDOFrequencyGeneratorMosfet介紹關(guān)鍵電氣性能參數(shù)：P溝道管orN溝道管漏源級(jí)擊穿電壓VDS門(mén)級(jí)漏級(jí)擊穿電壓VGS漏源級(jí)飽和導(dǎo)通電阻RDS(on)漏級(jí)電流ID功耗門(mén)級(jí)電荷QgOPTO-Coupler介紹

DiodeZenerTransistorMosfetOPTO-CouplerLogiccomponentOP-AMP

ComparatorPWMControllerMicrocontrollerDriverVoltageReferanceLDOFrequencyGeneratorOPTO-Coupler介紹關(guān)鍵電氣性能參數(shù)：變換比例CTR集電級(jí)發(fā)射級(jí)電壓Vceo二極管正向?qū)娏鱅F功耗溫度原副邊隔離電壓VISOOPTO-Coupler介紹應(yīng)用場(chǎng)合：原副邊信號(hào)傳遞常用封裝：SOP-4Logiccomponent介紹

DiodeZenerTransistorMosfetOPTO-CouplerLogiccomponentOP-AMP

ComparatorPWMControllerMicrocontrollerDriverVoltageReferanceLDOFrequencyGeneratorLogiccomponent介紹關(guān)鍵電氣性能參數(shù)：邏輯關(guān)系FunctionTable供電電壓輸出電壓范圍常用封裝：MICORPAK8、SC70-5、SOT353-5、US8OP-AMP介紹

DiodeZenerTransistorMosfetOPTO-CouplerLogiccomponentOP-AMP

ComparatorPWMControllerMicrocontrollerDriverVoltageReferanceLDOFrequencyGeneratorOP-AMP介紹關(guān)鍵電氣性能參數(shù)：供電電壓頻率特性帶寬輸出電壓范圍增益Φm、Gm轉(zhuǎn)換速度SROP-AMP介紹應(yīng)用場(chǎng)合：反饋回路誤差信號(hào)放大用作比較器電路用作保護(hù)電路常用封裝：MSO-8、SC70-5、SO-8、SOT23-5、TSSOP-14Comparator介紹

DiodeZenerTransistorMosfetOPTO-CouplerLogiccomponentOP-AMP

ComparatorPWMControllerMicrocontrollerDriverVoltageReferanceLDOFrequencyGeneratorComparator介紹關(guān)鍵電氣性能參數(shù)：供電電壓輸出電壓范圍功耗常用封裝：MSO-8，SC70-5，SO-8，SOT23-5，TSSOP-14PWMController介紹

DiodeZenerTransistorMosfetOPTO-CouplerLogiccomponentOP-AMP

ComparatorPWMController

MicrocontrollerDriverVoltageReferanceLDOFrequencyGeneratorPWMController介紹關(guān)鍵電氣性能參數(shù)：供電電壓應(yīng)用于哪一類(lèi)電路拓?fù)溟]環(huán)調(diào)節(jié)原理集成哪些保護(hù)功能是否集成驅(qū)動(dòng)功能是否可編程、可通訊Microcontroller介紹

DiodeZenerTransistorMosfetOPTO-CouplerLogiccomponentOP-AMP

ComparatorPWMControllerMicrocontrollerDriverVoltageReferanceLDOFrequencyGeneratorMicrocontroller介紹關(guān)鍵電氣性能參數(shù)：I/O端口數(shù)量PWM波輸出存儲(chǔ)器大小比較器數(shù)量常用封裝：QFN系列、SO-8、SOT23-6、TSSOP-14、SSOP20Driver介紹

DiodeZenerTransistorMosfetOPTO-CouplerLogiccomponentOP-AMP

ComparatorPWMControllerMicrocontrollerDriverVoltageReferanceLDOFrequencyGeneratorDriver介紹關(guān)鍵電氣性能參數(shù)：供電電壓應(yīng)用于哪一類(lèi)電路拓?fù)潋?qū)動(dòng)電流、驅(qū)動(dòng)電阻驅(qū)動(dòng)邏輯靜態(tài)損耗功耗VoltageReferance介紹

DiodeZenerTransistorMosfetOPTO-CouplerLogiccomponentOP-AMP

ComparatorPWMControllerMicrocontrollerDriverVoltageReferanceLDOFrequencyGeneratorVoltageReferance介紹關(guān)鍵電氣性能參數(shù)：穩(wěn)定電壓陰極電壓VZ陰極持續(xù)電流IZ功耗調(diào)節(jié)精度常用封裝：SOT系列LDO介紹

DiodeZenerTransistorMosfetOPTO-CouplerLogiccomponentOP-AMP

ComparatorPWMController