下图中的(de)(de)电(dian)路不(bu)(bu)难在面(mian)包(bao)板上(shang)(shang)搭出来(lai)，最(zui)好(hao)把功(gong)率(lv)器(qi)件（PROFET或MOSFET）单(dan)独放(fang)在...下图中的(de)(de)电(dian)路不(bu)(bu)难在面(mian)包(bao)板上(shang)(shang)搭出来(lai)，最(zui)好(hao)把功(gong)率(lv)器(qi)件（PROFET或MOSFET）单(dan)独放(fang)在一块板上(shang)(shang)，并配上(shang)(shang)散热器(qi)。看看后面(mian)的(de)(de)实物电(dian)路照(zhao)片，功(gong)率(lv)器(qi)件必须要和供(gong)电(dian)电(dian)源或者蓄...
在PWM控(kong)制(zhi)(zhi)芯片及其它电(dian)源(yuan)控(kong)制(zhi)(zhi)器(qi)的(de)内部，集成(cheng)了(le)用(yong)于驱(qu)动(dong)功率MOSFET的(de)Totem图(tu)腾柱(zhu)...在PWM控(kong)制(zhi)(zhi)芯片及其它电(dian)源(yuan)控(kong)制(zhi)(zhi)器(qi)的(de)内部，集成(cheng)了(le)用(yong)于驱(qu)动(dong)功率MOSFET的(de)Totem图(tu)腾柱(zhu)驱(qu)动(dong)器(qi)，最简(jian)单的(de)图(tu)腾柱(zhu)驱(qu)动(dong)器(qi)如图(tu)1所(suo)示，由(you)一(yi)个NPN三(san)极管(guan)(guan)和一(yi)个PNP三(san)极管(guan)(guan)对管(guan)(guan)组成(cheng)...
KNX7606A是(shi)性(xing)能最(zui)(zui)高的(de)N沟道mosfet，为大多数同(tong)步buck变换器(qi)提(ti)供优良的(de)RDSON和栅...KNX7606A是(shi)性(xing)能最(zui)(zui)高的(de)N沟道mosfet，为大多数同(tong)步buck变换器(qi)提(ti)供优良的(de)RDSON和栅极电荷，KNX7606A符合RoHS和绿(lv)色(se)产品要求。
控制(zhi)电(dian)源开关(guan)(guan)的输(shu)入(ru)信号 Control 为(wei)低(di)(di)电(dian)平(ping)(ping)或高阻(zu)时，三极管Q2的基极被(bei)拉(la)低(di)(di)到(dao)地...控制(zhi)电(dian)源开关(guan)(guan)的输(shu)入(ru)信号 Control 为(wei)低(di)(di)电(dian)平(ping)(ping)或高阻(zu)时，三极管Q2的基极被(bei)拉(la)低(di)(di)到(dao)地，为(wei)低(di)(di)电(dian)平(ping)(ping)，Q2不(bu)(bu)导通(tong)，进而(er)MOS管Q1的Vgs = 0，MOS管Q1不(bu)(bu)导通(tong)，+5V_OUT 无输(shu)出。电(dian)阻(zu)...
让(rang)MOS管(guan)工作在放(fang)大(da)区(qu),通(tong)过Vgs电(dian)压(ya)控(kong)制lds电(dian)流,前端(duan)将PWM波(bo)(bo)转换成可(ke)调(diao)电(dian)压(ya),控(kong)制...让(rang)MOS管(guan)工作在放(fang)大(da)区(qu),通(tong)过Vgs电(dian)压(ya)控(kong)制lds电(dian)流,前端(duan)将PWM波(bo)(bo)转换成可(ke)调(diao)电(dian)压(ya),控(kong)制BJT后级压(ya)降。 ( P沟道是(shi)箭(jian)头向里(li), N沟道是(shi)箭(jian)头向外)
NPN:基(ji)极(ji)(ji)（B）接(jie)10K电(dian)(dian)(dian)阻(zu)到(dao)TTL电(dian)(dian)(dian)平(ping)，射(she)极(ji)(ji)（E）接(jie)地，集电(dian)(dian)(dian)极(ji)(ji)（C）接(jie)10K电(dian)(dian)(dian)阻(zu)到(dao)电(dian)(dian)(dian)源...NPN:基(ji)极(ji)(ji)（B）接(jie)10K电(dian)(dian)(dian)阻(zu)到(dao)TTL电(dian)(dian)(dian)平(ping)，射(she)极(ji)(ji)（E）接(jie)地，集电(dian)(dian)(dian)极(ji)(ji)（C）接(jie)10K电(dian)(dian)(dian)阻(zu)到(dao)电(dian)(dian)(dian)源输入(ru)（Vin）。 PMOS：源极(ji)(ji)（S）接(jie)电(dian)(dian)(dian)源输入(ru)（Vin），栅极(ji)(ji)（G）接(jie)NPN的集电(dian)(dian)(dian)极(ji)(ji)(C)，漏(lou)...
