【选型】国产正负电压转换芯片MC34063S助力音响功放机正负压供电设计,可解决输出电压不可调等问题
在音响功放机中,经常会用到正负电源同时给运放供电,比如±5V,±12V,±15V等等。一般采用的方法有用隔离模块、线性变压器加上78XX与79XX、电荷泵极性转换等,这些实现方案中缺点包括:成本较高、输出电压固定不可调等。
为解决如上设计痛点,本文推荐选用萨科微正负电压转换芯片MC34063S,采用SOP-8封装,可实现正压输入,任意负压输出转换,其工作频率可调100Hz~100KHz,内置功率三极管的最大电流为1.5A,支持输入电压范围3V~40V,且输入与输出电压的绝对值小于40V,其内部功能框图与管脚图参考如下图1所示。
图1:萨科微正负电压转换芯片MC34063S内部框图与管脚示意图
如图1所示内部的功率三极管没有与芯片的地相连,因此可以实现BUCK、BOOST、BUCK-BOOST等电路结构,而BUCK-BOOST是用来实现正负电压转换,且输出电压的绝对值可以小于、等于、或者大于输入电压,其相关典型电路应用见图2~4所示。
图2:利用萨科微正负电压转换芯片MC34063S实现5V转换-3.3V
图3:利用萨科微正负电压转换芯片MC34063S实现5V转换为-5V
图4:利用萨科微正负电压转换芯片MC34063S实现5V转换为-12V
电路工作原理如下:
其中L1为储能电感,L2为滤波电感,D1为续流二极管,U1的PIN1与PIN2为功率开关管集电极C和发射极E,R1为输入限流电阻,开关管导通L1储能,C3电容放电为负载提供能量;开关管关断,L1通过续流管D1为C3电容充电同时为负载提供能量,R2与R3用来调节输出电压。
仿真波形依次为VIN输入5V,输出-3.3V/100mA、-5V/100mA、-12V/100mA。
推荐理由如下:
1、在一定条件下,可以灵活地调节输出负压;
2、可扩展外置功率三极管,增大输出功率;
3、相比隔离模块方案,具有低成本优势,可提升客户产品竞争力;
最终选择萨科微MC34063S是可以满足使用要求,且萨科微MC34063具有良好的供货交期,可以快速支持样品和量产服务。
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目录- 公司介绍 碳化硅场效应管/碳化硅肖基特二极管/场效应管 超结场效应管/IGBT单管/可控硅 二极管 静电保护器件/瞬态抑制二极管 三极管/电源IC 运算放大器/达林顿晶体管阵列/整流桥/霍尔传感器 光耦/石英晶体谐振器
型号- 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SLKOR(萨科微)功率器件/二极管/三极管/电源管理芯片/霍尔传感器/光耦选型指南
目录- 公司简介 场效应管/IGBT单管 单向/双向可控硅 稳压二极管 三极管 运算放大器/达林顿晶体管阵列/整流桥 霍尔传感器 光耦 石英晶体谐振器
型号- BZT52C43S,SS110,MCR00-8,SMCJ440CA,SL11N65CF,MC34063S,ZMM200,PC817,SL2310,SL3400,SL1629SH,SL252030MXXX,RS1A,RS1M,DB107S,GBU4005,1N4148WS,SMF5.0CA,DSK32,SL40T120FL,SL1625SH,MMBT4401,LM317,SL36N120A,SL75T65FL,SL50328MXXX,MMSZ5259B,SL22N120A,SL2301,BT151,GBP210,SL2302,BT169D,SL49SM8M20P-20,1SMB5921B,SL1613SH,S2MF,SL49SM12M20P-20,2N7002,SL201624MXXX,BTA26-800,SL322540MXXX,S3AB,SL4949,GBU610,BFG520,SL252016MXXX,BZT52B2V4,BZT52B43,SL1605SH,ZM4727,1SMA4777A,SL1609SH,BTA41-800,GBU6005,SL21N65CF,SL25T120FL,BTA24-800,SD05C,SL4275,ULN2003,SL1613TH,ES2A,SS525,6N137,6N136,SL15N65CF,WE05DF-BS,ULN2803,BT138-800,2SC3357,SL78LXX,LM2575,6N135,ZMM2V0,LM2576,BZT52C2V4S,US1A,SMF5.0A,SMAJ170A,SL10N120A,S5MB,RS2A,RS2M,MMBT5551,US1M,SL80N120A,S8550,S2AF,SMBJ5.0C,M1,SS22,BSS123,M7,SS310,ABS210,MMBT3904,MMBT3906,SMF58CA,BT137-800,MM1Z39B,ABS201,SMCJ440A,SMAJ5.0CA,BTA12-600,BAV99,SS32,SMBJ5.0,SL1623SH,SMBJ170CA,SL201612MXXX,BSS138,SL322512MXXX,1SMB5956B,ES2J,FR101,SS12,SL3N170AP,1SS181,FR107,SMF58A,78MXX,SL50T65FL,SM15C,SL1619SH,LL4148,MM1Z2V2B,SMAJ5.0A,MMBTA05,SL14N120A,BC817,SS8050,DB201S,SL1615SH,S1A,LM321,S5AB,SMCJ5.0CA,DSK310,GBU410,SS210,BCP51,SL40T65FL,BCP53,S8050,S1M,B772,SMBJ170A,SL28N65A,MMBT2222A,SLM601,BTA16-800,AMS1117-XX,ZM4761,TL431,SS52,NUP2105LT1G,DB101S,SL322524MXXX,SL1603SH,IRF640,SD12C,S9013,GBP2005,SL3407,BZT52C39,SL7N65CD,SMCJ5.0A,BZT52C2V4,SL50N120A,S3MB,MMSZ5221B,SS8550,SL3415,SMAJ170CA,GBLC05CI,BAV21W,DB207S,LM358S,SL80N65CT,1SMA4728A
萨科微半导体领导者
描述- 资料详细介绍了深圳市萨科微半导体有限公司的产品和服务。公司专注于半导体领域,提供包括二极管、三极管、功率器件、电源管理芯片等在内的多种产品。产品广泛应用于智能手机、电脑、机器人、交通工具、智慧家居等行业。萨科微拥有国际领先的碳化硅MOSFET生产工艺,并拥有ISO9001质量管理体系和多项国际认证。公司致力于成为半导体领域的领导者。
型号- BTW69,MB10S,SL25T135FL,BTA26-1000,SL2306,SL2307,MB10F,SL2308,SMCJ440CA,SL2309,SL55X,SL40N60C,SL2310,SL2312,SL3400,SL54X,SL3402,SL3404,SL4614,RS1A,RS1M,SMF5.0CA,SS120F,SL13N50FS,MMBT4401,FMMT591,MMBT4403,SLESDL0603-24,LM317,2N5551,SL21814,WE07DF-B,MMSZ5259B,SL2016384MXXX,S2MB,SL2301,SL2302,SL53X,SL2305,1SMB5921B,BTB20-600,SL322526MXXX,SL25N10,S2MF,SLESD8D36V,SL252025MXXX,SL201624MXXX,SLESD5Z5.0C,SL201616MXXX,2SK3018W,SL4949,SS52BF,2SB1261,SL10N65F,ZM4727,2SB1132,1SMA4777A,SL1609SH,DB307S,SL8N65F,SL05N06A,GBLC15CI,2SA812,SLESD8D15V,FMMT493,FMMT491,SMDJ170A,WE05DF-BS,2SC3357,SL78LXX,SL1609SL,SMF5.0A,US1AF,SL12020BT,MMBZ5221B,MMDL914,SL1609TH,SL05N06Z,RS2A,SL42764,SL1609TL,SL53N65CT,SS320BF,SLESD5Z7V0,FMMT489,RS2M,UMB10F,MM5Z2V0,GBLC03CI,MMBT5401,BT136-600,SS22,LMV321,SF1006DS,SL403,2N5401,SL6520B,SL21867,KBL4005,SL12030BT,UMB1F,SMF58CA,SS32,SMBJ5.0,2SK3018,SMBJ170CA,KBL410,BTA60-1200,GBLC12CI,US2AB,SL322512MXXX,WE24DF-B,SS12,SL3N170AP,SL503224MXXX,US2AF,SMF58A,SL50T65FL,SL1619SH,SL322527MXXX,SL42744D,SL1619SL,SS210B,LM321,SLESDL0603-16,SL201632MXXX,GBU410,IRLML6401,BCP51,BCP53,BCP52,BCP55,BCP54,BZX84C43,BCP56,SL1619TH,SL2733,SL1619TL,SL52X,TL432,TL431,SS52,NUP2105LT1G,SL201625MXXX,SL49SM3579M20P-20,SL252026MXXX,BTA80-1200,SLESDL0603-05,BCP68,SL27211DR,SLESD8D3V3,MMSZ5221B,TL431B,SL49SM26M20P-20,F1A,TL431A,DB207S,GBLC24CI,SS220F,2N7002E,BT136-800,F1M,SL85XXX,SL4822A,SL76N60CT,MC34063S,PC817,SL2328A,SL18N50F,BT137-600,MMBZ5262B,SM24C,SM36C,LMV358,RS3AB,SL27531,SS310C,SS310B,DB107S,SM12C,DB301S,SL40T120FL,KBL610,SL40N65CF,SL80N65CTL,SL12005B,GBP4005,SL49SM25M20P-20,SL22N120A,SL002N02K,SLESD5Z24,SL27525,SL27524,MMDT2222A,SL27523,US2MF,SL503225MXXX,SL252024MXXX,US2MB,SLESD3B5CM,SL05N10A,SL12P03S,C945,US2A,BFG520,SL252016MXXX,SL322532MXXX,SL2319A,SL40N65CT,SLESD5Z36,GBU6005,SL9013MXXXX,RS2AF,SL73XX,US2M,SS320F,ULN2803,SD20C,2SB1197K,SL4409N,ZMM2V0,SL12015B,SLESD5.0U035,US1A,SL10N120A,BTA08-600,SL0501,SL8205S,SL75T65FL1,US1M,BAS316,2SD965A,SL80N120A,S8550,SMBJ5.0C,S6AC,M1,BSS123,SL0601,LM2904,M7,SLPESD15VL1BA,LM2902,GBP3005,SL2309A,SLPESD0402M07,BT137-800,MM1Z39B,SLESD9B5.0ST5G,SLPESD0402M05,SMCJ440A,SMAJ5.0CA,SLPESD0402M03,GBU8005,BTA12-600,SLPESD2CAN,SL27212,SM20C,RS5AB,SS520F,SL201630MXXX,MMDT3904,BSS138,BTA41-1600,FR101,MMDT3906,SL322525MXXX,SM4001PL,FR107,SMDJ5.0CA,BTA06-600,BZT52B51BS,SLPESD0402M18,SL322530MXXX,SL17010BT,SLPESD0402M16,WE12DF-B,SLPESD0402M12,SL15T65FL,MM5Z75,SMDJ5.0A,SL80N10,DB201S,SL54MXXXX,S1A,S5AC,SL12010B,2SD1624,S5AB,SL6206-XXMR,SMCJ5.0CA,B772,S1M,KBL6005,SMBJ170A,MMBT2222A,AMS1117-XX,SL75XX,SL322524MXXX,DB101S,GBP2005,S2A,BT138-600,2SC1815,SL10N10A,SLESD9B3.3S,SL4813A,S2M,SL002P02K,SL50N120A,SL9435A,SL4184,S10AC,SL80N65CT,1SMA4728A,BC857B,RS5MB,SLESD5Z15V,SL2005E,SL6508B,SL4264-2,ZMM200,MMDT2227,SL1625SL,SM08C,SL252030MXXX,SL20N10,GBU4005,SD03C,SD15C,SL1625SH,BC856B,BTA10-800,SL1625TL,SL306X,GBP210,BT169D,SL4284,SL4041,SL1625TH,SL1613SH,ABS2,BTA26-800,SS510B,ABS10,1N4001W,SS510C,SL6506B,S3AC,S3AB,KBP4005,2SC1623,2SC2712,SF1001DS,2SD1781,ES1JF,BZT52B43,1SS226,SL1613TL,SL305X,SS52F,SL27714,SL1002B,BTA41-800,SD05C,SL4275,SL1613TH,SS52B,SS52C,S10MC,SS525,BT138-800,SLESD2401QC,2SD1898,BZT52C2V4S,SL2333A,SL100N03,DSK220,SL40N60CF,D882,ES2JF,GBP310,SL3N06,SL304X,SLM511,SL10P04S,SL49SM24M20P-20,BT139-600,1SS355,SL4N65F,S2AF,SL503212MXXX,SL3401S,1N4148W,S2AB,C1815,BTA04-600,ABS210,MMBT3904,ES2JB,KBP2005,MMBT3906,SL9945,MAC97A8,SL78XX,SL1623SL,SL7888,SL303X,ABS201,MAC97A6,BAV99,SLM501,SL17025BT,SL2192,SLPESD0201M24,KBP210,BZT52B3V0BS,SL1623SH,RS1AF,BTA41-1200,SLESD5Z12V,MB1F,SL4407A,1SS181,BC848B,78MXX,SM15C,SS510BF,GBP410,SM03C,MB1S,SL-10XX,SL302X,LL4148,SLM611,SLPESD3V3L1BA,SL2181,SLESD5Z2V5,MMBTA05,SL1623TH,SMAJ5.0A,MMBTA06,SL20T65FH,SL2184,SL14N120A,SL1623TL,SL2186,BT131-600,BC847B,SLPESD12VL1BA,2SC2873,DSK310,SL40T65FL,ES3JC,S8050,ES3JB,BAV70,SL27519,MMBT2907,MCR100-8,BCX51,SL27517,BSN20,MMBD4148,BCX53,SL301X,BCX52,BCX55,SLM601,SM18C,SLESD5B5CU,BCX54,SLM600,SL322516MXXX,SL27511,BAV20W,BCX56,SL27211E,KBP310,SL7603PXXXX,SL2302M,SLESD8H5.0CT5G,SL6800C,IRF640,SL7N65CN,SLESD8D5.0C,SD12C,S9013,SD24C,S9014,S9015,BC846B,SL10N06A,S9012,SL7N65CF,BT139-800,KBP3005,SL7N65CD,MCR100-6,BZT52C2V4,SL7N65CI,SM05C,2N3904,SL3139,SL27624,SS8550,SMAJ170CA,US1MF,BAV21W,SL8820,S9018,2N3906,SD36C,MM3Z75,BZT52C43S,BTB10-600,MMBTA55,SLW611,RS1MF,SL3134K,SS110,SS32BF,SL11N65CD,1N4007W,SL11N65CF,SL6512B,SL252012MXXX,SL8052A,SL1629SH,MM1W3V3,SL1629SL,KBP410,SL20162712MXXX,SLPESD5V0L1BA,SS22B,1N4148WS,SL60T65FL,1N4148WT,MMBTA56,DSK32,SS22F,SLW601,MMBTA44,SM4007PL,SL6540BT,MMBTA42,SL49SM6M20P-20,SL252040MXXX,SL36N120A,SL12040BT,SL201626MXXX,SL50N06D,SL1629TH,SL50328MXXX,SL827,BT151,BT152,SL1629TL,SL49SM8M20P-20,SL49SM27M20P-20,SL826,DSK22,SL11N65CQ,SL49SM12M20P-20,SL49SM16M20P-20,SL49SM10M20P-20,S6MC,2N7002,M1F,SLPESD0201M05,MMBT6517,SL322540MXXX,GBLC08CI,2SC5824,2SC4617,SL2009,ES1K,GBU610,SL6510B,BZT52B2V4,SL12N65F,SL1605SH,ULN2001,SL2014,SL2015,SL2136,SL1605SL,MM1W330,BSS84,BZX84C2V4,MM3Z2V0,SL9193MXXXX,DSK12,BAW56,SL21N65C
单片集成电路LM2575S-5.0,具有高效率和小散热尺寸,适用于微控制器电源和医疗设备等领域
LM2575/6系列开关稳压器是一种功能强大的电源解决方案,在微控制器电源、医疗设备、工业电源和仪器仪表电源等领域都有广泛的应用。这些应用领域对电源的稳定性、可靠性和高效性要求较高,而LM2575S-5.0产品的特点正好能够满足这些需求。它的输出电压具有良好的线路、负载和温度稳定性,能够在复杂的环境条件下提供合适的电压输出。这对于需要高精度电源的应用领域非常重要。
萨科微半导体SLKO研发十多种产品系列,质量得到国内外客户广泛认可,已成为国产功率器件的知名品牌
萨科微近年来的发展是越发迅猛,产品系列多达十多种且对品质严格把控,产品质量得到了国内外客户的广泛认可,国内外产品销量与去年同比实现了翻番,现已成为功率器件国产替代的知名品牌,为越来越多的客户服务,产品远销国内外。
萨科微卖得好的DC/DC有哪些型号?LM2596S-5.0、MC34063A、LM2576S-5.0等
萨科微卖得好的DC/DC转换器型号有LM2596S-5.0、MC34063A、LM2576S-5.0、LM2575S-5.0、MC34063S、SY8120B、LM2596S-12等型号。
输入电压0~45V的开关稳压器LM2576S-3.3,采用TO-263-5封装,输出电流7.5mA
SLKOR推出LM2576S-3.3开关稳压器,输入电压范围为0V至45V,输出电压固定为3.3V,输出电流为7.5mA,开关频率为52kHz,封装为TO-263-5,适合许多应用场景,如微控制器电源、医疗设备、工业电源和仪器仪表电源等。
【IC】萨科微推出的MC34063S DC-DC电源芯片,VIN电压范围为40V,实现高效电源转换
SLKOR的DC-DC电源芯片MC34063S集成度高,内部集成多个关键模块,简化外部电路设计,减少元件数量和成本。其次,MC34063S的设计经过优化,具有较低的功耗和高效的转换效率,有助于延长电池寿命和降低功耗。
萨科微半导体推出SL40T120FL系列等新产品
最近萨科微推出SL40T120FL系列IGBT单管,和CMOS运算放大器SLA333等产品,为新能源汽车、太阳能光伏、交流电机、变频器、开关电源和工业伺服器行业客户服务。
MC34063 DC-DC转换器控制器
描述- MC34063是一款集成的DC到DC转换器控制器,适用于降压、升压或反相开关稳压器。它包含温度补偿的带隙参考电压源、占空比控制振荡器、驱动器和高电流输出开关。该器件可在3.0V至40V的电压范围内工作,具有短路电流限制、低待机电流等特点。
型号- MC34063D,MC34063S,MC34063
萨科微半导体持续加强技术研发,推出SLA333系列CMOS运算放大器等产品,助力半导体行业实现国产化替代
萨科微slkor将持续加强自身销售平台搭建,不断开发出新产品,在保持2022年高速发展良好态势的基础上,更加注重工作效率和经济效益的提升,积极开拓国内外半导体市场,让萨科微成为“国产半导体企业领导者”的愿景,真正成为现实。
SLKOR SL44E-9 High-performance Hall Sensor with a Working Voltage of up to 60V and IDD Current of 40mA
The SL44E-9 can withstand a working voltage of up to 60V, allowing it to operate stably under a wider range of power conditions, such as high-voltage grid monitoring, electric vehicle charging stations, or other high-voltage applications. Its static current of 40mA balances power consumption and performance requirements.
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加工精度:精密平面磨床正负0.002;铣床正负0.02,ZNC放电正负0.01。CNC加工材料:铝、钢、聚合物等材料。专注于半导体行业、医疗器械、汽车行业、新能源行业、信息技术行业零部件加工。
最小起订量: 1个 提交需求>
可定制变压器电压最高4.5KV,高频30MHz;支持平面变压器、平板变压器、OBC变压器、DCDC变压器、PLC信号变压器、3D电源、电流变压器、反激变压器、直流直流变压器、车载充电器变压器、门极驱动变压器等产品定制。
最小起订量: 100000 提交需求>
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