Shikues‘ Control IC UC3845 Series is Specified for Operation from -30℃ to 85℃, Ideal for Offline Power Supplies and DC-DC Applications

时间： 2023-05-09 来源：Shikues News

技术问答

The UC3845 control IC provides the functions necessary to implement offline or DC-to-DC fixed frequency current mode control schemes with a minimum number of external components.

Internally implemented circuitry includes an undervoltage lockout (UVLO) characterized by a start-up current of less than 1 mA and a precision reference trimmed precisely at the error amplifier input.

Other internal circuitry includes logic to ensure latched operation, a pulse-width modulation (PWM) comparator to provide current-limit control, and a totem-pole output stage to source or sink peak currents. The output stage is low in the off-state and is suitable for driving n-channel MOSFETs. The UC3845 offers a variety of package options, temperature range options, maximum duty cycle options, turn-on and turn-off thresholds, and hysteresis range options.

Devices with higher turn-on or turn-off hysteresis are ideal for offline power supplies, while devices with narrower hysteresis ranges are suitable for DC-DC applications. The UC3845 series is specified for operation from -30℃ to 85℃.

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目录- 品牌介绍产品封裝尺寸

型号- 1SMA5952BG,SMAJ6.0CA,SMAJ40CA,MMBZ5258B,1SMA4749AG,S2MW,SMF10CA,SD15,SD12,SKIS40N120-T7,SD18,HD04,RS3BBG,RS3BBF,HD06,HD08,MMBZ5259B,ES2JBG,ES2JBF,SD05,SD03,BAV23A V0,HD10,SMCJ14CA,S2MF,S2MG,RS3BCG,MMBZ5256B,2SB1260,SMDJ78AG,SD36,SMCJ100CA,SS320CG,SK2301AAVP,SMBJ300A,SMBJ150CA,SMF120CA,BZT52C8V2,MMBD2838,MMBD2836,SMAJ70A,SD20,MMBZ5257B,SD24,SMDJ51CAG,SS320BF,SS320BG,SK210WA,MBRD10100,SMCJ30A,SK32CG,BAS40H,BC847PN,2SA1036,2SA1037,SKM34-AS,SF501DS,SMDJ160AG,KBP3005-S5.5,SMDJ150CAG,RB520G-30,FMB4SK,1SMAF4749A,GBLC12CI,SK05N65B-TF,SK7808A,SMAJ100A,SK20N08RL-TF,BAT46WS,MBRF40150AT,SS210G,BAS40W,SS210F,BAS40T,SK7809A,SK7805A,MB320S,SMBJ400CA,MM3Z8V2,SMF36CA,SC1405,MBRD10150,SMDJ75CAG,MB320F,SK7805U,SM240C,P6SMB51CA,1SMAF4747A,SC1404,MBR10100CTF,SK7806A,MSB20K,MSB20J,MSB20M,SMCJ220CA,A733,MM5Z4V7,MM5Z56V,1SMA4736AG,MM5Z4V3,MUR1620CTF,MSB20G,MSB20B,1SMAF4748A,MSB20D,1SMB5946BG,MM5Z3V6B,MM5Z51V,1SMA4771AG,MMBZ5250B,SM36C,1SS400,P6SMB16A,2SC5053,1SMAF4745A,SMAJ18CA,MBR20100CT,LUM4B,1SMA5921BG,SRABS20M,SRABS20J,SRABS20K,SK7536-1,MMBZ5251B,P6SMB15A,1SMAF4746A,SK58CG,LUM1B,UMB6SK,BAS70-06,MBR30200CTF,BAT760,BAS70-04,BAS70-05,1SMAF4743A,RS2AF,RS2AG,1SMB5933BG,MM5Z3V3B,P6SMB16CA,LUM2B,SMDJ14CAG,DS320W,SMBJ90A,SMF64A,SF305DS,SMBJ12CA,BZT52C3V9T,SS82CG,P6SMB13A,DMP3098L,B330AG,SKIS75N65-T7,SS212F,1SMAF4744A,SD101BWS,SK312WA,EABS26,SMBJ5.0A,1SMAF4741A,2SD1766,2SC2812,ES3EBF,ES3EBG,MMBZ5254B,SK10N03,P6SMB12A,SK10N06,SS520G,EABS22,MB6FK,EABS21,EABS24,SS520F,MM5Z3V9B,1SMAF4742A,KBP302-S.5.5,BZT52C3V3T,MBR30150CTF,MMBZ5255B,P6SMB10A,P6SMB11A,SMDJ26CAG,LUM8B,UMSB30B,SK7905AU,UMSB30K,P6SMB100CA,UMSB30J,UMSB30G,SM08,UMSB30D,SK4002WA,2SC2412K,BZT52C3V6T,UMSB30M,SK820CG,MMBZ5252B,PMV48XP,SS215G,SS215F,SDV301N3,SM12,Q-SSC0865,SMF60A,1SMAF4740A,ES2JLG,LUM6B,SK339AN,DTC114YCA,P6SMB82CA,SM05,PZT5551,SM03,P6SMB47CA,PXT8050,RS3KCG,SK338P,BZX84C5V6,P6SMB220CA,ESD3Z3V3BU,BZX84C5V1,SK32WA,RS2GF,RS2GG,SM36,SS512F,SS512G,SD15C,SMDJ16AG,SMF70A,SM18,ESD5L5.0C,ES3DCG,SF323DS,SMAJ48CA,SMBJ43CA,ESD5Z3.3L,SM24,MBRD3100,KBP301G,SM20,S3AF,1N4001W,SMCJ7.5A,SMAJ400A,2SC2712,2SD1664,SK336P,ES3DBF,2SC2714,MBR2060CTF,ES3DBG,KBP10G,BZT52B43,SS52F,SS52G,1N4001F,BC848CW,1N4001G,SMBJ18A,KBP302G,SS510F,SS510G,SK03N02DM,Q-SSC2090-T7,SMAJ300CA,SXT5401,RS2GW,FMB4FK,D882,1N4002G,FTB4FK,SK337N,1N4002F,1SMA4741AG,FTB4FT,MM3Z7V5B,RS2BW,BC848AW,KTA1298,SS315BG,1N4003F,SMBJ16A,SS315BF,SMBJ30CA,1SMA5947BG,SS1060CG,MMBTA14,1SMB5951BG,MMBTA13,S3BF,KDR367,1N4004W,BFG540XR,SMF110A,SK335N,SMAJ8.5CA,RS2AW,SMAJ180A,BC848BW,BZX84B2V7,1N4004G,SK05U45AAP,1N4004F,BZX84B2V4,SMBJ17A,SMF85CA,SK28BG,MMBTA05,MMBTA06,RS2BG,SMBJ120CA,RS2BF,SK10N65B-TF,2SC2757,MM5Z3V0B,RS2DW,SMDJ110CAG,SMBJ14A,P6SMB18A,1N4005F,SMBJ130A,BAR64-02,SD12C,SS515F,SS515G,2SD1802-T,S3DF,ES2ABG,ES2ABF,RS3KBG,KBP3005,RS3KBF,DTA143EE,SMBJ15A,SS315CG,SMAJ170CA,1N4006F,RS2DF,1SMA5934BG,RS2DG,MMBTA55,MB6SK,MMBT3904K,1N4007W,ES5BBG,MB310S,PZT2222A,SMBJ12A,MMBT3904W,ESD5B3CM,MMBT3904T,SMAJ6.0A,ES5BCG,MB310F,SMDJ54CAG,RSX101VA-30,KBP308G,1N4007F,1N4007G,MMBT3904M,SS58F,SS58G,MMBTA56,MMBTA43,MMBTA44,FDV303N,MMBTA42,2SC4505,SMCJ7.0A,BTA06A,SRF957,SMBJ13A,ES5BBF,S3GF,SK2371AA,SDI3068,BCX54-16,M28S,US3ACG,GBLC08CI,PXT8050A,SMCJ150A,SMDJ51AG,MM1W330,SMDJ8.5CAG,S3JF,SMAJ78A,SK14WA,1SMA5929BG,SK8810MF,US3ABG,ESD0502T5CU,US3ABF,SMBJ10A,SMBJ11A,BTA04A,SMAJ22CA,MURD560,SMCJ6.5CA,TB310S,SMAJ75A,SMCJ36A,US5GCG,RS2KF,MMBTA92,RS2KG,1SMB5929BG,SS54G,BZT52B22,BZT52B24,1SMA4754AG,SMF54CA,2SK1590,B360AG,BZT52B27,1N4448W,RS2KW,B5817WL,KBP304G,1SMB5914BG,P6SMB170A,SS510LCG,SS54F,B5817WS,BZT52B20,SMCJ45CA,US5GBF,US5GBG,RS2JG,DB205,MBR4045CTF,DB204,2SC4548,DB207,BZT52C7V5,B0520WS,RS2JF,DB206,FMSB20B,SBLC08CI,DB201,DB203,DB202,FMSB20M,BZT52B33,SMDJ78CAG,RS2JW,BZT52B36,2SD2170,B360BG,BZT52B39,SS8050W,MURD540,FMSB20D,FMSB20G,SD18C,MB315F,SS510LBG,S3KF,1SMA5916BG,FMSB20K,BZT52B30,FMSB20J,SMAJ6.5A,SMBJ440A,RS2MF,RS2MG,BZT52B4V3,SMCJ58CA,BZT52B4V7,1SMA4767AG,SF310DS,FTB4ST,RS2MW,KBP306G,SMCJ33A,SS56F,SS56G,PMEG3010ER,MBR10150CT,MMBTA63,BZT52B18,S6ACG,FTB4SK,BZT52B10,BZT52B11,SMDJ7.5AG,BZT52B12,2SD2150,BZT52B13,BZT52B15,BZT52B16,MURD520,S3MF,S3GCG,MBR3060CT,ESD0501CM,1SMB5927BG,MBR20200C-ST,GS1DG,SKM42A3729T-C,SK4003WA,MMBZ5246B,ESD0501CU,SMF6.0A,SD103AX,SD103AW,RB160M-40,2SD2098,MM3Z2V0B,MM3Z7V5,SK10N70B-TF,MM5Z47V,TL432A,1SMB5916BG,RB160M-30,S3GBF,RS10JCG,SMAJ60A,S3GBG,MM5Z3V9,LM317,SKGM18N65-T,MM5Z3V0,KDS160E,SMDJ20AG,SK28WA,MM5Z3V3,SMF22CA,MM5Z3V6,MBRD10200,SMCJ7.0CA,Q-SSC08120-T,SMCJ20A,SK2302A,S2DBF,1SMA5951BG,SKR1GWA,SS210LBG,S2DBG,SMDJ17CAG,SF502DS,SMBJ85A,SS52BF,SK80N03,SS52BG,TB2S-10,2SB1132,MM3Z2V2B,SK2301A,SMF180A,BZT52C6V8T,BAV19WS,SS54BFL,BCX51-16,BAV19WT,FTB2SK,GS1GG,MM5Z6V2B,SS52CG,MMBZ5245B,BAV19WL,FTB2ST,SK2300A,MBR3060CTF,SKQ14N15AD,UMSB40B,SD103AWS,MBR4040CTF,SMCJ13CA,SK510CG,SKQ55P02AD,MM5Z43V,KBP3005G,MM3Z2V4B,SK2307A,SS38F,SS38G,MSB30M,SMCJ26CA,MSB30J,MSB30K,1SMA4735AG,BZT52C6V2T,MM1W300,SMDJ64AG,KSA1182,MM5Z6V8B,SM120C,MSB30G,MSB30B,MSB30D,NUP1105,SD103CW,SK33CG,SMAJ85CA,1SMA4748AG,GS1JG,SD103CX,P6SMB180CA,SMBJ90CA,SKML2502,S10DC

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应用及方案 - 时科 - 2022/11/30 PDF 中文下载

Power management Guide 2019

型号- ST1CC40,STEVAL-ILL074V1,PM8834,SPBTLE-RF0,PM677*,STPSC*12,LDBL20,STG*H65DFB,STTH*L06,STIPQ*M60T-H,TSM*,LDFM,STEVAL-ILL074V2,LD39100,ST*12N170K5,STEVAL-ILL085V1,STUSB4710,LDK220/320,TN*050H-12W,L6591,STPS* FERD*45,STEVAL-DPSLLCK1,LD39115,STPS*,STTH*08,ST1S4*,L6565,STSW-DALI001,STPSXX,STL*N10F7,STTH*06,ST1S40,STUSB4700,STNRGPF01,LD39200,PM8805,PM8804,ST1S32,PM8803,STEVAL-ISA152V1,STSW-DALI002,ST25R3913,STSW-STM8025,ST25R3912,STM32F301,L6699,ESDA17P20-1U1M,PM6764,ST1S50,STLM2,PM676*,ST*90K5,STWBC,ST25R3916,STGAP*,STEVAL-ISA205V1,STM32F334,STEVAL-POE002V1,ST*150K5,DK5,STPM34,STPM33,STEVAL-ILL053V2,STPM32,STL10N3LLH5,STEVAL-ISC005V1,IIS2DH,ST1S*,STEVAL-ISA195V1,STEVAL-ISA172V2,STWBC-EP,STM32H743,PM8801,EVLHVLED815W15,ESDA25P35-1U1M,STNRGPF12,F6,F7,STL8DN6LF3,HVLED002,STEVAL-ISA160V1,STEVAL-LLL004V1,STEVAL-ISA184V1,STEVAL-POE001V1,LED2000,LED2001,DM2,SCT*N120,ESDA15P60,EVL6699-HVSL,DM6,STP16,L649*,ST25R,STEVAL-VP26K01F,STEVAL-ILL077V1,STEVAL-ISC004V1,STPDDC60,L6377,STEVAL-ISA196V1,ESDA24P140-1U1M,2STM32G081,STP04,STP08,H6,STSW-USB2TYPEC1,L6375,TSC1031IYPT,ST25R3911B,ESDA17P100-1U2M,LD39130,ST25DV-DISCOVERY,STM32F0,STEF05S,STM32F1,STM32F4,STM32F3,BLUENRG-2,STSW-STLUXSMED02,BLUENRG-1,STEF05L,STM32F7,VIPER122,STTS75,STUSB1600,SPC58EC-DISP,STPS*100,LNBH25S,STGAP1AS,STG*H120DF2,STM32G0,LD39020/30,STEVAL-ISA178V1,STL*N40F7,STM32G4,ST*65DM2,EVLSTNRG-1KW,ESDA13P70-1U1M,ST*N8F7,STEVAL-ILL066V2,STEVAL-LDO001V1,LD59100,ST1L08,STSW-STLUXLIB02,STNRG011,STSAFE-A,AEK-USB-2TYPEC1,STEVAL-POE003V1,K5,SMA4F,VIPER122 VIPER*6,LDLN025/30,STG*M120DF3,L6566A,L6566B,STUSB1700,HTS22,STEVAL-LLL006V1*,STUSB4710A,STL6N3LLH6,FERD*100,HVLED001*,STEF033,STCH03,STCH02,LD1117A,LNBH26S,LIS2DW12,ST*60M2-EP,TSV*,LD56050,ST*105K5,ESDA7P120-1U1M,STG*M65DF2,STP4CMP,PM6697,L6564*,SMB15F,STBC02,M2,TN*015H-6,SCT*N65G2,ST*65M2,M5,STEVAL-POE006V1,M6,TS*,LDO40L,EVALSTWBC-EP,ST*N10F7,SPC58NE84C3,ST*65M6,ST*65M5,LD59150,STCMB1,M2-EP,STTH*10,STGYA120M65DF2AG,ALTAIR*,STTH*12,ESDA13P70,ST*N6F7,ESDL20-1BF4,STEVAL-1PS01GJR*,STEF12S,ST25R3916-DISCO,STNRG,M24SR,L6566*,STG*V60DF,EVLCMB1-90WADP,STPS100,STEVAL-POE005V1,TSC102,STM32H7,LDF,LD59015,STEVAL-USBC2DP,L6562A*,STM32,STM32G081B-EVAL,STPS*200,L6599*,STL8DN10LF3,ST25R3911B-DISCO,L6563*,ST*9*K5,PM8800A,L5973AD,SPV1050,ESDZV053-1BU2,STKNX,PM6680,LED8102S,STGIB*CH60(T)S-L(E),L6599A,EVLSTNRG011-150,TN*050H-8,STEVAL-IHT008V1,SEA*,STEVAL-ILL069V2,EVAL-SCS001V1,STEF12,STNS01,STEVAL-ISB045V1,LDK130,ESDA15P50-1U1M,FERD*45,L6566*; L6599A*,SPV1040,L6566BH,STEVAL-ISA159V1,STBCFG01,SPC58,FERD*50,STEF01,ST715,TWBC,LED1642,STEF05,ESD051-1F4,STPW12,LDL112,ST*N4F7,L6599A*,FER*100,STEVAL-ISA147V3,NUCLEO-G071RB,EVLCMB1-AIO210W,USBLC6-2SC6Y,SRK2001,STM32L1,SM4T26AY,STWBC-WA,STM32L5,STEVAL-ISB044V1,L4981*,STG*H65DFB2,STPW05,PEP01-5841,STD28P3LLH6AG,STELPD01*,M24512-A125,L6986F,LD56100,STRIPFET F7,SRK2000A,L5964**,L5972D,BAR46,STLD4X,STGIF*CH60(T)S-L(E),STLA02,STBR*12,SMA6F,STEF4S,STEVAL-USBPD45C,SPBTLE-1S,LPS22HB,SCT*N120G2,STL*N80F7,STTH*W04,STTH*W03,STTH*W02,LDK220,STUSB1602A,STEVAL-1PS01EJR,VIPER*1,IIS3DHHC,LD56030,VIPER*5,L6743B,VIPER*6,VIPER*7,STTH240F0,VIPER*8,SCT3117,STLQ015,FERD*60,STEVAL-ISB042V1,ST25DV-I2C,ST*N2VH5,STPSC*065,STC4054,SRK1000,LED77*,EVL185W-LEDTV,L6983*,SRK1001,STEVAL-ISA203V1*,LED1642GW,ST*N120K5,L5964,L5963,LDL212,STBB3J,STEF512,STEVAL-ILL070V4,STPS*45,STEVAL-POEL45W1,FERD,PM88*1,TSC*,STEVAL-IPM*,L6924U,2STN1360,STUSB1702Y,ESDA17P100,M95512-A125,STEVAL-ISA181V1,STEVAL-ISA204V1,STD45P4LLF6AG,ST*60M6,LED6001,STPS*60,LED6000,ST*60M2,L672*,STEVAL-1PS01BJR*,STLQ020,STEVAL-ISA170V1,LD39050,ESDA25W,LM135Z,L673*,STTH*R06,STM32G474,LDK320,LED600*,STBB1-AXX,ST*120K5,SPBTLE-RF,TDE1707,STUSB4761,STEVAL-ISB047V1,SRK2001A,L6668,VIPER0P,STM8,STNRG328A,STWBC-MC,STEVAL-ISA115V1,STTH15AC06*,LNBH29,ST1S12,ST25DV-PWM-ESET,ST1S14,STEVAL-ILL083V1,L5974D,TDE1897,ST1S3*,TDE1898,SM6T28AY,LED5000,STTH*S12,STPS60,EVL150W-HVSL,ESDL121-1BU2,STEVAL-1PS01AJR,BAT30F4,LNBH30,STC3115,STEVAL-IPFC12V1,ST*60DM6,STWLC33,STUSB4500,L59745AD,ST*80K5,ST*60DM2,T*432,T*431,STPRDC02,TCPP01-M12,ST*N4LF7,STM32G071B-DISCO,STPS*L30,SSTBC03,STPRDC01,STEVAL-IPFC01V1,BLUENRG-MS,L7986,L7987,STPS*30,STTH*T06,L7981,STEVAL-ILM001V1,L4984D,STUSB45,LMV*,STUSB47,LED2472G,STP24DP05,STEVAL-SMACH15V1,IPS161H

选型指南 - ST - June 2019 PDF 英文下载

One IC for Multiple DC-to-DC Topologies: Dual Output Step-Down IC Can Also Be Used in SEPIC and Boost Applications DESIGN NOTE

型号- LTC3892,LTC3892EUH-2,DC2727A

应用笔记或设计指南 - ADI - 2019/04/27 PDF 英文下载

Silanna Semiconductor Announces World‘s First Buck Converter IC to Feature Intelligent, Adaptive Power Sharing

Silanna Semiconductor has launched the world‘s first buck converter Power IC SZPL3002A to feature intelligent power sharing. It is with a built-in USB PD/FC port controller that reduces the number of components needed to implement 65W fast charger and adapter applications with up to four ports.

新产品发布时间 : 2022-08-12