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FT838NB

PMIC - Charger/Adaptor ICs; ??Constant-Current (CC) and Constant-Voltage (CV) with Primary Side Control\n·??Proprietary technology enabling high efficiency and fast dynamic response\n·??No audible noise over entire operating range\n·??Built-in power NPN\n·??Built-in Cable Compensation\n·??Built-in Line Compensation\n·??Primary-side feedback eliminates?opto-coupler and TL431\n·??Cycle-by-Cycle Current Limiting\n·??Over Temperature Protection\n·??VCC Over Voltage Protection\n·??Open Circuit Protection\n;

FT838NB

Low-Power Off-Line CC/CV Switch

FT838NBx

原邊反饋（5級(jí)能效）; Constant-Current (CC) and Constant-Voltage (CV) with Primary Side Control\nProprietary technology enabling high efficiency and fast dynamic response\nNo audible noise over entire operating range\nBuilt-in power NPN?\nBuilt-in Cable Compensation\nBuilt-in Line Compensation\nPrimary-side feedback eliminates opto-coupler and TL431\nCycle-by-Cycle Current Limiting\nOver Temperature Protection\nVCC Over Voltage Protection\nOpen Circuit Protection\n;

The FT838NB/FT838RNA controller device is optimized for high-performance, low power switching mode power supply applications. The ?FT838NB/FT838RNA facilitates CC/CV charger design by eliminating an opto-coupler and TL431. Its highly integrated functions such as Under Voltage Lockout (UVLO), Leading Edge Blanking (LEB) and built-in cable compensation offer the users a high efficiency and low cost solution for AC/DC power applications.\n Power supplies built with FT838NB can achieve both highest average efficiency and fast dynamic load response. FT838RNA is optimized for LED driver applications with slightly higher (~22uA) standby current.\n Furthermore, FT838NB/FT838RNA features fruitful protections like Open Circuit Protection and Over Temperature Protection to eliminate the external protection circuits and provide reliable operations. FT838NB/FT838RNA is available in SOP8 package.\n \n

FT838NB1-RT

Package：8-SOIC（0.154"，3.90mm 寬）；包裝：管件 類別：集成電路（IC） AC DC 轉(zhuǎn)換器，離線開關(guān) 描述：IC OFFLINE SWITCH FLYBACK 8SOP

Fremont Micro Devices Ltd

FT838NB2-RT

Package：8-SOIC（0.154"，3.90mm 寬）；包裝：管件 類別：集成電路（IC） AC DC 轉(zhuǎn)換器，離線開關(guān) 描述：IC OFFLINE SWITCH FLYBACK 8SOP

Fremont Micro Devices Ltd

KRC838E

EPITAXIALPLANARNPNTRANSISTOR(SWITCHING,INTERFACECIRCUITANDDRIVERCIRCUIT)

SWITCHINGAPPLICATION. INTERFACECIRCUITANDDRIVERCIRCUITAPPLICATION FEATURES WithBuilt-inBiasResistors. SimplifyCircuitDesign. ReduceaQuantityofPartsandManufacturingProcess.

KRC838U

EPITAXIALPLANARNPNTRANSISTOR(SWITCHING,INTERFACECIRCUITANDDRIVERCIRCUIT)

SWITCHINGAPPLICATION. INTERFACECIRCUITANDDRIVERCIRCUITAPPLICATION FEATURES ●WithBuilt-inBiasResistors. ●SimplifyCircuitDesign. ●ReduceaQuantityofPartsandManufacturingProcess.

KSC838

FMRadioRFAMP,MIX,CONV,OSC,IFAMP

KSC838

NPN(FMRADIORFAMP,MIX,CONV,OSC,IFAMP)

FMRADIORFAMP,MIX,CONV,OSC,IFAMP HighCurrentGainBanwidthProductft=250MHz(Typ)

KSC838

FMRadioRFAMP,MIX,CONV,OSC,IFAMP