KA3843BDTF
- Mfr.Part #
- KA3843BDTF
- Manufacturer
- Fairchild Semiconductor
- Package / Case
- 14-SOIC (0.154, 3.90mm Width)
- Datasheet
- Download
- Description
- IC OFFLINE SWITCH 14SOIC
- Stock
- 4,891
- In Stock :
- 4,891
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- Manufacturer :
- Fairchild Semiconductor
- Product Category :
- AC DC Converters, Offline Switches
- Pbfree Code :
- yes
- Package / Case :
- 14-SOIC (0.154, 3.90mm Width)
- Pin Count :
- 14
- Terminal Position :
- Dual
- Width :
- 3.95mm
- Packaging :
- Tape and Reel (TR)
- Voltage - Supply (Vcc/Vdd) :
- 7.6V~30V
- Peak Reflow Temperature (Cel) :
- 260
- Input Voltage-Nom :
- 15V
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Control Mode :
- CURRENT-MODE
- Duty Cycle (Max) :
- 97%
- Surface Mount :
- yes
- Frequency - Switching :
- Up to 500kHz
- Qualification Status :
- COMMERCIAL
- Synchronous Rectifier :
- yes
- Number of Outputs :
- 1
- Output Current-Max :
- 1A
- Switcher Configuration :
- Single
- Number of Terminations :
- 14
- Operating Temperature :
- 0°C~70°C TA
- Terminal Finish :
- MATTE TIN
- Output Configuration :
- Positive
- Number of Functions :
- 1
- Output Type :
- Transistor Driver
- Length :
- 8.56mm
- RoHS Status :
- ROHS3 Compliant
- JESD-609 Code :
- e3
- Mounting Type :
- Surface Mount
- Input Voltage (Max) :
- 30V
- Control Technique :
- PULSE WIDTH MODULATION
- Clock Sync :
- No
- Terminal Form :
- Gull wing
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Datasheets
- KA3843BDTF

AC DC Converters, Offline Switches Fairchild Semiconductor KA3843BDTF Overview
The KA3843BDTF from Fairchild Semiconductor is a crucial component in the realm of power management, specifically designed for AC DC converters and offline switching applications. This integrated circuit (IC) facilitates efficient, reliable switching operations in various electronic devices, offering enhanced performance with a stable and robust design. The 14SOIC package of the KA3843BDTF ensures compact integration into system designs, making it an ideal choice for manufacturers looking to optimize space without sacrificing performance. The utilization of this IC helps in achieving higher efficiency and reliability in power supply units, marking it as an indispensable tool for developers and engineers focused on innovative electronic solutions.
KA3843BDTF Features
The KA3843BDTF features several technical enhancements that make it superior for sophisticated power conversion applications. Key features include a wide operating voltage range, high frequency operation capabilities, and built-in protection features such as over-voltage, under-voltage, and over-temperature protections. These characteristics ensure the IC operates reliably under various environmental and electrical stresses, thereby maintaining system integrity and prolonging the lifespan of the application it is used in.
KA3843BDTF Applications
- Power Supplies: Utilized in the development of both commercial and industrial power supplies where efficiency and reliability are paramount. The KA3843BDTF enhances performance through stable power conversion.
- LED Lighting Systems: In LED lighting, the IC helps manage power effectively, ensuring consistent illumination and extended lifespan of lighting components.
- Home Appliances: Used in the power management systems of appliances such as refrigerators and air conditioners, improving energy efficiency and operational reliability.
- Telecommunication Equipment: Supports power systems within telecommunications infrastructure by providing stable and reliable power conversion, essential for long-term, uninterrupted service.
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