KA3843BD
- Mfr.Part #
- KA3843BD
- Manufacturer
- Fairchild Semiconductor
- Package / Case
- 14-SOIC (0.154, 3.90mm Width)
- Datasheet
- Download
- Description
- IC OFFLINE SWITCH 14SOIC
- Stock
- 4,760
- In Stock :
- 4,760
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- Manufacturer :
- Fairchild Semiconductor
- Product Category :
- AC DC Converters, Offline Switches
- Clock Sync :
- No
- JESD-609 Code :
- e3
- Pin Count :
- 14
- Number of Functions :
- 1
- Length :
- 8.56mm
- Surface Mount :
- yes
- Width :
- 3.95mm
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Output Type :
- Transistor Driver
- Packaging :
- Tube
- Control Mode :
- CURRENT-MODE
- Number of Terminations :
- 14
- Terminal Form :
- Gull wing
- Package / Case :
- 14-SOIC (0.154, 3.90mm Width)
- Peak Reflow Temperature (Cel) :
- 260
- Terminal Position :
- Dual
- Output Configuration :
- Positive
- Output Current-Max :
- 1A
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Duty Cycle (Max) :
- 97%
- Voltage - Supply (Vcc/Vdd) :
- 7.6V~30V
- Switcher Configuration :
- Single
- Frequency - Switching :
- Up to 500kHz
- Input Voltage-Nom :
- 15V
- Operating Temperature :
- 0°C~70°C TA
- Number of Outputs :
- 1
- Mounting Type :
- Surface Mount
- Input Voltage (Max) :
- 30V
- RoHS Status :
- ROHS3 Compliant
- Terminal Finish :
- MATTE TIN
- Qualification Status :
- COMMERCIAL
- Control Technique :
- PULSE WIDTH MODULATION
- Pbfree Code :
- yes
- Synchronous Rectifier :
- yes
- Datasheets
- KA3843BD

AC DC Converters, Offline Switches Fairchild Semiconductor KA3843BD Overview
The Fairchild Semiconductor KA3843BD is a high-performance IC specifically designed for AC DC converters and offline switching applications. This robust component is housed in a 14SOIC package, providing advanced features and reliable operation for a variety of power management challenges. Its ability to efficiently manage power conversion and control makes it a pivotal element for modern electronic systems. Incorporating the AC DC Converters, Offline Switches Fairchild Semiconductor KA3843BD into your designs ensures enhanced system reliability, improved power efficiency, and significant reduction in overall component count, which is crucial for achieving cost-effective solutions in competitive markets.
KA3843BD Features
The KA3843BD offers several key features, including a wide input voltage range, built-in error amplifier, programmable oscillation frequency, and automatic pulse by pulse current limiting. These features make the KA3843BD an ideal choice for designing flexible and reliable electronic power systems, capable of withstanding various operational conditions without compromising performance.
KA3843BD Applications
- Power Supplies: Utilized in switching power supplies to enhance efficiency and regulate voltage under varying load conditions.
- LED Drivers: Drives LEDs in lighting applications, ensuring optimal current flow for consistent illumination.
- Chargers: Integrated into battery chargers to control and optimize the charging process for devices such as smartphones and laptops.
- Home Appliances: Employed in the power systems of appliances like refrigerators and washing machines to ensure energy-efficient operation.
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