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