KA3842BD
- Mfr.Part #
- KA3842BD
- Manufacturer
- Fairchild Semiconductor
- Package / Case
- 14-SOIC (0.154, 3.90mm Width)
- Datasheet
- Download
- Description
- IC OFFLINE SWITCH 14SOIC
- Stock
- 14,970
- In Stock :
- 14,970
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- Manufacturer :
- Fairchild Semiconductor
- Product Category :
- AC DC Converters, Offline Switches
- JESD-30 Code :
- R-PDSO-G14
- Width :
- 3.95mm
- Length :
- 8.56mm
- Input Voltage (Min) :
- 12V
- Surface Mount :
- yes
- Pin Count :
- 14
- Terminal Pitch :
- 1.27mm
- Control Features :
- Frequency Control
- Control Mode :
- CURRENT-MODE
- Number of Terminations :
- 14
- Input Voltage-Nom :
- 15V
- JESD-609 Code :
- e3
- Duty Cycle :
- 97%
- Qualification Status :
- COMMERCIAL
- Operating Temperature :
- 0°C~70°C TA
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Height Seated (Max) :
- 1.8mm
- RoHS Status :
- ROHS3 Compliant
- Control Technique :
- PULSE WIDTH MODULATION
- Package / Case :
- 14-SOIC (0.154, 3.90mm Width)
- Terminal Form :
- Gull wing
- Number of Functions :
- 1
- Frequency - Switching :
- Up to 500kHz
- Terminal Finish :
- MATTE TIN
- Terminal Position :
- Dual
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Switcher Configuration :
- Single
- Output Current-Max :
- 1A
- Input Voltage (Max) :
- 30V
- Mounting Type :
- Surface Mount
- Peak Reflow Temperature (Cel) :
- 260
- Voltage - Start Up :
- 16V
- Pbfree Code :
- yes
- Time@Peak Reflow Temperature-Max (s) :
- 30
- Internal Switch(s) :
- No
- Voltage - Supply (Vcc/Vdd) :
- 10V~30V
- Packaging :
- Tube
- Datasheets
- KA3842BD

AC DC Converters, Offline Switches Fairchild Semiconductor KA3842BD Overview
The KA3842BD by Fairchild Semiconductor stands as a pivotal component in the realm of AC DC converters and offline switches. Designed to enhance efficiency and reliability, this integrated circuit is tailored for sophisticated power management. Ensuring high performance in a compact 14SOIC package, the KA3842BD is pivotal for developing advanced power solutions in various industrial applications. Its integration facilitates robust power conversion processes, crucial for maintaining system stability and enhancing energy efficiency. With its focus on streamlined operation and durability, the KA3842BD by Fairchild Semiconductor emerges as a key enabler in powering today’s and tomorrow’s electronic innovations.
KA3842BD Features
The KA3842BD integrates several features that make it an outstanding choice for demanding applications. These include a wide operating voltage range, which ensures flexibility across different power supplies. Its high-frequency operation minimizes the size of passive components, which in turn reduces the overall design footprint. Additionally, the built-in frequency compensation and under-voltage lockout with hysteresis contribute to stable and secure operation, making the KA3842BD a reliable backbone for power management circuits.
KA3842BD Applications
- Switch Mode Power Supplies (SMPS): Utilizes the KA3842BD for efficient voltage regulation, enabling stable power delivery across varying loads.
- DC-DC Converters: Employs the KA3842BD to handle the conversion of DC voltages to different levels, useful in devices ranging from laptops to industrial machinery.
- Battery Chargers: Takes advantage of the high efficiency and reliable control offered by the KA3842BD to manage and optimize the charging cycles of batteries in portable devices.
- LED Lighting Systems: Applies the KA3842BD to provide consistent, stable power to LED configurations, ensuring longevity and energy efficiency.
- Telecommunication Equipment: Uses the KA3842BD to ensure robust power management within telecom infrastructures, crucial for maintaining continuous operation.
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