KA3844B
- Mfr.Part #
- KA3844B
- Manufacturer
- onsemi
- Package / Case
- 8-DIP (0.300, 7.62mm)
- Datasheet
- Download
- Description
- IC OFFLINE SWITCH 8DIP
- Stock
- 122
- In Stock :
- 122
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- Manufacturer :
- onsemi
- Product Category :
- AC DC Converters, Offline Switches
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Input Voltage-Nom :
- 15V
- Operating Supply Current :
- 17mA
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Packaging :
- Tube
- Number of Outputs :
- 1
- Internal Switch(s) :
- No
- Lead Free :
- Lead Free
- Base Part Number :
- KA3844
- Width :
- 6.35mm
- Lifecycle Status :
- LIFETIME (Last Updated: 1 day ago)
- Package / Case :
- 8-DIP (0.300, 7.62mm)
- Duty Cycle :
- 48%
- Switcher Configuration :
- Single
- Max Duty Cycle :
- 50 %
- Number of Functions :
- 1
- Control Features :
- Frequency Control
- Factory Lead Time :
- 2 Weeks
- Terminal Pitch :
- 2.54mm
- Pbfree Code :
- yes
- Height :
- 3.3mm
- Mount :
- Through Hole
- Fall Time (Typ) :
- 35 ns
- Number of Pins :
- 8
- Output Current :
- 1A
- Terminal Finish :
- Tin (Sn)
- Published :
- 2015
- Voltage - Supply (Vcc/Vdd) :
- 10V~30V
- Mounting Type :
- Through Hole
- Number of Terminations :
- 8
- Voltage - Start Up :
- 16V
- Input Voltage (Max) :
- 30V
- RoHS Status :
- ROHS3 Compliant
- Rise Time :
- 45ns
- Terminal Position :
- Dual
- Max Supply Current :
- 17mA
- Control Technique :
- PULSE WIDTH MODULATION
- Control Mode :
- CURRENT-MODE
- Operating Temperature :
- 0°C~70°C TA
- JESD-609 Code :
- e3
- Weight :
- 851mg
- Length :
- 10.15mm
- Frequency - Switching :
- Up to 500kHz
- ECCN Code :
- EAR99
- Datasheets
- KA3844B

AC DC Converters, Offline Switches onsemi KA3844B Overview
The KA3844B, manufactured by onsemi, is a critical component designed for robust performance in AC DC converters and offline switching applications. This IC OFFLINE SWITCH 8DIP excels in delivering reliable and efficient control in power management circuits. Known for its stability and durability, the KA3844B facilitates enhanced power supply functionality with minimal power loss, making it ideal for a variety of demanding applications. Integrating this IC into your systems ensures not only performance but also long-term reliability, catering to industrial needs of high-volume, high-performance power solutions. The use of AC DC Converters, Offline Switches onsemi KA3844B in your projects promises exceptional operational efficiency and consistency.
KA3844B Features
The KA3844B IC features a range of technical specifications that make it a go-to choice for power regulation requirements. Key features include low start-up current, a maximum duty cycle adjustable to 100%, and an automatic feed forward compensation. Additionally, the IC offers pulse-by-pulse current limiting and internal thermal shutdown features, providing crucial protection against system failures. Its compatibility with high-frequency operation up to 500 kHz allows for smaller sized companion components, thus reducing overall design space and cost.
KA3844B Applications
- Power Supplies: Utilized in designing both linear and switching power supplies, the KA3844B enhances efficiency and reliability, crucial for devices requiring stable power delivery.
- LED Drivers: In LED driving solutions, this IC manages the current supply ensuring consistent illumination while maximizing energy efficiency.
- Chargers: Used in battery chargers, the KA3844B regulates the power flow, ensuring safe and fast charging cycles compatible with a variety of battery technologies.
- Home Appliances: Essential for managing power in home appliances to enhance energy efficiency and ensure safety in operation.
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