KA3845B
- Mfr.Part #
- KA3845B
- Manufacturer
- onsemi
- Package / Case
- 8-DIP (0.300, 7.62mm)
- Datasheet
- Download
- Description
- IC OFFLINE SWITCH 8DIP
- Stock
- 8,044
- In Stock :
- 8,044
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- Manufacturer :
- onsemi
- Product Category :
- AC DC Converters, Offline Switches
- Input Voltage-Nom :
- 15V
- Package / Case :
- 8-DIP (0.300, 7.62mm)
- Mounting Type :
- Through Hole
- Terminal Position :
- Dual
- Rise Time :
- 45ns
- Fall Time (Typ) :
- 35 ns
- Clock Sync :
- No
- Terminal Pitch :
- 2.54mm
- Packaging :
- Tube
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Max Frequency :
- 500kHz
- Voltage - Supply (Vcc/Vdd) :
- 7.6V~30V
- Number of Pins :
- 8
- Output Configuration :
- Positive
- Width :
- 6.35mm
- Number of Outputs :
- 1
- Mount :
- Through Hole
- Base Part Number :
- KA3845
- Duty Cycle (Max) :
- 48%
- Output Current :
- 1A
- ECCN Code :
- EAR99
- Height :
- 3.3mm
- Control Technique :
- PULSE WIDTH MODULATION
- Number of Terminations :
- 8
- Output Type :
- Transistor Driver
- Operating Temperature :
- 0°C~70°C TA
- Number of Functions :
- 1
- Input Voltage (Max) :
- 25V
- Frequency - Switching :
- Up to 500kHz
- Control Mode :
- CURRENT-MODE
- Length :
- 10.15mm
- Operating Supply Current :
- 17mA
- Lead Free :
- Lead Free
- RoHS Status :
- RoHS Compliant
- Synchronous Rectifier :
- yes
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Max Duty Cycle :
- 50 %
- Datasheets
- KA3845B
KA3845B Documents

AC DC Converters, Offline Switches onsemi KA3845B Overview
The onsemi KA3845B is a pivotal component in modern power supply designs, belonging to the category of AC DC Converters and Offline Switches. This integrated circuit is specifically crafted to enhance the reliability and efficiency of offline switching modes. Housed in a compact 8DIP package, the KA3845B integrates multiple features aimed at simplifying the design and implementation of power supply systems. Its versatility and robust performance make it ideal for a wide range of applications, particularly where power efficiency and space are crucial. Utilizing the AC DC Converters, Offline Switches onsemi KA3845B, designers can achieve stable and efficient power conversion in various electronic applications, ensuring that the end products meet stringent quality and performance standards.
KA3845B Features
The KA3845B offers several key features that make it suitable for a broad spectrum of power supply applications. These include a wide input voltage range, high efficiency, and built-in protection mechanisms such as over-voltage, under-voltage, and thermal shutdown. Additionally, its ability to operate at high frequencies enables compact transformer designs, reducing the overall size and cost of the power supply unit.
KA3845B Applications
- Consumer Electronics: Utilized in TVs, audio systems, and other home appliances to provide stable power derived from fluctuating main supplies.
- Telecommunications Equipment: Employs its high-efficiency conversion capabilities to power routers, switches, and base stations reliably.
- Computing Devices: Ensures safe and consistent power to desktops, laptops, and servers, supporting high performance with efficient power management.
- Industrial Systems: Key in driving automated manufacturing systems, providing the necessary power control to maintain precision and efficiency.
- Power Tools: Used in cordless power tools where efficient power conversion extends battery life and enhances performance.
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The basic freight (for package ≤0.5 KG ) depends on the time zones and countries
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