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

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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Shipping CostShipping Cost starts at $40, but some countries will exceed $40. For example (South Africa, Brazil, India, Pakistan, Israel, etc.).If customer have shipping account, we can make shipment under customer’s shipping account with freight collect directly.
The basic freight (for package ≤0.5 KG ) depends on the time zones and countries
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