UC3843BN
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- Mfr.Part #
- UC3843BN
- Manufacturer
- STMicroelectronics
- Package / Case
- 8-DIP (0.300, 7.62mm)
- Datasheet
- Download
- Description
- IC REG CTRLR BST/FLYBK 8-MINIDIP
- Stock
- 67,722
- In Stock ：
- 67,722
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- Manufacturer :
- STMicroelectronics
- Product Category :
- DC DC Switching Controllers
- RoHS Status :
- ROHS3 Compliant
- Terminal Finish :
- Matte Tin (Sn) - annealed
- Output Voltage :
- 5.05V
- Mounting Type :
- Through Hole
- Nominal Input Voltage :
- 15V
- Weight :
- 930.006106mg
- Function :
- Step-Up, Step-Up/Step-Down
- Height :
- 3.32mm
- Number of Pins :
- 8
- Topology :
- Boost, Flyback
- Frequency - Switching :
- Up to 500kHz
- JESD-609 Code :
- e3
- Control Mode :
- CURRENT-MODE
- Terminal Position :
- Dual
- Output Current :
- 200mA
- Output Type :
- Transistor Driver
- Number of Outputs :
- 1
- Duty Cycle (Max) :
- 96%
- Factory Lead Time :
- 14 Weeks
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Control Features :
- Frequency Control
- Width :
- 6.6mm
- Packaging :
- Tube
- Mount :
- Through Hole
- Terminal Pitch :
- 2.54mm
- Rise Time :
- 50ns
- Switcher Configuration :
- Single
- Package / Case :
- 8-DIP (0.300, 7.62mm)
- Operating Temperature :
- 0°C~70°C TJ
- Length :
- 10.92mm
- Input Voltage-Nom :
- 15V
- Max Duty Cycle :
- 100 %
- Frequency :
- 250kHz
- ECCN Code :
- EAR99
- REACH SVHC :
- No SVHC
- Voltage - Supply (Vcc/Vdd) :
- 7.6V~30V
- Synchronous Rectifier :
- No
- Lifecycle Status :
- ACTIVE (Last Updated: 7 months ago)
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Max Power Dissipation :
- 800mW
- Fall Time (Typ) :
- 50 ns
- Max Supply Current :
- 17mA
- Output Configuration :
- Positive
- Power Dissipation :
- 800mW
- Control Technique :
- PULSE WIDTH MODULATION
- Number of Terminations :
- 8
- Base Part Number :
- UC3843
- Lead Free :
- Lead Free
- Datasheets
- UC3843BN
DC DC Switching Controllers STMicroelectronics UC3843BN Overview
The UC3843BN, manufactured by STMicroelectronics, is a highly reliable integrated circuit (IC) specifically designed for DC DC switching controller applications. This component is crucial for managing and optimizing the performance of boost or flyback converters with its efficient control mechanisms. Known for its stability and durability, the UC3843BN enhances system reliability in various high-demand environments, making it a go-to solution for engineers and professionals in the electronics sector. Its capabilities make it ideal for applications requiring precise voltage regulation and power supply management, fostering the development of robust and efficient electronic products. This overview highlights the key aspects and benefits of the DC DC Switching Controllers STMicroelectronics UC3843BN, showcasing its potential to boost the performance and reliability of electronic systems.
UC3843BN Features
The UC3843BN boasts a range of features designed to enhance the efficiency and reliability of power management systems. These include a wide input voltage range, which allows flexibility across different power supplies. Additionally, the IC features a high-frequency operation which reduces the size of external components, thereby minimizing the overall design footprint. Its enhanced current mode control facilitates improved response times to load changes, which is critical in maintaining output stability. Other notable features include under-voltage lockout for safe operation, and programmable output that allows customization according to specific application needs.
UC3843BN Applications
- Power Supplies: Utilized in the regulation and control of power within electronic devices, ensuring stable and efficient operation.
- LED Lighting Drivers: Acts as a control element in LED lighting systems to provide consistent illumination while optimizing power usage.
- Battery Chargers: Manages the power flow in battery chargers, enhancing the efficiency and lifespan of the battery through precise charge control.
- Consumer Electronics: Integrated into various consumer electronics to ensure power stability and efficiency, thereby extending the device's usability and performance.
- Telecommunication Equipment: Used in telecom infrastructure to regulate power supplies, crucial for maintaining the reliability and functionality of communication systems.
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