UC3843NG4
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- Mfr.Part #
- UC3843NG4
- Manufacturer
- Texas Instruments
- Package / Case
- 8-DIP (0.300, 7.62mm)
- Datasheet
- Download
- Description
- IC REG CTRLR MULT TOPOLOGY 8DIP
- Stock
- 29,141
- In Stock ：
- 29,141
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- Manufacturer :
- Texas Instruments
- Product Category :
- DC DC Switching Controllers
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Surface Mount :
- No
- Mounting Type :
- Through Hole
- Control Mode :
- CURRENT-MODE
- Number of Terminations :
- 8
- Number of Outputs :
- 1
- Weight :
- 528.605208mg
- Duty Cycle (Max) :
- 97%
- Control Features :
- Frequency Control
- Input Voltage-Nom :
- 15V
- Packaging :
- Tube
- Lead Free :
- Lead Free
- Rise Time :
- 50ns
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Base Part Number :
- UC3843
- Supply Current-Max (Isup) :
- 25mA
- ECCN Code :
- EAR99
- RoHS Status :
- ROHS3 Compliant
- Synchronous Rectifier :
- No
- Frequency - Switching :
- Up to 500kHz
- Pbfree Code :
- yes
- Lifecycle Status :
- ACTIVE (Last Updated: 5 days ago)
- Terminal Pitch :
- 2.54mm
- Fall Time (Typ) :
- 50 ns
- Output Current :
- 200mA
- Function :
- Step-Up, Step-Down, Step-Up/Step-Down
- Voltage - Supply (Vcc/Vdd) :
- 12V~28V
- Thickness :
- 3.9mm
- Control Technique :
- PULSE WIDTH MODULATION
- Height :
- 5.08mm
- Terminal Position :
- Dual
- JESD-609 Code :
- e4
- Package / Case :
- 8-DIP (0.300, 7.62mm)
- Number of Pins :
- 8
- Output Voltage :
- 13.5V
- Factory Lead Time :
- 6 Weeks
- Output Configuration :
- Positive
- Output Type :
- Transistor Driver
- Width :
- 6.35mm
- Operating Temperature :
- 0°C~70°C TA
- Topology :
- Boost, Buck, Buck-Boost, Flyback, Forward
- Max Duty Cycle :
- 100 %
- Nominal Input Voltage :
- 25V
- Frequency :
- 450kHz
- Length :
- 9.81mm
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Datasheets
- UC3843NG4
DC DC Switching Controllers Texas Instruments UC3843NG4 Overview
The UC3843NG4 from Texas Instruments is a high-performance DC DC Switching Controller, specifically designed to offer efficient, reliable solutions for various power conversion applications. This component excels in managing multiple topology configurations such as Boost, Flyback, and Forward converters. With its robust design and advanced circuitry, the UC3843NG4 ensures stable operation under varying load and power conditions, making it a preferred choice for designers focusing on performance and reliability in their power supply architectures. Its flexibility and efficiency in controlling power make it indispensable for developing sophisticated electronic systems.
UC3843NG4 Features
This integrated circuit is packed with features that enhance its utility and efficiency in complex electronic environments. Key features include a programmable switching frequency up to 500 kHz, which allows for smaller-sized components and reduces physical space requirements on the PCB. It also offers enhanced line and load regulation capabilities, ensuring consistent output despite input variations. Additionally, the UC3843NG4 features current mode operation for improved response times and simpler loop compensation, making it highly effective for various applications.
UC3843NG4 Applications
- Power Supply Units: Utilized in the design of both isolated and non-isolated power supplies, enhancing efficiency and reliability.
- LED Drivers: Drives LEDs with high efficiency and precise current control, suitable for both commercial and industrial lighting applications.
- Battery Chargers: Integrated in battery management systems to provide stable and controlled charging cycles for various battery technologies.
- Telecommunication Equipment: Used in the power supplies for telecommunication infrastructure, ensuring robust performance even under fluctuating power conditions.
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