UC3842N
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- Mfr.Part #
- UC3842N
- Manufacturer
- Texas Instruments
- Package / Case
- 8-DIP (0.300, 7.62mm)
- Datasheet
- Download
- Description
- IC REG CTRLR PWM CM 8DIP
- Stock
- 357
- In Stock ：
- 357
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- Manufacturer :
- Texas Instruments
- Product Category :
- DC DC Switching Controllers
- ECCN Code :
- EAR99
- RoHS Status :
- ROHS3 Compliant
- Voltage - Supply (Vcc/Vdd) :
- 12V~28V
- Factory Lead Time :
- 6 Weeks
- Width :
- 6.35mm
- Number of Pins :
- 8
- Duty Cycle (Max) :
- 97%
- Lead Free :
- Lead Free
- Control Mode :
- CURRENT-MODE
- Control Technique :
- PULSE WIDTH MODULATION
- Supply Current-Max (Isup) :
- 25mA
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Output Current :
- 1A
- Package / Case :
- 8-DIP (0.300, 7.62mm)
- Terminal Position :
- Dual
- Weight :
- 528.605208mg
- Base Part Number :
- UC3842
- Output Voltage :
- 13.5V
- Lifecycle Status :
- ACTIVE (Last Updated: 6 days ago)
- Number of Outputs :
- 1
- Surface Mount :
- No
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Pbfree Code :
- yes
- Length :
- 9.81mm
- Operating Temperature :
- 0°C~70°C TA
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Output Configuration :
- Positive
- Fall Time (Typ) :
- 50 ns
- Nominal Input Voltage :
- 30V
- Frequency :
- 450kHz
- Frequency - Switching :
- Up to 500kHz
- Terminal Pitch :
- 2.54mm
- Max Duty Cycle :
- 100 %
- Mounting Type :
- Through Hole
- Height :
- 5.08mm
- Number of Terminations :
- 8
- Topology :
- Boost, Buck, Buck-Boost, Flyback, Forward
- Function :
- Step-Up, Step-Down, Step-Up/Step-Down
- Input Voltage-Nom :
- 15V
- JESD-609 Code :
- e4
- REACH SVHC :
- No SVHC
- Control Features :
- Frequency Control
- Rise Time :
- 50ns
- Thickness :
- 3.9mm
- Output Type :
- Transistor Driver
- Packaging :
- Tube
- Synchronous Rectifier :
- No
- Datasheets
- UC3842N
DC DC Switching Controllers Texas Instruments UC3842N Overview
The UC3842N by Texas Instruments stands as a robust PWM controller IC tailored for high-performance DC DC Switching applications. Its design emphasizes stability, efficiency, and flexibility, making it an ideal choice for engineers and designers looking to enhance power supply solutions. Encased in an 8DIP package, this controller integrates advanced features for superior system reliability. The UC3842N ensures low startup current and offers optimized power handling capabilities to accommodate a variety of power applications, making it a preferred component in commercial and industrial markets.
UC3842N Features
The UC3842N incorporates several key features that make it particularly effective for sophisticated power management tasks. It boasts a trimmed oscillator for precise duty cycle control, a temperature-compensated reference, high current totem pole output, and a current limiting output driver. Additionally, its automatic feed-forward compensation and pulse-by-pulse current limiting enhance its performance in demanding environments.
UC3842N Applications
- Switch Mode Power Supplies (SMPS): The UC3842N controls the switching of power supply units, ensuring efficient energy conversion and stable output for various electronic devices.
- DC-DC Converters: Utilized in stepping up or down voltages in automotive and industrial applications, enhancing the reliability and efficiency of system power management.
- Battery Chargers: Its precise control capabilities enable optimized charging algorithms for fast and safe battery charging in consumer electronics and industrial tools.
- LED Drivers: The IC can be employed to provide consistent, stable current needed for powering LED arrays in lighting solutions, contributing to energy efficiency and longer lifespan of the LEDs.
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