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
- Output Current :
- 1A
- Number of Outputs :
- 1
- Operating Temperature :
- 0°C~70°C TA
- Pbfree Code :
- yes
- Thickness :
- 3.9mm
- Output Voltage :
- 13.5V
- RoHS Status :
- ROHS3 Compliant
- Input Voltage-Nom :
- 15V
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Number of Terminations :
- 8
- Fall Time (Typ) :
- 50 ns
- Base Part Number :
- UC3842
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Voltage - Supply (Vcc/Vdd) :
- 12V~28V
- Rise Time :
- 50ns
- Length :
- 9.81mm
- Synchronous Rectifier :
- No
- Weight :
- 528.605208mg
- Output Type :
- Transistor Driver
- Duty Cycle (Max) :
- 97%
- JESD-609 Code :
- e4
- Frequency :
- 450kHz
- Terminal Position :
- Dual
- Mounting Type :
- Through Hole
- REACH SVHC :
- No SVHC
- Width :
- 6.35mm
- Number of Pins :
- 8
- Nominal Input Voltage :
- 30V
- Factory Lead Time :
- 6 Weeks
- Packaging :
- Tube
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Lifecycle Status :
- ACTIVE (Last Updated: 6 days ago)
- ECCN Code :
- EAR99
- Control Technique :
- PULSE WIDTH MODULATION
- Surface Mount :
- No
- Height :
- 5.08mm
- Topology :
- Boost, Buck, Buck-Boost, Flyback, Forward
- Function :
- Step-Up, Step-Down, Step-Up/Step-Down
- Max Duty Cycle :
- 100 %
- Supply Current-Max (Isup) :
- 25mA
- Control Features :
- Frequency Control
- Output Configuration :
- Positive
- Lead Free :
- Lead Free
- Terminal Pitch :
- 2.54mm
- Package / Case :
- 8-DIP (0.300, 7.62mm)
- Frequency - Switching :
- Up to 500kHz
- Control Mode :
- CURRENT-MODE
- 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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