UC3842NG4
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- Mfr.Part #
- UC3842NG4
- Manufacturer
- Texas Instruments
- Package / Case
- 8-DIP (0.300, 7.62mm)
- Datasheet
- Download
- Description
- IC REG CTRLR PWM CM 8DIP
- Stock
- 3,862
- In Stock ：
- 3,862
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- Manufacturer :
- Texas Instruments
- Product Category :
- DC DC Switching Controllers
- Base Part Number :
- UC3842
- Fall Time (Typ) :
- 50 ns
- Weight :
- 528.605208mg
- Packaging :
- Tube
- Voltage - Supply (Vcc/Vdd) :
- 12V~28V
- Number of Terminations :
- 8
- Supply Current-Max (Isup) :
- 25mA
- Synchronous Rectifier :
- No
- Terminal Position :
- Dual
- Control Mode :
- CURRENT-MODE
- ECCN Code :
- EAR99
- Thickness :
- 3.9mm
- Input Voltage-Nom :
- 15V
- Duty Cycle (Max) :
- 97%
- Output Type :
- Transistor Driver
- Output Configuration :
- Positive
- JESD-609 Code :
- e4
- Function :
- Step-Up, Step-Down, Step-Up/Step-Down
- Control Features :
- Frequency Control
- Output Voltage :
- 13.5V
- Length :
- 9.81mm
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Terminal Pitch :
- 2.54mm
- Output Current :
- 200mA
- Width :
- 6.35mm
- REACH SVHC :
- No SVHC
- Pbfree Code :
- yes
- Number of Outputs :
- 1
- Factory Lead Time :
- 6 Weeks
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Frequency - Switching :
- Up to 500kHz
- Surface Mount :
- No
- Input Current :
- 11mA
- Rise Time :
- 50ns
- Control Technique :
- PULSE WIDTH MODULATION
- Power Dissipation :
- 1W
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Mounting Type :
- Through Hole
- Topology :
- Boost, Buck, Buck-Boost, Flyback, Forward
- Operating Temperature :
- 0°C~70°C TA
- Height :
- 5.08mm
- Frequency :
- 450kHz
- Package / Case :
- 8-DIP (0.300, 7.62mm)
- Number of Pins :
- 8
- Nominal Input Voltage :
- 25V
- Max Duty Cycle :
- 100 %
- Lead Free :
- Lead Free
- Lifecycle Status :
- ACTIVE (Last Updated: 4 days ago)
- RoHS Status :
- ROHS3 Compliant
- Datasheets
- UC3842NG4
DC DC Switching Controllers Texas Instruments UC3842NG4 Overview
The UC3842NG4 from Texas Instruments is a high-performance PWM controller designed specifically for DC to DC switching converters. This component ensures efficient power management and is ideal for applications requiring reliable voltage regulation. As part of the Texas Instruments DC DC Switching Controllers category, this device integrates seamlessly into your power supply design, providing a stable and robust solution. The UC3842NG4 excels in simplifying complex circuit designs while enhancing overall system reliability and efficiency, making it a preferred choice for bulk purchasing by businesses aiming to optimize their electronic products.
UC3842NG4 Features
The UC3842NG4 includes several key features that make it standout as a superior PWM control solution. It operates with a minimal startup current, enhanced line and load regulation through its feed-forward compensation, and under-voltage lockout protection with hysteresis. Additionally, the device supports high-frequency operation and has programmable output deadtime, which is crucial for preventing overlap in switching components. Its robust design also ensures reliable operation under varied environmental conditions.
UC3842NG4 Applications
- Switch Mode Power Supplies (SMPS): Utilizes the UC3842NG4 for stable PWM signals to regulate voltage across varying loads efficiently, crucial in consumer electronics and industrial systems.
- DC-DC Converters: Employs this controller to manage and convert DC power at different voltage levels with high efficiency, ideal for portable devices and automotive applications.
- Battery Chargers: Applies the UC3842NG4 to ensure precise control over charging rates and voltages, enhancing battery life and safety in devices such as smartphones and electric vehicles.
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