UC3842DTR
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- Mfr.Part #
- UC3842DTR
- Manufacturer
- Texas Instruments
- Package / Case
- 14-SOIC (0.154, 3.90mm Width)
- Datasheet
- Download
- Description
- IC REG CTRLR PWM CM 14SOIC
- Stock
- 22,850
- In Stock ：
- 22,850
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- Manufacturer :
- Texas Instruments
- Product Category :
- DC DC Switching Controllers
- Frequency :
- 450kHz
- JESD-609 Code :
- e4
- Number of Terminations :
- 14
- Rise Time :
- 50ns
- Package / Case :
- 14-SOIC (0.154, 3.90mm Width)
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Mounting Type :
- Surface Mount
- Output Type :
- Transistor Driver
- Packaging :
- Tape and Reel (TR)
- Weight :
- 122.413241mg
- Control Features :
- Frequency Control
- RoHS Status :
- ROHS3 Compliant
- Output Voltage :
- 13.5V
- Fall Time (Typ) :
- 50 ns
- Supply Current-Max (Isup) :
- 25mA
- Base Part Number :
- UC3842
- Duty Cycle (Max) :
- 97%
- Frequency - Switching :
- Up to 500kHz
- Control Mode :
- CURRENT-MODE
- Length :
- 8.65mm
- Voltage - Supply (Vcc/Vdd) :
- 12V~28V
- Pbfree Code :
- yes
- Input Voltage-Nom :
- 15V
- Factory Lead Time :
- 6 Weeks
- Width :
- 3.91mm
- Number of Pins :
- 14
- Topology :
- Boost, Buck, Buck-Boost, Flyback, Forward
- Thickness :
- 1.58mm
- Lead Free :
- Lead Free
- Max Duty Cycle :
- 100 %
- Lifecycle Status :
- ACTIVE (Last Updated: 5 days ago)
- Surface Mount :
- yes
- Peak Reflow Temperature (Cel) :
- 260
- Operating Temperature :
- 0°C~70°C TA
- Control Technique :
- PULSE WIDTH MODULATION
- Function :
- Step-Up, Step-Down, Step-Up/Step-Down
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Output Current :
- 200mA
- Synchronous Rectifier :
- No
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Number of Outputs :
- 1
- Output Configuration :
- Positive
- Terminal Form :
- Gull wing
- ECCN Code :
- EAR99
- Height :
- 1.75mm
- Nominal Input Voltage :
- 25V
- Terminal Position :
- Dual
- Datasheets
- UC3842DTR
DC DC Switching Controllers Texas Instruments UC3842DTR Overview
The UC3842DTR by Texas Instruments is a high-performance PWM controller specifically designed for DC to DC switching converters. As an integral component in power management solutions, this controller features a compact 14-SOIC package that facilitates miniaturization of PCB designs. Optimized for cost-effectiveness and power efficiency, the UC3842DTR excels in delivering reliable performance for a wide range of power supply applications. Its ability to handle variable input voltages while maintaining stability and efficiency makes it an ideal choice for developing advanced power solutions. With Texas Instruments' renowned engineering expertise behind it, the DC DC Switching Controllers Texas Instruments UC3842DTR ensures enhanced system reliability and performance in demanding environments.
UC3842DTR Features
The UC3842DTR controller includes several key features that make it a standout choice for power regulation applications. It offers a programmable switching frequency up to 500 kHz, enabling flexible design options for engineers. Additionally, its high current totem pole output is suitable for driving a power MOSFET. Built-in features such as under-voltage lockout ensure safe operation under all electrical conditions. Furthermore, its low startup and operating current contribute to improved energy efficiency.
UC3842DTR Applications
- Power Supplies for Consumer Electronics: Utilizes its PWM capabilities to provide stable and efficient power conversion, essential for devices such as TVs, computers, and gaming consoles.
- Telecommunications Equipment: Employs its high-frequency operation to facilitate smaller, lighter power supplies that meet the strict voltage regulation requirements of telecom infrastructure.
- Industrial Systems: Leverages its robust design and protective features to manage power in industrial environments, supporting machinery that requires reliable and consistent operation.
- Battery Chargers: Makes use of its efficient control of power to design chargers that optimize charging rates and prolong battery life for various types of batteries.
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