UC3842AD8TR
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- Mfr.Part #
- UC3842AD8TR
- Manufacturer
- Texas Instruments
- Package / Case
- 8-SOIC (0.154, 3.90mm Width)
- Datasheet
- Download
- Description
- IC REG CTRLR PWM CM 8SOIC
- Stock
- 5,955
- In Stock ：
- 5,955
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- Manufacturer :
- Texas Instruments
- Product Category :
- DC DC Switching Controllers
- Height :
- 1.75mm
- JESD-609 Code :
- e4
- Output Type :
- Transistor Driver
- Lifecycle Status :
- ACTIVE (Last Updated: 5 days ago)
- Surface Mount :
- yes
- Frequency :
- 450kHz
- Weight :
- 72.603129mg
- Number of Pins :
- 8
- Rise Time :
- 50ns
- Topology :
- Boost, Buck, Buck-Boost, Flyback, Forward
- RoHS Status :
- ROHS3 Compliant
- Mounting Type :
- Surface Mount
- Output Current :
- 200mA
- Output Voltage :
- 15V
- Control Mode :
- CURRENT-MODE
- Operating Temperature :
- 0°C~70°C TA
- Voltage - Supply (Vcc/Vdd) :
- 10V~30V
- Terminal Position :
- Dual
- Number of Terminations :
- 8
- Supply Voltage :
- 11V
- Function :
- Step-Up, Step-Down, Step-Up/Step-Down
- Peak Reflow Temperature (Cel) :
- 260
- Package / Case :
- 8-SOIC (0.154, 3.90mm Width)
- Max Duty Cycle :
- 100 %
- Control Technique :
- PULSE WIDTH MODULATION
- Frequency - Switching :
- Up to 500kHz
- Pbfree Code :
- yes
- Factory Lead Time :
- 6 Weeks
- Lead Free :
- Lead Free
- ECCN Code :
- EAR99
- Base Part Number :
- UC3842
- Terminal Form :
- Gull wing
- Output Configuration :
- Positive
- Thickness :
- 1.58mm
- Control Features :
- Frequency Control
- Nominal Input Voltage :
- 25V
- Supply Current-Max (Isup) :
- 25mA
- Fall Time (Typ) :
- 50 ns
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Input Voltage-Nom :
- 15V
- Number of Outputs :
- 1
- Duty Cycle (Max) :
- 96%
- Width :
- 3.91mm
- Synchronous Rectifier :
- No
- Length :
- 4.9mm
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Packaging :
- Tape and Reel (TR)
- Datasheets
- UC3842AD8TR
DC DC Switching Controllers Texas Instruments UC3842AD8TR Overview
The UC3842AD8TR from Texas Instruments is a robust PWM controller, specifically designed for high-performance DC DC switching applications. As an integral part of Texas Instruments' DC DC Switching Controllers category, this device ensures reliable and efficient control for switched-mode power supplies. The UC3842AD8TR is known for its enhanced system performance with a simplified circuit design, which is crucial for achieving scalability and efficiency in power management systems. With its implementation, engineers and designers can expect a significant reduction in system complexity and an increase in power supply robustness, making it a preferred choice for high-volume, demanding applications.
UC3842AD8TR Features
This PWM controller integrates multiple features that streamline its application across various demanding environments:
- Optimized for Off-Line and DC to DC Converters
- Low Start-Up Current (<1mA)
- Automatic Feed Forward Compensation
- Pulse-by-Pulse Current Limiting
- Enhanced Line Regulation
- Under-Voltage Lockout with Hysteresis
- High Current Totem Pole Output
- Up to 500 kHz Operation
UC3842AD8TR Applications
- Power Supplies for Desktops and Servers: Utilizes PWM control to improve efficiency and reliability in voltage regulation modules.
- Telecommunications Equipment: Enhances performance and power conservation in power supply systems within telecom infrastructures.
- DC-DC Converters: Critical in managing efficient power conversion in portable devices and automotive electronics.
- Battery Chargers: Optimizes charging protocols, ensuring safety and efficiency in consumer electronics and electric vehicles.
- LED Drivers: Provides stable current for high-intensity LEDs, ideal for lighting solutions in both commercial and residential settings.
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