UC3844NG4
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- Mfr.Part #
- UC3844NG4
- Manufacturer
- Texas Instruments
- Package / Case
- 8-DIP (0.260, 6.60mm)
- Datasheet
- Download
- Description
- IC REG CTRLR PWM CM 8DIP
- Stock
- 48,407
- In Stock ：
- 48,407
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- Manufacturer :
- Texas Instruments
- Product Category :
- DC DC Switching Controllers
- Pbfree Code :
- yes
- Supply Current-Max (Isup) :
- 25mA
- Synchronous Rectifier :
- No
- Control Mode :
- CURRENT-MODE
- Lead Free :
- Lead Free
- Weight :
- 528.605208mg
- Terminal Pitch :
- 2.54mm
- Output Configuration :
- Positive
- Mounting Type :
- Through Hole
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Operating Temperature :
- 0°C~70°C TA
- ECCN Code :
- EAR99
- Package / Case :
- 8-DIP (0.260, 6.60mm)
- Output Current :
- 200mA
- Packaging :
- Tube
- Number of Pins :
- 8
- Function :
- Step-Up, Step-Down, Step-Up/Step-Down
- Input Current :
- 11mA
- REACH SVHC :
- No SVHC
- Control Technique :
- PULSE WIDTH MODULATION
- Rise Time :
- 50ns
- Voltage - Supply (Vcc/Vdd) :
- 12V~28V
- Number of Terminations :
- 8
- Lifecycle Status :
- ACTIVE (Last Updated: 1 week ago)
- Height :
- 5.08mm
- Length :
- 9.81mm
- Topology :
- Boost, Buck, Buck-Boost, Flyback, Forward
- Frequency - Switching :
- Up to 500kHz
- Width :
- 6.35mm
- Terminal Position :
- Dual
- RoHS Status :
- ROHS3 Compliant
- Duty Cycle (Max) :
- 48%
- Factory Lead Time :
- 6 Weeks
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Input Voltage-Nom :
- 15V
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- JESD-609 Code :
- e4
- Fall Time (Typ) :
- 50 ns
- Frequency :
- 450kHz
- Surface Mount :
- No
- Output Voltage :
- 5V
- Nominal Input Voltage :
- 25V
- Control Features :
- Frequency Control
- Output Type :
- Transistor Driver
- Max Duty Cycle :
- 50 %
- Power Dissipation :
- 1W
- Thickness :
- 3.9mm
- Number of Outputs :
- 1
- Base Part Number :
- UC3844
- Datasheets
- UC3844NG4
DC DC Switching Controllers Texas Instruments UC3844NG4 Overview
The Texas Instruments UC3844NG4 is a high-performance PWM (Pulse Width Modulation) controller integrated circuit, specifically designed for DC to DC switching power supplies. This component stands out for its ability to drive efficient power conversion, making it an essential part of modern electronic applications. The UC3844NG4 optimizes power usage with its enhanced features such as programmable switching frequencies and internal soft-start functionality, ensuring reliable startup and protection against input overloads. With its robust design and proven efficiency, the DC DC Switching Controllers Texas Instruments UC3844NG4 is ideal for developers looking to improve the performance and reliability of their power supply units.
UC3844NG4 Features
The UC3844NG4 offers several key features that make it suitable for a wide range of power supply applications. These include a wide operating voltage range, a programmable frequency up to 500 kHz, and a high current totem-pole output capable of directly driving a MOSFET. Additionally, its built-in error amplifier contributes to enhanced loop response and system reliability. The UC3844NG4 also includes under-voltage lockout for safe operation, along with current mode operation which provides superior audio noise rejection and excellent output voltage stability.
UC3844NG4 Applications
- Power Supplies for Consumer Electronics: Used in TVs, computers, and audio systems to ensure stable and efficient power conversion.
- Telecommunication Equipment: Helps in the power management of telecom infrastructures, ensuring reliable operation under variable load conditions.
- Industrial Systems: Ideal for driving power supplies in industrial automation, providing the necessary robustness and precision required in such environments.
- Battery Chargers: Utilized in advanced battery management systems for efficient charging and enhanced battery life.
- LED Lighting: Drives LED drivers for consistent illumination in commercial and residential settings.
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