UC2844D8G4
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- Mfr.Part #
- UC2844D8G4
- Manufacturer
- Texas Instruments
- Package / Case
- 8-SOIC (0.154, 3.90mm Width)
- Datasheet
- Download
- Description
- IC PWM BOOST FLYBCK ISO CM 8SOIC
- Stock
- 31,573
- In Stock ：
- 31,573
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- Manufacturer :
- Texas Instruments
- Product Category :
- DC DC Switching Controllers
- Nominal Input Voltage :
- 25V
- Surface Mount :
- yes
- Function :
- Step-Up, Step-Down, Step-Up/Step-Down
- Supply Current-Max (Isup) :
- 25mA
- JESD-609 Code :
- e4
- Package / Case :
- 8-SOIC (0.154, 3.90mm Width)
- Width :
- 3.91mm
- Weight :
- 72.603129mg
- Lead Free :
- Lead Free
- Control Technique :
- PULSE WIDTH MODULATION
- ECCN Code :
- EAR99
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Packaging :
- Tube
- Number of Terminations :
- 8
- Number of Outputs :
- 1
- Pbfree Code :
- yes
- RoHS Status :
- ROHS3 Compliant
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Control Features :
- Frequency Control
- Voltage - Supply (Vcc/Vdd) :
- 12V~28V
- Thickness :
- 1.58mm
- Control Mode :
- CURRENT-MODE
- Max Duty Cycle :
- 50 %
- Synchronous Rectifier :
- No
- Terminal Form :
- Gull wing
- Output Voltage :
- 13.5V
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Fall Time (Typ) :
- 50 ns
- Frequency - Switching :
- Up to 500kHz
- Base Part Number :
- UC2844
- Frequency :
- 450kHz
- Rise Time :
- 50ns
- Lifecycle Status :
- ACTIVE (Last Updated: 4 days ago)
- Length :
- 4.9mm
- Output Current :
- 200mA
- Operating Temperature :
- -40°C~85°C TA
- Output Type :
- Transistor Driver
- Input Voltage-Nom :
- 15V
- Factory Lead Time :
- 6 Weeks
- Height :
- 1.75mm
- Peak Reflow Temperature (Cel) :
- 260
- Mounting Type :
- Surface Mount
- Number of Pins :
- 8
- Output Configuration :
- Positive
- Topology :
- Boost, Buck, Buck-Boost, Flyback, Forward
- Duty Cycle (Max) :
- 48%
- Terminal Position :
- Dual
- Datasheets
- UC2844D8G4
DC DC Switching Controllers Texas Instruments UC2844D8G4 Overview
The Texas Instruments UC2844D8G4 is a high-performance PWM (Pulse Width Modulation) controller designed for a variety of power supply applications. Specifically tailored for DC DC switching controllers, this IC excels in boosting, flyback, and isolated converter applications. The UC2844D8G4 utilizes current-mode control which provides simple external compensation and flexible component selection. Its robust design is optimized for efficient power management, making it ideal for volume production needs in industrial markets. The integration of this IC in your power management systems ensures improved reliability and performance, aligning with the rigorous demands of modern electronic applications.
UC2844D8G4 Features
This IC comes equipped with numerous features that enhance its efficiency and functionality in complex power supply designs. Key features include a wide operating range with a start-up current of just 0.5mA and an operating current under 9mA. The UC2844D8G4 also offers under-voltage lockout with hysteresis, a high current totem-pole output capable of driving a power MOSFET, and programmable PWM frequency that allows users to set the optimal balance between efficiency and component size.
UC2844D8G4 Applications
- Power Supply Units: Utilized in server power supplies to regulate voltage and ensure stable operation across varying load conditions.
- Battery Chargers: Essential for managing the charge process, ensuring efficiency and safety in devices ranging from smartphones to electric vehicles.
- LED Drivers: Drives LED arrays offering consistent lighting while maximizing energy efficiency in commercial and industrial lighting applications.
- Telecommunications Equipment: Integral in providing reliable power management solutions within telecom infrastructures, enhancing system reliability and longevity.
- Consumer Electronics: Used in various consumer electronics to regulate power supply, ensuring optimal performance and extending device lifespan.
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