UC2844AD
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- Mfr.Part #
- UC2844AD
- Manufacturer
- Texas Instruments
- Package / Case
- 14-SOIC (0.154, 3.90mm Width)
- Datasheet
- Download
- Description
- IC CUR-MODE PWM CONT 14-SOIC
- Stock
- 239
- In Stock ：
- 239
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- Manufacturer :
- Texas Instruments
- Product Category :
- DC DC Switching Controllers
- Rise Time :
- 50ns
- Control Features :
- Frequency Control
- Output Type :
- Transistor Driver
- Thickness :
- 1.58mm
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- JESD-609 Code :
- e4
- Input Voltage-Nom :
- 15V
- Factory Lead Time :
- 6 Weeks
- Packaging :
- Tube
- Width :
- 3.91mm
- Duty Cycle (Max) :
- 48%
- Length :
- 8.65mm
- Weight :
- 122.413241mg
- RoHS Status :
- ROHS3 Compliant
- Synchronous Rectifier :
- No
- ECCN Code :
- EAR99
- Base Part Number :
- UC2844
- Nominal Input Voltage :
- 25V
- Power Dissipation :
- 1W
- Frequency - Switching :
- Up to 500kHz
- Frequency :
- 450kHz
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Pbfree Code :
- yes
- Number of Terminations :
- 14
- Function :
- Step-Up, Step-Down, Step-Up/Step-Down
- Output Configuration :
- Positive
- Number of Outputs :
- 1
- Output Current :
- 1A
- Control Technique :
- PULSE WIDTH MODULATION
- Terminal Form :
- Gull wing
- Topology :
- Boost, Buck, Buck-Boost, Flyback, Forward
- Peak Reflow Temperature (Cel) :
- 260
- Input Current :
- 11mA
- Lead Free :
- Lead Free
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Fall Time (Typ) :
- 50 ns
- Lifecycle Status :
- ACTIVE (Last Updated: 5 days ago)
- REACH SVHC :
- No SVHC
- Supply Current-Max (Isup) :
- 25mA
- Max Duty Cycle :
- 50 %
- Control Mode :
- CURRENT-MODE
- Output Voltage :
- 15V
- Height :
- 1.75mm
- Operating Temperature :
- -40°C~85°C TA
- Package / Case :
- 14-SOIC (0.154, 3.90mm Width)
- Supply Voltage :
- 11V
- Terminal Position :
- Dual
- Voltage - Supply (Vcc/Vdd) :
- 10V~30V
- Number of Pins :
- 14
- Mounting Type :
- Surface Mount
- Surface Mount :
- yes
- Datasheets
- UC2844AD
DC DC Switching Controllers Texas Instruments UC2844AD Overview
The UC2844AD from Texas Instruments is a high-performance current mode PWM controller contained in a 14SOIC package. It is specifically designed for efficient power management and precision in a wide array of DC-DC switching applications. The UC2844AD stands out for its robust design and functionality, which includes programmable output, low startup current, and automatic shutdown capabilities. Its ability to handle high-voltage operations while maintaining stability and reliability makes it an ideal choice for sophisticated electronic systems needing optimal power solutions. Utilizing this controller can significantly enhance system performance by improving power efficiency and reducing operational costs.
UC2844AD Features
The UC2844AD is packed with several features that make it a versatile component in any power supply design. These include a wide operating range, adjustable duty cycle up to 50%, and a high-frequency operation up to 500 kHz. Additionally, it offers under-voltage lockout with hysteresis, low start-up and operating currents, and enhanced line regulation. These features contribute to a highly efficient, reliable, and flexible controller suitable for demanding applications.
UC2844AD Applications
- Telecommunications Equipment: Utilized for power supply management to ensure stable and efficient operation under varying load conditions.
- Consumer Electronics: Ideal for driving efficient power conversion in devices such as laptops, televisions, and gaming consoles, enhancing power efficiency and device longevity.
- Industrial Systems: Applied in industrial power supplies where robustness and high efficiency are required, helping to minimize energy waste and increase system reliability.
- Renewable Energy Systems: Used in solar inverters and other renewable energy applications, maximizing energy conversion efficiency from natural sources.
- Automotive Electronics: Supports automotive applications like power regulators and battery managers, crucial for performance and safety enhancements.
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