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
- Number of Terminations :
- 14
- Base Part Number :
- UC2844
- Mounting Type :
- Surface Mount
- Fall Time (Typ) :
- 50 ns
- Pbfree Code :
- yes
- Width :
- 3.91mm
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- ECCN Code :
- EAR99
- Output Current :
- 1A
- JESD-609 Code :
- e4
- Synchronous Rectifier :
- No
- Output Configuration :
- Positive
- Control Technique :
- PULSE WIDTH MODULATION
- Input Current :
- 11mA
- Rise Time :
- 50ns
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Terminal Form :
- Gull wing
- Function :
- Step-Up, Step-Down, Step-Up/Step-Down
- Nominal Input Voltage :
- 25V
- Number of Pins :
- 14
- Peak Reflow Temperature (Cel) :
- 260
- Frequency :
- 450kHz
- Number of Outputs :
- 1
- Height :
- 1.75mm
- Surface Mount :
- yes
- Length :
- 8.65mm
- Duty Cycle (Max) :
- 48%
- Lifecycle Status :
- ACTIVE (Last Updated: 5 days ago)
- Power Dissipation :
- 1W
- Max Duty Cycle :
- 50 %
- Output Voltage :
- 15V
- Input Voltage-Nom :
- 15V
- Output Type :
- Transistor Driver
- Thickness :
- 1.58mm
- Frequency - Switching :
- Up to 500kHz
- Topology :
- Boost, Buck, Buck-Boost, Flyback, Forward
- Package / Case :
- 14-SOIC (0.154, 3.90mm Width)
- Terminal Position :
- Dual
- Factory Lead Time :
- 6 Weeks
- Weight :
- 122.413241mg
- Control Mode :
- CURRENT-MODE
- REACH SVHC :
- No SVHC
- Supply Current-Max (Isup) :
- 25mA
- Supply Voltage :
- 11V
- Packaging :
- Tube
- RoHS Status :
- ROHS3 Compliant
- Operating Temperature :
- -40°C~85°C TA
- Lead Free :
- Lead Free
- Voltage - Supply (Vcc/Vdd) :
- 10V~30V
- Control Features :
- Frequency Control
- 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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