UC2844AQD8
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- Mfr.Part #
- UC2844AQD8
- Manufacturer
- Texas Instruments
- Package / Case
- 8-SOIC (0.154, 3.90mm Width)
- Datasheet
- Download
- Description
- IC CURR-MODE PWM CTLR 8-SOIC
- Stock
- 7,839
- In Stock ：
- 7,839
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- Manufacturer :
- Texas Instruments
- Product Category :
- DC DC Switching Controllers
- Number of Outputs :
- 1
- Rise Time :
- 50ns
- Fall Time (Typ) :
- 50 ns
- Synchronous Rectifier :
- No
- Lead Free :
- Lead Free
- Weight :
- 75.608178mg
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Frequency - Switching :
- Up to 500kHz
- Frequency :
- 450kHz
- Terminal Form :
- Gull wing
- Output Current :
- 200mA
- Surface Mount :
- yes
- Function :
- Step-Up, Step-Down, Step-Up/Step-Down
- Duty Cycle (Max) :
- 48%
- Input Voltage (Max) :
- 25V
- Control Features :
- Frequency Control
- Length :
- 4.9mm
- Max Duty Cycle :
- 50 %
- Packaging :
- Tube
- Number of Terminations :
- 8
- Width :
- 3.91mm
- Quiescent Current :
- 11mA
- Input Voltage-Nom :
- 15V
- Number of Pins :
- 8
- JESD-609 Code :
- e4
- Voltage - Supply (Vcc/Vdd) :
- 10V~30V
- Output Configuration :
- Positive
- Lifecycle Status :
- ACTIVE (Last Updated: 1 day ago)
- Control Technique :
- PULSE WIDTH MODULATION
- RoHS Status :
- ROHS3 Compliant
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Thickness :
- 1.58mm
- Output Type :
- Transistor Driver
- Operating Temperature :
- -40°C~125°C TA
- Supply Voltage :
- 11V
- Height :
- 1.75mm
- Supply Current-Max (Isup) :
- 25mA
- Package / Case :
- 8-SOIC (0.154, 3.90mm Width)
- Topology :
- Boost, Buck, Buck-Boost, Flyback, Forward
- Output Voltage :
- 15V
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Terminal Position :
- Dual
- Factory Lead Time :
- 6 Weeks
- Pbfree Code :
- yes
- Mounting Type :
- Surface Mount
- Base Part Number :
- UC2844
- Control Mode :
- CURRENT-MODE
- ECCN Code :
- EAR99
- Peak Reflow Temperature (Cel) :
- 260
- Datasheets
- UC2844AQD8
DC DC Switching Controllers Texas Instruments UC2844AQD8 Overview
The Texas Instruments UC2844AQD8 is a state-of-the-art current mode pulse width modulation (PWM) controller, designed for sophisticated DC to DC conversion applications. This high-performance IC is engineered to deliver precise power control and enhanced stability across various operating conditions. Integrating innovative features that reduce system complexity and increase reliability, the UC2844AQD8 stands out as a robust solution for advanced power management. With its compact 8SOIC package, it ensures a minimal footprint while providing optimal functionality, making it an ideal choice for space-constrained applications that require efficient power handling and robust performance.
UC2844AQD8 Features
- High-performance current mode control
- Wide operating voltage range
- Programmable switching frequency up to 500 kHz
- Low startup current of 1 µA
- Automatic feed-forward compensation
- Pulse-by-pulse current limiting
- Enhanced line regulation
- Under-voltage lockout with hysteresis
UC2844AQD8 Applications
- Switching Power Supplies: Enhances the efficiency and reliability of power supply units by providing stable PWM control and accurate current sensing.
- DC-DC Converters: Utilized in step-up or step-down converters for managing power in various electronic devices, ensuring consistent output despite varying input voltage.
- Battery Chargers: Ideal for controlling the charging process in battery-operated devices, maximizing battery life and efficiency.
- LED Drivers: Used in driving LED arrays, providing consistent current for uniform brightness and improved lifespan of LEDs.
- Telecommunication Equipment: Ensures stable power supply in sensitive telecom hardware, crucial for maintaining system reliability and performance.
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