UC1844L
- Mfr.Part #
- UC1844L
- Manufacturer
- Texas Instruments
- Package / Case
- 20-LCC (J-Lead)
- Datasheet
- Download
- Description
- SWITCHING CONTROLLER
- Stock
- 84
- In Stock :
- 84
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- * Fullname:
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- Manufacturer :
- Texas Instruments
- Product Category :
- DC DC Switching Controllers
- Pbfree Code :
- No
- Supplier Device Package :
- 20-PLCC (9x9)
- Package Shape :
- Square
- Output Current-Max :
- 1 A
- Rise Time :
- 50 ns
- Terminal Form :
- NO LEAD
- Output Phases :
- 1
- Manufacturer :
- Rochester Electronics LLC
- Number of Functions :
- 1
- Switching Frequency-Max :
- 500 kHz
- Number of Outputs :
- 1
- Mount :
- Surface Mount
- Length :
- 8.89 mm
- Terminal Pitch :
- 1.27 mm
- Package / Case :
- 20-LCC (J-Lead)
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Pin Count :
- 20
- Function :
- Step-Up, Step-Up/Step-Down
- Number of Terminals :
- 20
- Product Status :
- Active
- Synchronous Rectifier :
- No
- Output Configuration :
- Positive, Isolation Capable
- Width :
- 8.89 mm
- Output Current :
- 1 kA
- Package :
- Bulk
- Output Type :
- Transistor Driver
- Peak Reflow Temperature (Cel) :
- NOT SPECIFIED
- Control Technique :
- PULSE WIDTH MODULATION
- Duty Cycle (Max) :
- 48%
- Switcher Configuration :
- Single
- Mounting Type :
- Surface Mount
- Operating Temperature :
- -55°C ~ 125°C (TA)
- Voltage - Supply (Vcc/Vdd) :
- 10V ~ 30V
- Control Mode :
- CURRENT-MODE
- Control Features :
- Frequency Control
- Switching Frequency :
- 500 kHz
- Max Supply Voltage :
- 30 V
- Topology :
- Boost, Flyback
- Packaging :
- Rail/Tube
- Terminal Finish :
- NOT SPECIFIED
- Reach Compliance Code :
- Unknown
- Clock Sync :
- No
- Duty Cycle :
- 50 %
- Serial Interfaces :
- -
- Frequency - Switching :
- Up to 500kHz
- RoHS :
- Compliant
- Series :
- -
- Terminal Position :
- QUAD
- Surface Mount :
- yes
- JESD-30 Code :
- S-CQCC-N20
- Number of Pins :
- 20
- Seated Height-Max :
- 2.03 mm
- Input Voltage-Nom :
- 15 V
- Temperature Grade :
- Military
- Datasheets
- UC1844L
UC1844L Documents

DC DC Switching Controllers Texas Instruments UC1844L Overview
The Texas Instruments UC1844L is a high-performance switching controller designed to address the rigorous demands of power supply design. As part of the DC DC Switching Controllers category, this product excels in managing efficient power conversion, making it ideal for sophisticated electronic systems. The UC1844L integrates innovative features that enhance system reliability and performance, such as programmable output and pulse-width modulation capabilities. This controller is specifically engineered to facilitate design flexibility and is suitable for a wide range of high-efficiency applications, promoting energy conservation and cost-effectiveness in bulk purchasing scenarios for business customers.
UC1844L Features
The UC1844L from Texas Instruments incorporates several key features that distinguish it in the field of power management. These include a wide operating voltage range, high current handling capabilities, and enhanced circuit protection mechanisms. Furthermore, it offers adjustable frequency control to optimize performance across different applications, ensuring that users can tailor their power systems for optimal efficiency and reliability.
UC1844L Applications
- Server Power Supplies: The UC1844L ensures reliable and efficient power conversion in server environments, optimizing performance and energy usage in high-demand settings.
- Telecommunications Equipment: With its robust design, the UC1844L is ideal for managing power in telecommunications infrastructure, ensuring consistent performance and durability under variable load conditions.
- Industrial Systems: The controller is crucial for industrial applications requiring stable and efficient power management, thereby enhancing system reliability and operational longevity.
- Renewable Energy Systems: In solar inverters and other renewable energy applications, the UC1844L optimizes power conversion processes, maximizing energy efficiency and contributing to sustainable operations.
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