UC3844AD
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- Mfr.Part #
- UC3844AD
- Manufacturer
- Texas Instruments
- Package / Case
- 14-SOIC (0.154, 3.90mm Width)
- Datasheet
- Download
- Description
- IC REG CTRLR PWM CM 14SOIC
- Stock
- 1,001
- In Stock ：
- 1,001
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- Manufacturer :
- Texas Instruments
- Product Category :
- DC DC Switching Controllers
- Duty Cycle (Max) :
- 48%
- Output Current :
- 200mA
- Surface Mount :
- yes
- Frequency :
- 450kHz
- Package / Case :
- 14-SOIC (0.154, 3.90mm Width)
- Voltage - Supply (Vcc/Vdd) :
- 10V~30V
- Number of Pins :
- 14
- Lead Free :
- Lead Free
- Power Dissipation :
- 1W
- Frequency - Switching :
- Up to 500kHz
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Thickness :
- 1.58mm
- Nominal Input Voltage :
- 25V
- Supply Voltage :
- 11V
- Factory Lead Time :
- 6 Weeks
- Operating Temperature :
- 0°C~70°C TA
- Number of Outputs :
- 1
- Packaging :
- Tube
- Weight :
- 122.413241mg
- JESD-609 Code :
- e4
- Fall Time (Typ) :
- 50 ns
- Rise Time :
- 50ns
- Control Mode :
- CURRENT-MODE
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Length :
- 8.65mm
- Base Part Number :
- UC3844
- Width :
- 3.91mm
- Control Features :
- Frequency Control
- Output Type :
- Transistor Driver
- Output Configuration :
- Positive
- Terminal Form :
- Gull wing
- Control Technique :
- PULSE WIDTH MODULATION
- Function :
- Step-Up, Step-Down, Step-Up/Step-Down
- Max Duty Cycle :
- 50 %
- Topology :
- Boost, Buck, Buck-Boost, Flyback, Forward
- Pbfree Code :
- yes
- Synchronous Rectifier :
- No
- Supply Current-Max (Isup) :
- 25mA
- Quiescent Current :
- 11mA
- Input Current :
- 11mA
- Peak Reflow Temperature (Cel) :
- 260
- Mounting Type :
- Surface Mount
- Terminal Position :
- Dual
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Number of Terminations :
- 14
- RoHS Status :
- ROHS3 Compliant
- ECCN Code :
- EAR99
- Input Voltage-Nom :
- 15V
- Height :
- 1.75mm
- REACH SVHC :
- No SVHC
- Output Voltage :
- 15V
- Lifecycle Status :
- ACTIVE (Last Updated: 5 days ago)
- Datasheets
- UC3844AD
DC DC Switching Controllers Texas Instruments UC3844AD Overview
Introducing the UC3844AD from Texas Instruments, a top-tier PWM control integrated circuit specifically designed for sophisticated DC-DC switching controllers. This device excels in delivering enhanced performance and reliability for a wide range of power conversion applications. The UC3844AD offers high-frequency operation and a low start-up current, making it an ideal choice for developers looking to achieve efficient power management and regulation in their systems. Utilizing advanced bipolar technology, it ensures robustness and precision in managing and controlling current mode switchers. The integration of this [DC DC Switching Controllers Texas Instruments UC3844AD] into your projects promises exceptional power control, stability, and efficiency, tailored to meet the rigorous demands of modern electronic devices.
UC3844AD Features
The UC3844AD stands out with several key features that enhance its utility in power management applications. These include an optimized current mode control method, which provides excellent loop stability and fast response to load changes. Furthermore, the device is equipped with an oscillator whose frequency can be programmed up to 500 kHz, a wide input voltage range, and built-in under-voltage lockout features. The enhanced feature set also covers over-current protection and a programmable soft-start function, which minimizes stress during the initial power-up phase.
UC3844AD Applications
- Server Power Supplies: The UC3844AD can be implemented in server power supplies to ensure efficient, reliable, and stable power management under variable load conditions.
- Telecommunications Equipment: Utilized in telecommunications systems, this controller helps manage power supply in critical communication infrastructure, enhancing performance and reliability.
- Battery Chargers: Its precise control makes it suitable for advanced battery charging applications, where maintaining the balance between charge speed and battery health is crucial.
- DC-DC Converters: Ideal for use in DC-DC converters that require high efficiency and tight voltage regulation across a broad range of input voltages and load conditions.
- LED Lighting: The UC3844AD is also used in LED lighting applications, providing efficient power conversion, which is essential for maintaining the longevity and brightness of LEDs.
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