UC2844D
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- Mfr.Part #
- UC2844D
- Manufacturer
- Unitrode
- Package / Case
- 8-SOIC (0.154, 3.90mm Width)
- Datasheet
- Download
- Description
- UC2844 CURRENT-MODE PWM CONTROLL
- Stock
- 10,375
- In Stock ：
- 10,375
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- Manufacturer :
- Unitrode
- Product Category :
- DC DC Switching Controllers
- Mounting Type :
- Surface Mount
- Topology :
- Boost, Buck, Buck-Boost, Flyback, Forward
- REACH SVHC :
- No SVHC
- Weight :
- 72.603129mg
- Terminal Form :
- Gull wing
- Lifecycle Status :
- ACTIVE (Last Updated: 5 days ago)
- Fall Time (Typ) :
- 50 ns
- Number of Outputs :
- 1
- Peak Reflow Temperature (Cel) :
- 260
- Factory Lead Time :
- 6 Weeks
- Output Type :
- Transistor Driver
- Rise Time :
- 50ns
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Max Duty Cycle :
- 50 %
- Package / Case :
- 8-SOIC (0.154, 3.90mm Width)
- Terminal Position :
- Dual
- Control Technique :
- PULSE WIDTH MODULATION
- Function :
- Step-Up, Step-Down, Step-Up/Step-Down
- RoHS Status :
- ROHS3 Compliant
- Number of Pins :
- 8
- Lead Free :
- Lead Free
- Supply Current-Max (Isup) :
- 25mA
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Output Voltage :
- 13.5V
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- JESD-609 Code :
- e4
- Input Voltage-Nom :
- 15V
- Control Features :
- Frequency Control
- Output Current :
- 200mA
- Height :
- 1.75mm
- Frequency - Switching :
- Up to 500kHz
- Number of Terminations :
- 8
- Operating Temperature :
- -40°C~85°C TA
- Duty Cycle (Max) :
- 48%
- ECCN Code :
- EAR99
- Output Configuration :
- Positive
- Synchronous Rectifier :
- No
- Base Part Number :
- UC2844
- Thickness :
- 1.58mm
- Nominal Input Voltage :
- 25V
- Packaging :
- Tube
- Voltage - Supply (Vcc/Vdd) :
- 12V~28V
- Length :
- 4.9mm
- Width :
- 3.91mm
- Surface Mount :
- yes
- Control Mode :
- CURRENT-MODE
- Frequency :
- 450kHz
- Pbfree Code :
- yes
- Datasheets
- UC2844D
DC DC Switching Controllers Unitrode UC2844D Overview
The Unitrode UC2844D represents a pinnacle in the evolution of DC DC switching controllers, designed specifically to enhance system reliability and efficiency in a variety of power conversion applications. This controller utilizes a current-mode PWM architecture, which facilitates improved response to load transients and reduces noise sensitivity in the feedback loop, thereby enhancing overall system stability. The UC2844D is engineered for optimized performance in low-power applications, providing a robust and flexible solution that supports designers in achieving more efficient and compact power supply designs. Its versatility and high performance make it an essential component in the electronics industry, particularly appealing to B2B customers looking to purchase high-quality, reliable components in bulk.
UC2844D Features
The UC2844D boasts a range of features that make it an ideal choice for advanced power management solutions. Key features include a wide operating range, adjustable output control, and built-in frequency compensation. This controller also offers protection against overcurrent conditions, ensuring robust performance and longevity of your power management system. The high-performance standards and versatility ensure that it meets the demanding requirements of modern electronic devices and systems.
UC2844D Applications
- Power Supplies: The UC2844D is commonly used in the design of switch-mode power supplies (SMPS) where its current-mode control helps improve transient response and minimize the output voltage ripple in various load conditions.
- DC-DC Converters: Ideal for use in DC-DC converters, the UC2844D enhances efficiency and reliability in applications requiring voltage step-up or step-down, such as in automotive and industrial equipment.
- Battery Chargers: Employed in battery charger circuits, the UC2844D manages the charging rate effectively to extend battery life and ensure safety in consumer electronics, electric vehicles, and portable tools.
- LED Lighting: In LED lighting applications, the UC2844D ensures stable and efficient power management, enabling consistent illumination and longer lifespan of the lighting components.
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