UC2844D8
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- Mfr.Part #
- UC2844D8
- Manufacturer
- Texas Instruments
- Package / Case
- 8-SOIC (0.154, 3.90mm Width)
- Datasheet
- Download
- Description
- IC CUR-MODE PWM CONT 8-SOIC
- Stock
- 56,915
- In Stock ：
- 56,915
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- Manufacturer :
- Texas Instruments
- Product Category :
- DC DC Switching Controllers
- Nominal Input Voltage :
- 25V
- Supply Current-Max (Isup) :
- 25mA
- Surface Mount :
- yes
- Output Configuration :
- Positive
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Mounting Type :
- Surface Mount
- ECCN Code :
- EAR99
- Factory Lead Time :
- 6 Weeks
- Frequency :
- 450kHz
- Output Type :
- Transistor Driver
- Number of Outputs :
- 1
- Function :
- Step-Up, Step-Down, Step-Up/Step-Down
- Voltage - Supply (Vcc/Vdd) :
- 12V~28V
- Control Technique :
- PULSE WIDTH MODULATION
- Width :
- 3.91mm
- Pbfree Code :
- yes
- Height :
- 1.75mm
- JESD-609 Code :
- e4
- Operating Temperature :
- -40°C~85°C TA
- Length :
- 4.9mm
- RoHS Status :
- ROHS3 Compliant
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Max Duty Cycle :
- 50 %
- Package / Case :
- 8-SOIC (0.154, 3.90mm Width)
- Weight :
- 72.603129mg
- Fall Time (Typ) :
- 50 ns
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Base Part Number :
- UC2844
- Terminal Form :
- Gull wing
- Packaging :
- Tube
- Duty Cycle (Max) :
- 48%
- REACH SVHC :
- No SVHC
- Number of Terminations :
- 8
- Output Voltage :
- 13.5V
- Control Features :
- Frequency Control
- Thickness :
- 1.58mm
- Number of Pins :
- 8
- Topology :
- Boost, Buck, Buck-Boost, Flyback, Forward
- Frequency - Switching :
- Up to 500kHz
- Input Voltage-Nom :
- 15V
- Synchronous Rectifier :
- No
- Lifecycle Status :
- ACTIVE (Last Updated: 5 days ago)
- Peak Reflow Temperature (Cel) :
- 260
- Control Mode :
- CURRENT-MODE
- Output Current :
- 200mA
- Lead Free :
- Lead Free
- Rise Time :
- 50ns
- Terminal Position :
- Dual
- Datasheets
- UC2844D8
DC DC Switching Controllers Texas Instruments UC2844D8 Overview
The Texas Instruments UC2844D8 is a high-performance current mode pulse width modulation (PWM) controller, housed in a compact 8SOIC package. This device is specifically designed to deliver precise power regulation with enhanced stability, making it ideal for a wide range of power conversion applications. The UC2844D8 integrates multiple features that reduce system complexity and improve efficiency and reliability. As a member of the DC DC Switching Controllers category, this product by Texas Instruments stands out for its robust design and adaptive capabilities, perfectly suited for demanding electronic environments.
UC2844D8 Features
The UC2844D8 offers several distinctive features that enhance its performance in power supply operations. Key features include a wide operating voltage range, high frequency operation up to 500 kHz, and improved line and load regulation through current mode control. Additionally, the device includes programmable soft start, under-voltage lockout, and leading-edge blanking on the current sense input, providing critical protection for sensitive components.
UC2844D8 Applications
- Switched Mode Power Supplies (SMPS): The UC2844D8 is used to control the duty cycle of power switches in SMPS, ensuring efficient power delivery and regulation with enhanced power handling capabilities.
- DC-DC Converters: This controller is ideal for managing DC-DC conversion processes, offering stability and high efficiency required in converting one DC voltage to another.
- Power Supply for Battery Chargers: It regulates the power supply in battery chargers, maintaining optimal charging conditions and extending battery life.
- LED Lighting: In LED lighting systems, the UC2844D8 helps in providing constant current supply, which is crucial for maintaining consistent brightness and improving the longevity of LEDs.
- Telecommunications Equipment: The device ensures reliable and stable power supply solutions for telecommunications hardware, critical for maintaining system integrity and operational reliability.
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