UC3844D8
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- Mfr.Part #
- UC3844D8
- Manufacturer
- Texas Instruments
- Package / Case
- 8-SOIC (0.154, 3.90mm Width)
- Datasheet
- Download
- Description
- UC3844 CURRENT-MODE PWM CONTROLL
- Stock
- 6,090
- In Stock ：
- 6,090
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- Manufacturer :
- Texas Instruments
- Product Category :
- DC DC Switching Controllers
- Supply Current-Max (Isup) :
- 25mA
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Mounting Type :
- Surface Mount
- Base Part Number :
- UC3844
- Width :
- 3.91mm
- Fall Time (Typ) :
- 50 ns
- Package / Case :
- 8-SOIC (0.154, 3.90mm Width)
- Operating Temperature :
- 0°C~70°C TA
- Frequency - Switching :
- Up to 500kHz
- Pbfree Code :
- yes
- Number of Pins :
- 8
- Lead Free :
- Lead Free
- Number of Outputs :
- 1
- JESD-609 Code :
- e4
- RoHS Status :
- ROHS3 Compliant
- Height :
- 1.75mm
- Input Voltage-Nom :
- 15V
- ECCN Code :
- EAR99
- Surface Mount :
- yes
- Output Voltage :
- 13.5V
- Factory Lead Time :
- 6 Weeks
- Voltage - Supply (Vcc/Vdd) :
- 12V~28V
- Thickness :
- 1.58mm
- Length :
- 4.9mm
- Output Current :
- 200mA
- Output Configuration :
- Positive
- Weight :
- 72.603129mg
- Rise Time :
- 50ns
- Terminal Form :
- Gull wing
- Terminal Position :
- Dual
- REACH SVHC :
- No SVHC
- Number of Terminations :
- 8
- Frequency :
- 450kHz
- Max Duty Cycle :
- 50 %
- Lifecycle Status :
- ACTIVE (Last Updated: 1 day ago)
- Topology :
- Boost, Buck, Buck-Boost, Flyback, Forward
- Duty Cycle (Max) :
- 48%
- Peak Reflow Temperature (Cel) :
- 260
- Nominal Input Voltage :
- 25V
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Control Technique :
- PULSE WIDTH MODULATION
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Synchronous Rectifier :
- No
- Control Mode :
- CURRENT-MODE
- Function :
- Step-Up, Step-Down, Step-Up/Step-Down
- Packaging :
- Tube
- Quiescent Current :
- 11mA
- Output Type :
- Transistor Driver
- Control Features :
- Frequency Control
- Datasheets
- UC3844D8
DC DC Switching Controllers Texas Instruments UC3844D8 Overview
The Texas Instruments UC3844D8 is a robust and versatile DC DC Switching Controller designed for high-performance applications requiring precise current mode PWM control. Engineered by Texas Instruments, a leader in semiconductor solutions, this controller integrates advanced features to ensure efficient power management and reliable operation across various demanding environments. The UC3844D8 is particularly suitable for applications that benefit from its optimized gate driver and undervoltage lockout capabilities, making it a prime choice for system designers looking to enhance power supply efficiency and performance.
UC3844D8 Features
The UC3844D8 boasts an array of features designed to enhance system reliability and power efficiency. Key features include a programmable oscillator, a wide input voltage range, and enhanced line and load regulation capabilities. Additionally, it offers protective measures such as under-voltage lockout with hysteresis, a trimmed oscillator for precise frequency control, and temperature-compensated current sensing for improved protection and durability.
UC3844D8 Applications
- Power Supplies: Utilized in switch-mode power supplies (SMPS) to regulate voltage and current, ensuring stable and efficient power delivery to critical components.
- LED Drivers: Implements current mode control in LED lighting systems to provide consistent illumination while maximizing energy efficiency.
- Battery Chargers: Employed in battery charging circuits to manage the power flow, optimizing the charging process to extend battery life and enhance safety.
- Telecommunications Equipment: Integral in the power regulation systems of telecom infrastructures to maintain robust and uninterrupted operation across varying load conditions.
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