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
- JESD-609 Code :
- e4
- Output Current :
- 200mA
- Number of Pins :
- 8
- Base Part Number :
- UC3844
- Fall Time (Typ) :
- 50 ns
- Terminal Form :
- Gull wing
- Factory Lead Time :
- 6 Weeks
- Packaging :
- Tube
- Mounting Type :
- Surface Mount
- Control Features :
- Frequency Control
- Pbfree Code :
- yes
- Duty Cycle (Max) :
- 48%
- Weight :
- 72.603129mg
- Input Voltage-Nom :
- 15V
- ECCN Code :
- EAR99
- Terminal Position :
- Dual
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- RoHS Status :
- ROHS3 Compliant
- Frequency - Switching :
- Up to 500kHz
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Output Configuration :
- Positive
- Quiescent Current :
- 11mA
- Rise Time :
- 50ns
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Function :
- Step-Up, Step-Down, Step-Up/Step-Down
- Supply Current-Max (Isup) :
- 25mA
- Number of Outputs :
- 1
- Operating Temperature :
- 0°C~70°C TA
- Lifecycle Status :
- ACTIVE (Last Updated: 1 day ago)
- Output Type :
- Transistor Driver
- Nominal Input Voltage :
- 25V
- Height :
- 1.75mm
- Package / Case :
- 8-SOIC (0.154, 3.90mm Width)
- Frequency :
- 450kHz
- Output Voltage :
- 13.5V
- Max Duty Cycle :
- 50 %
- Length :
- 4.9mm
- Lead Free :
- Lead Free
- Surface Mount :
- yes
- Topology :
- Boost, Buck, Buck-Boost, Flyback, Forward
- REACH SVHC :
- No SVHC
- Thickness :
- 1.58mm
- Voltage - Supply (Vcc/Vdd) :
- 12V~28V
- Peak Reflow Temperature (Cel) :
- 260
- Synchronous Rectifier :
- No
- Number of Terminations :
- 8
- Width :
- 3.91mm
- Control Technique :
- PULSE WIDTH MODULATION
- Control Mode :
- CURRENT-MODE
- 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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