UC3844D8
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- Mfr.Part #
- UC3844D8
- Manufacturer
- Texas Instruments
- Package / Case
- 8-SOIC (0.154, 3.90mm Width)
- Datasheet
- Download
- Description
- IC REG CTRLR PWM CM 8SOIC
- Stock
- 37,222
- In Stock ：
- 37,222
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- Manufacturer :
- Texas Instruments
- Product Category :
- DC DC Switching Controllers
- Control Technique :
- PULSE WIDTH MODULATION
- Lifecycle Status :
- ACTIVE (Last Updated: 1 day ago)
- Rise Time :
- 50ns
- Packaging :
- Tube
- REACH SVHC :
- No SVHC
- Pbfree Code :
- yes
- RoHS Status :
- ROHS3 Compliant
- Frequency :
- 450kHz
- ECCN Code :
- EAR99
- Nominal Input Voltage :
- 25V
- Number of Outputs :
- 1
- Width :
- 3.91mm
- Surface Mount :
- yes
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Frequency - Switching :
- Up to 500kHz
- Lead Free :
- Lead Free
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Terminal Position :
- Dual
- Max Duty Cycle :
- 50 %
- Number of Pins :
- 8
- Thickness :
- 1.58mm
- Quiescent Current :
- 11mA
- Height :
- 1.75mm
- Control Mode :
- CURRENT-MODE
- Output Current :
- 200mA
- Synchronous Rectifier :
- No
- Base Part Number :
- UC3844
- Input Voltage-Nom :
- 15V
- Mounting Type :
- Surface Mount
- Terminal Form :
- Gull wing
- Number of Terminations :
- 8
- Function :
- Step-Up, Step-Down, Step-Up/Step-Down
- Peak Reflow Temperature (Cel) :
- 260
- Output Voltage :
- 13.5V
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Output Type :
- Transistor Driver
- Operating Temperature :
- 0°C~70°C TA
- Factory Lead Time :
- 6 Weeks
- JESD-609 Code :
- e4
- Output Configuration :
- Positive
- Fall Time (Typ) :
- 50 ns
- Control Features :
- Frequency Control
- Topology :
- Boost, Buck, Buck-Boost, Flyback, Forward
- Duty Cycle (Max) :
- 48%
- Supply Current-Max (Isup) :
- 25mA
- Length :
- 4.9mm
- Voltage - Supply (Vcc/Vdd) :
- 12V~28V
- Weight :
- 72.603129mg
- Package / Case :
- 8-SOIC (0.154, 3.90mm Width)
- Datasheets
- UC3844D8
DC DC Switching Controllers Texas Instruments UC3844D8 Overview
The DC DC Switching Controllers Texas Instruments UC3844D8 is a high-performance PWM controller designed for advanced DC-DC power supply systems. This integrated circuit is built by Texas Instruments, a leader in semiconductor solutions, ensuring top-tier reliability and efficiency. The UC3844D8 excels in applications that require precise voltage regulation and power management, making it a cornerstone for developing sophisticated electronic products. Its robust design and advanced technology make it particularly suitable for high-volume production needs of business customers looking for quality and durability.
UC3844D8 Features
The UC3844D8 offers several distinct features that enhance its utility in power management applications. It includes a programmable output operation up to 500 kHz, which allows for flexible design options in power supply schemes. The device also supports high-current totem pole output for driving a power MOSFET. Additionally, the UC3844D8 integrates features like undervoltage lockout with hysteresis, double pulse suppression, and current mode operation, providing critical protections and performance enhancements in demanding environments.
UC3844D8 Applications
- Server Power Supplies: Utilizes its high-frequency PWM capability to enhance efficiency in server power conversion and management systems.
- Telecom Power Systems: Applies its robust power handling and precision control to maintain stable operation under fluctuating loads typical in telecom infrastructures.
- Industrial Systems: Leverages its enhanced current mode control for improved response time and noise immunity, critical in industrial automation and control systems.
- Renewable Energy Systems: Implements its efficient power conversion for reliable operation in solar inverters and wind turbine power systems.
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