UC3844N
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- Mfr.Part #
- UC3844N
- Manufacturer
- Texas Instruments
- Package / Case
- 8-DIP (0.300, 7.62mm)
- Datasheet
- Download
- Description
- IC REG CTRLR PWM CM 8DIP
- Stock
- 7,199
- In Stock ：
- 7,199
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- Manufacturer :
- Texas Instruments
- Product Category :
- DC DC Switching Controllers
- RoHS Status :
- ROHS3 Compliant
- Package / Case :
- 8-DIP (0.300, 7.62mm)
- Mount :
- DIP
- Supply Current-Max (Isup) :
- 25mA
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Pbfree Code :
- yes
- Topology :
- Boost, Buck, Buck-Boost, Flyback, Forward
- Width :
- 6.35mm
- REACH SVHC :
- No SVHC
- Factory Lead Time :
- 6 Weeks
- Number of Pins :
- 8
- Number of Terminations :
- 8
- Control Features :
- Frequency Control
- Rise Time :
- 50ns
- Control Mode :
- CURRENT-MODE
- ECCN Code :
- EAR99
- Length :
- 9.81mm
- Output Voltage :
- 13.5V
- Input Voltage-Nom :
- 15V
- Output Type :
- Transistor Driver
- Lead Free :
- Lead Free
- Nominal Input Voltage :
- 25V
- JESD-609 Code :
- e4
- Function :
- Step-Up, Step-Down, Step-Up/Step-Down
- Lifecycle Status :
- ACTIVE (Last Updated: 1 day ago)
- Number of Outputs :
- 1
- Terminal Pitch :
- 2.54mm
- Thickness :
- 3.9mm
- Frequency :
- 450kHz
- Terminal Position :
- Dual
- Synchronous Rectifier :
- No
- Control Technique :
- PULSE WIDTH MODULATION
- Base Part Number :
- UC3844
- Packaging :
- Tube
- Output Configuration :
- Positive
- Weight :
- 528.605208mg
- Duty Cycle (Max) :
- 48%
- Fall Time (Typ) :
- 50 ns
- Operating Temperature :
- 0°C~70°C TA
- Max Duty Cycle :
- 50 %
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Height :
- 5.08mm
- Frequency - Switching :
- Up to 500kHz
- Quiescent Current :
- 11mA
- Power Dissipation :
- 1W
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Voltage - Supply (Vcc/Vdd) :
- 12V~28V
- Output Current :
- 1A
- Mounting Type :
- Through Hole
- Input Current :
- 11mA
- Datasheets
- UC3844N
DC DC Switching Controllers Texas Instruments UC3844N Overview
The Texas Instruments UC3844N is an advanced DC DC Switching Controller designed to deliver high-performance and reliable solutions for power management challenges. Its robust design is specifically tailored for demanding applications, offering enhanced PWM control that ensures efficient power delivery and stability. The UC3844N integrates multiple features including programmable frequency up to 500 kHz, which makes it a versatile choice for a broad range of industrial and commercial applications. This controller's ability to operate under variable input conditions while maintaining precise output regulation makes the DC DC Switching Controllers Texas Instruments UC3844N an essential component for power systems requiring stringent control.
UC3844N Features
The UC3844N boasts several key features that make it stand out in the realm of power management. These include a wide input voltage range, enabling it to operate with different levels of power supply. It also features a high current totem pole output, designed to drive capacitive loads with higher efficiency. Furthermore, its current mode operation ensures improved transient response and simplifies loop compensation. The low startup current minimizes initial power draw, making it energy-efficient from the onset.
UC3844N Applications
- Power Supplies: Utilized in both isolated and non-isolated configurations, the UC3844N enhances efficiency and reliability in switch-mode power supplies.
- LED Lighting: Drives LED drivers for consistent illumination and efficient power use, optimizing performance in commercial and industrial settings.
- Chargers: Applied in battery chargers, the UC3844N ensures safe and efficient charging by regulating power flow and maintaining stability.
- Telecommunication Equipment: Supports telecommunication infrastructures by providing reliable power management solutions that cater to fluctuating power needs.
- Consumer Electronics: Integrates into consumer electronics to ensure power efficiency and enhance the durability of the devices.
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