UC3843D8G4
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- Mfr.Part #
- UC3843D8G4
- Manufacturer
- Texas Instruments
- Package / Case
- 8-SOIC (0.154, 3.90mm Width)
- Datasheet
- Download
- Description
- IC REG CTRLR MULT TOPOLOGY 8SOIC
- Stock
- 16,949
- In Stock ：
- 16,949
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- Manufacturer :
- Texas Instruments
- Product Category :
- DC DC Switching Controllers
- Rise Time :
- 50ns
- Package / Case :
- 8-SOIC (0.154, 3.90mm Width)
- Lifecycle Status :
- ACTIVE (Last Updated: 5 days ago)
- Supply Current-Max (Isup) :
- 25mA
- Terminal Form :
- Gull wing
- Voltage - Supply (Vcc/Vdd) :
- 12V~28V
- Synchronous Rectifier :
- No
- Frequency :
- 450kHz
- Width :
- 3.91mm
- Number of Pins :
- 8
- Length :
- 4.9mm
- ECCN Code :
- EAR99
- Packaging :
- Tube
- Thickness :
- 1.58mm
- RoHS Status :
- ROHS3 Compliant
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Input Voltage-Nom :
- 15V
- Base Part Number :
- UC3843
- Weight :
- 72.603129mg
- Output Type :
- Transistor Driver
- Lead Free :
- Lead Free
- Operating Temperature :
- 0°C~70°C TA
- Number of Terminations :
- 8
- Fall Time (Typ) :
- 50 ns
- Output Configuration :
- Positive
- Frequency - Switching :
- Up to 500kHz
- Nominal Input Voltage :
- 25V
- Control Mode :
- CURRENT-MODE
- Output Voltage :
- 13.5V
- Peak Reflow Temperature (Cel) :
- 260
- Terminal Position :
- Dual
- Topology :
- Boost, Buck, Buck-Boost, Flyback, Forward
- Function :
- Step-Up, Step-Down, Step-Up/Step-Down
- Height :
- 1.75mm
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Number of Outputs :
- 1
- Control Features :
- Frequency Control
- Factory Lead Time :
- 6 Weeks
- JESD-609 Code :
- e4
- Max Duty Cycle :
- 100 %
- Mounting Type :
- Surface Mount
- Duty Cycle (Max) :
- 97%
- Surface Mount :
- yes
- Control Technique :
- PULSE WIDTH MODULATION
- Pbfree Code :
- yes
- Output Current :
- 200mA
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Datasheets
- UC3843D8G4
DC DC Switching Controllers Texas Instruments UC3843D8G4 Overview
The UC3843D8G4 from Texas Instruments is a high-performance integrated circuit specifically designed for controlling DC DC switching power supplies. This IC is part of the DC DC Switching Controllers category and is housed in an 8SOIC package, making it ideal for compact applications where space and efficiency are critical. The UC3843D8G4 enhances system reliability with its built-in features such as under-voltage lockout and current limiting, ensuring stable and safe operation under a variety of conditions. With its robust design and proven technology, the UC3843D8G4 is the perfect choice for developers looking to create efficient and durable power supply solutions.
UC3843D8G4 Features
This controller IC excels in performance and versatility, featuring:
- Multiple topology support including Boost, Flyback, and Forward converters.
- High-frequency operation up to 500 kHz, which allows smaller-sized components to be used, reducing overall design size.
- Current mode operation provides superior transient response and simplified loop compensation.
- Programmable soft-start feature reduces stress on the power supply during startup.
- Under-voltage lockout with hysteresis ensures stable operation during power-up and power-down scenarios.
UC3843D8G4 Applications
- Power Supplies for Consumer Electronics: Ensures efficient power conversion in devices such as TVs and computers, enhancing their energy efficiency and performance stability.
- LED Lighting Systems: Utilizes current mode control for precise brightness and color control, contributing to energy savings and longer LED lifespans.
- Battery Chargers: Suitable for applications requiring efficient power management and precise charging control to extend battery health and safety.
- Telecommunication Equipment: Provides reliable and efficient power supply solutions, critical for the stable operation of telecommunication infrastructures.
- Automotive Applications: Can be used in electronic control units, infotainment systems, and other automotive modules that require efficient power management.
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