UC3843AD8
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- Mfr.Part #
- UC3843AD8
- Manufacturer
- Texas Instruments
- Package / Case
- 8-SOIC (0.154, 3.90mm Width)
- Datasheet
- Download
- Description
- IC REG CTRLR MULT TOPOLOGY 8SOIC
- Stock
- 47,175
- In Stock ：
- 47,175
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- Manufacturer :
- Texas Instruments
- Product Category :
- DC DC Switching Controllers
- Terminal Form :
- Gull wing
- Number of Outputs :
- 1
- Rise Time :
- 50ns
- Weight :
- 72.603129mg
- Max Duty Cycle :
- 100 %
- Nominal Input Voltage :
- 25V
- Duty Cycle (Max) :
- 96%
- Input Voltage-Nom :
- 15V
- Lead Free :
- Lead Free
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Fall Time (Typ) :
- 50 ns
- Factory Lead Time :
- 6 Weeks
- Package / Case :
- 8-SOIC (0.154, 3.90mm Width)
- Power Dissipation :
- 1W
- Width :
- 3.91mm
- Surface Mount :
- yes
- Control Mode :
- CURRENT-MODE
- REACH SVHC :
- No SVHC
- Frequency :
- 500kHz
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Quiescent Current :
- 11mA
- Base Part Number :
- UC3843
- Synchronous Rectifier :
- No
- Supply Voltage :
- 11V
- Supply Current-Max (Isup) :
- 25mA
- Control Technique :
- PULSE WIDTH MODULATION
- Peak Reflow Temperature (Cel) :
- 260
- Output Current :
- 200mA
- RoHS Status :
- ROHS3 Compliant
- Number of Pins :
- 8
- Terminal Position :
- Dual
- Thickness :
- 1.58mm
- Packaging :
- Tube
- Output Type :
- Transistor Driver
- Operating Temperature :
- 0°C~70°C TA
- Control Features :
- Frequency Control
- Topology :
- Boost, Buck, Buck-Boost, Flyback, Forward
- Pbfree Code :
- yes
- Height :
- 1.75mm
- Output Voltage :
- 5V
- Input Current :
- 11mA
- Number of Terminations :
- 8
- Voltage - Supply (Vcc/Vdd) :
- 7.6V~30V
- Lifecycle Status :
- ACTIVE (Last Updated: 1 day ago)
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Length :
- 4.9mm
- Output Configuration :
- Positive
- ECCN Code :
- EAR99
- Frequency - Switching :
- Up to 500kHz
- Mounting Type :
- Surface Mount
- Function :
- Step-Up, Step-Down, Step-Up/Step-Down
- JESD-609 Code :
- e4
- Datasheets
- UC3843AD8
DC DC Switching Controllers Texas Instruments UC3843AD8 Overview
The Texas Instruments UC3843AD8 is a highly efficient and robust IC REG CTRLR designed for multiple topology applications within DC DC Switching Controllers. Engineered by Texas Instruments, a leader in semiconductor innovation, the UC3843AD8 offers exceptional performance for power management tasks. Its primary function is to manage and control the operation of switching power supplies, making it an ideal choice for designs requiring reliability and high efficiency. This component's versatile nature allows for its use in a variety of demanding applications, ensuring optimal performance in power supply scenarios.
UC3843AD8 Features
The UC3843AD8 includes several features that make it standout for sophisticated power supply designs. These features include a wide operating range, enhanced frequency stability, and low start-up current of less than 0.5 mA. The IC also supports multiple topologies such as boost, buck, and flyback converters, adding to its flexibility. Furthermore, it offers protective features like under-voltage lockout with hysteresis, current limiting, and an internal soft-start that minimizes stress on the power supply during start-up.
UC3843AD8 Applications
- Power Supplies: Used to regulate and control voltages across various electronic products, ensuring stable and efficient operation.
- LED Drivers: Suitable for driving LED arrays, providing stable current and improving the life and performance of LED lighting systems.
- Battery Chargers: Implements in charging circuits for efficient management of battery charging cycles, enhancing battery life and safety.
- Telecommunications Equipment: Integral in power regulation systems within telecom infrastructures to maintain stable operation and prevent power outages.
- Consumer Electronics: Applied in devices such as laptops, gaming consoles, and other personal electronics to optimize power usage and efficiency.
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