UC3843N
- Mfr.Part #
- UC3843N
- Manufacturer
- onsemi
- Package / Case
- 8-DIP (0.300, 7.62mm)
- Datasheet
- Download
- Description
- IC REG CTRLR 8DIP
- Stock
- 2,057
- In Stock :
- 2,057
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- Manufacturer :
- onsemi
- Product Category :
- DC DC Switching Controllers
- Number of Terminations :
- 8
- Output Current-Max :
- 1A
- Operating Temperature :
- 0°C~70°C TA
- Control Technique :
- PULSE WIDTH MODULATION
- Number of Outputs :
- 1
- Height Seated (Max) :
- 5.08mm
- Switcher Configuration :
- Single
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Frequency - Switching :
- Up to 500kHz
- Pbfree Code :
- yes
- Surface Mount :
- No
- Terminal Pitch :
- 2.54mm
- Peak Reflow Temperature (Cel) :
- 260
- Output Configuration :
- Positive
- Input Voltage (Min) :
- 8.2V
- Control Mode :
- CURRENT-MODE
- Voltage - Supply (Vcc/Vdd) :
- 7.6V~30V
- Control Features :
- Frequency Control
- Duty Cycle (Max) :
- 97%
- Input Voltage (Max) :
- 25V
- JESD-30 Code :
- R-PDIP-T8
- Synchronous Rectifier :
- No
- RoHS Status :
- ROHS3 Compliant
- Terminal Position :
- Dual
- JESD-609 Code :
- e4
- Length :
- 9.59mm
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- Output Voltage :
- 5V
- Topology :
- Boost, Flyback
- Terminal Finish :
- NICKEL PALLADIUM GOLD
- Input Voltage-Nom :
- 15V
- Package / Case :
- 8-DIP (0.300, 7.62mm)
- Output Type :
- Transistor Driver
- Packaging :
- Tube
- Function :
- Step-Up, Step-Up/Step-Down
- Width :
- 7.62mm
- Mounting Type :
- Through Hole
- Datasheets
- UC3843N

DC DC Switching Controllers onsemi UC3843N Overview
Optimize your power management solutions with the onsemi UC3843N, a robust and highly efficient DC DC Switching Controller. This component is engineered by onsemi, a leader in semiconductor solutions, ensuring top performance and reliability. The UC3843N is designed to facilitate complex power supply systems and enhance their efficiency and stability. This controller is ideally suited for applications requiring a compact, high-performance solution that can drive cost-efficiency and innovative power management in a variety of demanding environments.
UC3843N Features
The UC3843N boasts several features that make it a superior choice for power regulation applications. It offers a high frequency operation up to 500 kHz, which allows for smaller-sized components in the power supply design, reducing overall footprint and cost. Additionally, the device includes programmable soft-start functionality, enhancing the performance by minimizing startup stress on the power system. Voltage feed-forward compensation is included to ensure maximum control accuracy over a wide range of input voltages, making it extremely versatile in various operating conditions.
UC3843N Applications
- Power Supplies: Utilized in designing stable and efficient switched-mode power supplies, the UC3843N optimizes energy conversion for both isolated and non-isolated units.
- DC-DC Converters: This controller is pivotal in managing DC-DC conversion applications, providing the necessary control to maintain output stability across varying input conditions.
- Battery Chargers: Ideal for use in advanced battery charging systems, the UC3843N ensures safe and efficient charging by accurately controlling voltage and current.
- LED Lighting: In LED lighting systems, the UC3843N helps in maintaining consistent brightness and improving the longevity of the lights by efficiently managing power.
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