UC3843AN2
- Mfr.Part #
- UC3843AN2
- Manufacturer
- onsemi
- Package / Case
- 8-DIP (0.300, 7.62mm)
- Datasheet
- Download
- Description
- SWITCHING CONTROLLER
- Stock
- 12,835
- In Stock :
- 12,835
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- Manufacturer :
- onsemi
- Product Category :
- DC DC Switching Controllers
- Product Status :
- Active
- Input Voltage-Nom :
- 15 V
- Manufacturer :
- Rochester Electronics LLC
- Reach Compliance Code :
- Unknown
- Clock Sync :
- No
- Series :
- -
- Number of Terminals :
- 8
- Terminal Position :
- Dual
- Switcher Configuration :
- Single
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Temperature Grade :
- COMMERCIAL
- Control Mode :
- CURRENT-MODE
- Technology :
- Bipolar
- Terminal Finish :
- TIN LEAD
- JESD-609 Code :
- e0
- Output Type :
- Transistor Driver
- Package / Case :
- 8-DIP (0.300, 7.62mm)
- Terminal Form :
- THROUGH-HOLE
- Pin Count :
- 8
- Pbfree Code :
- No
- Switching Frequency-Max :
- 500 kHz
- Supplier Device Package :
- 8-PDIP
- JESD-30 Code :
- R-PDIP-T8
- Peak Reflow Temperature (Cel) :
- NOT SPECIFIED
- Control Features :
- Frequency Control
- Voltage - Supply (Vcc/Vdd) :
- 7.6V ~ 30V
- Serial Interfaces :
- -
- Number of Functions :
- 1
- Topology :
- Boost, Buck, Flyback, Forward
- Synchronous Rectifier :
- No
- Frequency - Switching :
- Up to 500kHz
- Mounting Type :
- Through Hole
- Control Technique :
- PULSE WIDTH MODULATION
- Output Current-Max :
- 1 A
- Output Phases :
- 1
- Function :
- Step-Up, Step-Up/Step-Down
- Surface Mount :
- No
- Width :
- 7.62 mm
- Duty Cycle (Max) :
- 96%
- Package :
- Bulk
- Terminal Pitch :
- 2.54 mm
- Seated Height-Max :
- 4.45 mm
- Package Shape :
- RECTANGULAR
- Output Configuration :
- Positive, Isolation Capable
- Operating Temperature :
- 0°C ~ 70°C (TA)
- Number of Outputs :
- 1
- Length :
- 9.78 mm
- Datasheets
- UC3843AN2

DC DC Switching Controllers onsemi UC3843AN2 Overview
The onsemi UC3843AN2 represents a pinnacle of design in DC DC Switching Controllers, meticulously engineered to manage and optimize switching power supplies. This product is an essential component for developers seeking reliable, high-performance power solutions. Its ability to handle a range of input voltages while maintaining stability and efficiency underpins its utility in a broad array of power management applications. The UC3843AN2 integrates advanced features such as pulse-width modulation control and an onboard oscillator, which simplifies design processes and enhances overall system reliability. Employing the DC DC Switching Controllers onsemi UC3843AN2 in your projects means investing in durability and efficiency, ensuring outstanding performance and superior value in bulk applications.
UC3843AN2 Features
This switching controller is equipped with numerous features that make it highly adaptable and efficient for use in various demanding applications. It includes programmable frequency up to 500 kHz, a low startup current of less than 0.5 mA, and a high current totem pole output capable of driving a 500mA load. Moreover, automatic feed-forward compensation and pulse-by-pulse current limiting are integral to its design, ensuring safe operation under all conditions.
UC3843AN2 Applications
- Power Supplies: The UC3843AN2 is widely used in developing both isolated and non-isolated power supplies. Its efficient control helps to stabilize output voltage and current in fluctuating environments.
- DC-DC Converters: Essential in converting high voltage DC input to a lower voltage DC output, this controller ensures efficiency and reliability in energy conversion systems.
- Battery Chargers: It regulates the power supply in battery chargers, ensuring the battery is charged efficiently and safely, enhancing the charger's reliability and the battery's lifespan.
- LED Drivers: In LED lighting solutions, the UC3843AN2 controls the power supplied to LEDs, providing constant current for consistent illumination without fluctuation.
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