UC3843D8TR Integrated Circuits (ICs) |
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Allicdata Part #: | 296-46260-2-ND |
Manufacturer Part#: |
UC3843D8TR |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Texas Instruments |
Short Description: | IC REG CTRLR MULT TOPOLOGY 8SOIC |
More Detail: | Boost, Buck, Buck-Boost, Flyback, Forward Regulato... |
DataSheet: | UC3843D8TR Datasheet/PDF |
Quantity: | 10000 |
Specifications
Series: | -- |
Packaging: | Tape & Reel (TR) |
Part Status: | Active |
Output Type: | Transistor Driver |
Function: | Step-Up, Step-Down, Step-Up/Step-Down |
Output Configuration: | Positive |
Topology: | Boost, Buck, Buck-Boost, Flyback, Forward |
Number of Outputs: | 1 |
Output Phases: | 1 |
Voltage - Supply (Vcc/Vdd): | 7.6 V ~ 30 V |
Frequency - Switching: | Up to 500kHz |
Duty Cycle (Max): | 97% |
Synchronous Rectifier: | No |
Clock Sync: | No |
Serial Interfaces: | -- |
Control Features: | Frequency Control |
Operating Temperature: | 0°C ~ 70°C (TA) |
Package / Case: | 8-SOIC (0.154", 3.90mm Width) |
Supplier Device Package: | 8-SOIC |
Base Part Number: | UC3843 |
Description
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Introduction to the UC3843D8TR
The UC3843D8TR is a high-performance switching-mode power supply (SMPS) controller from Microchip. It is used primarily in DC-DC converter applications such as battery chargers, DC motor controllers, and other power control applications. The device features high-frequency current and voltage regulation, built-in constant-on-time property and programmable oscillator for improved system stability.Features and Benefits
The UC3843D8TR offers a wide variety of features and benefits for use in DC-DC converter applications. It is designed for very low power loss, easy implementation, and improved system stability.• Low-Power-Loss - The UC3843D8TR uses a constant-on-time control scheme that greatly reduces power losses. This allows the device to operate with high efficiency, even at light loads.• Programmable Oscillator - The UC3843D8TR has an adjustable oscillator that can be programmed for changing the peak current limit and frequency. This allows for improved system stability at higher loads.• Low Operating Voltage - The UC3843D8TR has a low 3.3V operating voltage that allows it to be used in many applications with lower power requirements.Application Field and Working Principle
The UC3843D8TR is primarily used in DC-DC converter applications such as battery chargers, DC motor controllers, and other power control applications. The device features constant-on-time control and programmable oscillator for improved system stability.The UC3843D8TR works by switching an output transistor between conduction and cutoff modes. This allows the device to control the output voltage. The device also employs a constant-on-time control scheme to reduce power losses. This allows for very efficient operation, even at light loads. The adjustable oscillator allows for improved system stability at higher loads.Conclusion
The UC3843D8TR is a high-performance switching-mode power supply controller used primarily in DC-DC converter applications. It offers low-power-loss, improved system stability, and a programmable oscillator. It is an ideal device for applications that require high efficiency and accurate regulation of output voltage.The specific data is subject to PDF, and the above content is for reference
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