Allicdata Part #: | 296-10175-2-ND |
Manufacturer Part#: |
TL3843DR-8 |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Texas Instruments |
Short Description: | IC REG CTRLR MULT TOPOLOGY 8SOIC |
More Detail: | Boost, Flyback, Forward Regulator Positive Output ... |
DataSheet: | TL3843DR-8 Datasheet/PDF |
Quantity: | 1000 |
Specifications
Series: | -- |
Packaging: | Tape & Reel (TR) |
Part Status: | Active |
Output Type: | Transistor Driver |
Function: | Step-Up, Step-Up/Step-Down |
Output Configuration: | Positive |
Topology: | 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: | TL3843 |
Description
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TL3843DR-8 is a type of DC-DC switching controller which is used for power management in electronic systems. It is able to work in a wide operating temperature range (-40 to 85°C). This DC-DC switching controller has been designed to be used in a wide range of applications from automotive, computing, and industrial applications to aerospace and other medium to high voltage applications.TL3843DR-8 is based on a topology of the type known as buck topology, otherwise known as Peak Current Mode Control. This topology is used for achieving excellent line regulation. The device provides dynamical adaptation for controlling the output voltage. It generates a variable duty cycle in order to accurately control an output voltage that is set externally.TL3843DR-8 comes in an SOIC-8 package. It has an operating voltage of 4V to 38V, a low operating current of 20µA, and a high output frequency of up to 2MHz. It also has an enable input that can be used to enable/disable the device. The device also offers a very tight 4.5% system accuracy with a 0.5% reference voltage error.When it comes to the TL3843DR-8 application field, this device is most commonly used in applications such as DC-DC switching supplies, low power battery chargers, and motor controllers. This device is also well-suited for applications where size and high efficiency are important.In order to understand how TL3843DR-8 works, it is important to understand how the buck topology works. The buck topology is based on a power MOSFET switch configuration. The MOSFET switch is driven by the output from the controller, which is based on an error comparison between the device feedback voltage and a reference voltage. When the device feedback voltage is lower than the reference voltage, the output is high and the switch is open. When the device feedback voltage rises above the reference voltage, the output is low and the switch is closed. This allows for the creation of a variable duty cycle which is used to accurately control the output voltage.TL3843DR-8 also offers many advantages such as improved system efficiency, reduced external component counts, and improved EMI noise reduction. The device also offers protection against overload, over-temperature, and short circuit conditions. Additionally, the device supports low standby current and low quiescent current.Overall, TL3843DR-8 is an excellent DC-DC switching controller for power management applications in a wide range of electronic systems. It offers excellent line regulation and tight system accuracy, as well as protection against overload, over-temperature, and short circuit conditions. Its versatile range of application field ensures that it can be used for a variety of purposes from automotive, computing, and industrial applications to aerospace and other medium to high voltage applications.The specific data is subject to PDF, and the above content is for reference
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