IC REG CTRLR MULT TOPOLOGY 8DIP
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Key specifications
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1
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Integrated Circuits (ICs)Description
IC REG CTRLR MULT TOPOLOGY 8DIP
key Attributes
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Product overview
The UC3843AN is a high-performance, fixed-frequency current-mode controller designed for use in switch-mode power supplies (SMPS). Manufactured by Texas Instruments, this integrated circuit is particularly well-suited for applications requiring efficient power conversion, such as inverters, battery chargers, and power management systems.
Current-Mode Control: The UC3843AN employs current-mode control, which enhances the stability and transient response of the power supply. This feature allows for better regulation of output voltage and current, making it ideal for applications where load conditions can change rapidly.
Fixed Frequency Operation: The device operates at a fixed frequency, typically around 100 kHz, which simplifies the design of the power supply and allows for predictable performance.
Integrated Functions: The UC3843AN includes several integrated functions that reduce the need for external components. These include a high-speed comparator, a reference voltage source, and a totem pole output stage, which drives the power MOSFET directly.
Wide Supply Voltage Range: The IC can operate over a wide input voltage range, typically from 8V to 40V, making it versatile for various applications.
Soft Start Feature: The soft start function helps to limit inrush current during startup, preventing damage to components and ensuring a smooth ramp-up of output voltage.
Thermal Shutdown: The UC3843AN includes thermal shutdown protection, which disables the output if the chip overheats, providing an additional layer of safety for the power supply.
Package Type: The device is available in a standard 8-pin DIP (Dual In-line Package) configuration, making it easy to integrate into various circuit designs.
The UC3843AN from Texas Instruments is a robust and versatile current-mode controller that simplifies the design of efficient power supplies. Its combination of integrated features, wide operating range, and protective functions make it a popular choice among engineers for a variety of power management applications.
Full technical breakdown
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Product Parameter
Control Mode
CURRENT-MODE
Product Parameter
Control Technique
PULSE WIDTH MODULATION
Product Parameter
Triac Type
Active
Product Parameter
Attenuation-Nom
e4
Product Parameter
Drain To Source Resistance
EAR99
Product Parameter
Total Resistance
Tube
Common questions
Quick answers for buyers reviewing UC3843AN, stock, documentation, and sourcing steps.
UC3843AN is a PMIC - Voltage Regulators - DC DC Switching Controllers component from Texas Instruments. This product page summarizes the core sourcing details buyers need before checking price, availability, documentation, or samples.
UC3843AN is listed with package reference DIP. The current product description is IC REG CTRLR MULT TOPOLOGY 8DIP, and buyers should confirm package, footprint, and electrical details against the datasheet or quotation notes before approval.
This page currently shows 59567 units in stock and 59567 units available for UC3843AN. Because electronic component availability can change quickly, submit an RFQ to confirm live stock, lead time, and final pricing.
Yes. Use the Quick Quote or Request Sample action on this page to send the quantity and sourcing requirements for UC3843AN by Texas Instruments. The TrustCompo team can review price, availability, and documentation support.
A dedicated datasheet link is not currently listed for UC3843AN by Texas Instruments. Contact us with the part number and required parameters so the team can help confirm documentation during quotation.
Buyers should confirm the manufacturer, package, quantity, target price, RoHS or compliance needs, and any Certificate of Conformance or traceability requirements for UC3843AN before approving the order.
PMIC - Voltage Regulators - DC DC Switching Controllers
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