IC REG CTRLR PWM CM 8DIP
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Key specifications
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1
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Integrated Circuits (ICs)Description
IC REG CTRLR PWM CM 8DIP
key Attributes
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Product overview
The UC3844N is a high-performance, fixed-frequency current-mode pulse-width modulation (PWM) controller designed for use in various power supply applications. Manufactured by Texas Instruments, this integrated circuit is particularly well-suited for off-line and DC-DC converter applications, including switch-mode power supplies (SMPS).
Operating Voltage Range: The UC3844N operates over a wide input voltage range, typically from 8V to 40V, making it versatile for different power supply designs.
Current Mode Control: This controller employs current mode control, which enhances the system's response to load changes and provides inherent overcurrent protection. This feature allows for improved stability and transient response.
Fixed Frequency Operation: The UC3844N operates at a fixed frequency, typically around 100 kHz, which simplifies the design of the output filter and minimizes electromagnetic interference (EMI).
Integrated Functions: The IC includes several integrated functions such as a high-speed comparator, a reference voltage source, and a totem pole output stage. These features reduce the need for external components, simplifying the overall design.
Soft Start Capability: The UC3844N includes a soft start feature that gradually ramps up the output voltage, reducing inrush current and preventing overshoot during startup.
Thermal Shutdown: To protect the circuit from overheating, the UC3844N incorporates thermal shutdown capabilities, ensuring reliable operation under varying thermal conditions.
Package Type: The UC3844N is typically available in a 14-pin DIP (Dual In-line Package) or surface-mount packages, making it easy to integrate into various circuit designs.
The UC3844N is widely used in applications such as:
The UC3844N from Texas Instruments is a robust and efficient PWM controller that offers a range of features suitable for various power supply applications. Its current mode control, integrated functions, and protective features make it a popular choice among engineers designing reliable and efficient power systems.
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Product Attribute
Part Status
Active
Product Attribute
Mounting Type
Through Hole
Product Attribute
REACH Status
REACH Unaffected
Product Attribute
ECCN
EAR99
Product Attribute
Lifecycle Status
ACTIVE (Last Updated: 1 day ago)
Product Attribute
Lead Free
Lead Free
Common questions
Quick answers for buyers reviewing UC3844N, stock, documentation, and sourcing steps.
UC3844N 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.
UC3844N is listed with package reference DIP. The current product description is IC REG CTRLR PWM CM 8DIP, and buyers should confirm package, footprint, and electrical details against the datasheet or quotation notes before approval.
This page currently shows 99474 units in stock and 47085 units available for UC3844N. 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 UC3844N by Texas Instruments. The TrustCompo team can review price, availability, and documentation support.
A dedicated datasheet link is not currently listed for UC3844N 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 UC3844N before approving the order.
PMIC - Voltage Regulators - DC DC Switching Controllers
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