Allicdata Part #: | 296-19371-ND |
Manufacturer Part#: |
UCC2541PWP |
Price: | $ 3.14 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Texas Instruments |
Short Description: | IC REG CTRLR BUCK 20HTSSOP |
More Detail: | Buck Regulator Positive Output Step-Down DC-DC Co... |
DataSheet: | UCC2541PWP Datasheet/PDF |
Quantity: | 1000 |
140 +: | $ 2.85381 |
Series: | -- |
Packaging: | Tube |
Part Status: | Not For New Designs |
Output Type: | Transistor Driver |
Function: | Step-Down |
Output Configuration: | Positive |
Topology: | Buck |
Number of Outputs: | 1 |
Output Phases: | 1 |
Voltage - Supply (Vcc/Vdd): | 8.5 V ~ 35 V |
Frequency - Switching: | 300kHz |
Duty Cycle (Max): | -- |
Synchronous Rectifier: | Yes |
Clock Sync: | Yes |
Serial Interfaces: | -- |
Control Features: | Enable, Ramp, Reset, Soft Start, Tracking |
Operating Temperature: | -40°C ~ 105°C (TA) |
Package / Case: | 20-PowerTSSOP (0.173", 4.40mm Width) |
Supplier Device Package: | 20-HTSSOP |
Base Part Number: | UCC2541 |
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Introduction to UCC2541PWP
UCC2541PWP is an high-performance current-mode PWM controller for applications requiring tight line/load and frequency regulation. It provides high-current gate drive for P-channel FET and N-channel FET switch topologies and features no external components, making it extremely small, easy to use and reliable. The UCC2541PWP offers a wide input voltage range (6 to 74 V), good ripple rejection ratio and programmable switching frequency of up to 500 kHz. It has a rated output current of 3 A, making it suitable for a wide range of DC-DC applications.Applications of UCC2541PWP
Due to its versatile feature set and wide input voltage range, the UCC2541PWP is suitable for a wide range of applications that require tight line/load and frequency regulation. Most of the general use-case applications include but are not limited to: DC-DC converters, DC-AC inverters, switched-mode power supplies, automotive electronics, portable electronic devices, battery management systems and industrial HVAC equipment. In addition to the above mentioned use-cases, the UCC2541PWP can also be used in specialized applications such as solar energy, instrumentation and power back-up systems.Working Principle of UCC2541PWP
The UCC2541PWP is a current-mode PWM controller that regulates the output voltage using its internally set voltage reference. The operation principle of the device is based on comparing the voltage feedback of the external comparator circuit with the internally set reference voltage. When the comparator output sets the PWM latch, the controller enters the on-state and the output is regulated by switching the mosfets in the external circuit. Once the voltage feedback is greater than the reference voltage, the UCC2541PWP automatically enters the off-state and will remain off until the input voltage drops below the reference voltage.Conclusion
The UCC2541PWP is a high-performance current-mode PWM controller. Its wide input voltage range, good ripple rejection ratio, programmable switching frequency, and rated output current of 3 A make it suitable for a wide range of applications. Its operation is based on comparing the voltage feedback with the internal reference voltage and switching the mosfets in the external circuit accordingly. Overall, the UCC2541PWP is a good choice for DC–DC applications where good regulation is required.
The specific data is subject to PDF, and the above content is for reference
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