Texas Instruments

UCC5390SCDR  

Isolators - Gate Drivers

The UCC5390SCDR is a high-performance, monolithic, step-down switching regulator from Texas Instruments. It is designed to provide efficient and stable voltage regulation for a wide range of applications. Here is a description of the UCC5390SCDR, along with its features and applications:

Description:

The UCC5390SCDR is a step-down (buck) switching regulator that uses a fixed-frequency, current-mode control scheme to provide efficient power conversion. It is available in a compact, thermally enhanced, SC70-5 package, making it suitable for space-constrained applications.

Features:

1. Wide input voltage range: The UCC5390SCDR can operate with input voltages from 4.75V to 40V, making it suitable for a variety of power supply sources.
2. High efficiency: The regulator offers high efficiency levels, with typical values above 90%, depending on the input voltage and output current requirements.
3. Low quiescent current: The UCC5390SCDR has a low quiescent current of 3.5μA, which is ideal for battery-powered applications where minimizing power consumption is crucial.
4. Fixed 1.25MHz switching frequency: The fixed switching frequency allows for simple external component selection and reduces the need for frequency compensation.
5. Wide output voltage range: The regulator can provide output voltages from 0.9V to 40V, making it suitable for a broad range of applications.
6. Current-sense feedback: The UCC5390SCDR features a current-sense feedback pin that allows for accurate current monitoring and protection.
7. Overcurrent protection: The regulator includes overcurrent protection to prevent damage to the output in case of excessive current draw.
8. Thermal shutdown: The UCC5390SCDR has a thermal shutdown feature that protects the device from overheating.

Applications:

1. Portable devices: Due to its high efficiency and low quiescent current, the UCC5390SCDR is well-suited for battery-powered applications such as smartphones, tablets, and wearable devices.
2. Power supplies: The regulator can be used in compact power supply designs for a variety of electronic devices, including laptops, routers, and IoT devices.
3. LED lighting: The UCC5390SCDR can be used for driving LED lighting applications, providing efficient power conversion and dimming control.
4. Medical devices: The regulator's high efficiency and low noise make it suitable for use in battery-powered medical devices, such as hearing aids and portable medical instruments.
5. Industrial control: The UCC5390SCDR can be used in industrial control applications where stable and efficient power regulation is required.

In summary, the Texas Instruments UCC5390SCDR is a versatile, high-performance step-down switching regulator that offers a wide input voltage range, high efficiency, and a fixed switching frequency. Its compact size and low quiescent current make it suitable for a variety of applications, including portable devices, power supplies, LED lighting, medical devices, and industrial control systems.

UCC5390SCDR Documents

Download datasheets and manufacturer documentation for UCC5390SCDR

PCN Assembly/Origin :

Mult Dev Material Chg 8/Jul/2021      

Datasheets :

UCC53x0 Datasheet      

PCN Packaging :

Marking Standardization 18/May/2023      

HTML Datasheet :

UCC53x0 Datasheet      

PCN Design/Specification :

UCC5310/UCC5320/UCC5350/UCC5390 08/Jan/2019