Semtech

SC419ULTRT  

DC DC Switching Controllers

SC419ULTRT Description

The SC419ULTRT is a highly integrated transistor driver designed for DC-DC switching controllers, belonging to the EcoSpeed® and SmartDrive™ series by Semtech Corporation. This obsolete yet technologically advanced component offers a positive output configuration and is capable of operating at switching frequencies up to 1MHz. It is designed to work within a wide supply voltage range of 3V to 28V, making it versatile for various power supply applications. The SC419ULTRT is RoHS compliant and has a moisture sensitivity level (MSL) of 1, indicating it is suitable for unlimited storage conditions. It features synchronous rectification, which enhances efficiency and reduces power loss. The device is packaged in a surface-mount format, specifically in a Tape & Reel (TR) configuration, ensuring ease of integration into modern electronic assemblies. With a single output phase and one output, the SC419ULTRT is ideal for applications requiring precise control and minimal footprint.

SC419ULTRT Features

• Output Type: Transistor Driver
• Output Configuration: Positive
• Switching Frequency: Up to 1MHz
• Supply Voltage Range: 3V to 28V
• Control Features: Current Limit, Enable, On Time Control, Power Good
• Synchronous Rectifier: Yes
• Topology: Buck
• Mounting Type: Surface Mount
• Package: Tape & Reel (TR)
• Output Phases: 1
• Number of Outputs: 1
• Series: EcoSpeed®, SmartDrive™
• RoHS Status: RoHS Compliant
• Moisture Sensitivity Level (MSL): 1 (Unlimited)
• ECCN: EAR99
• HTSUS: 8542.39.0001

SC419ULTRT Applications

The SC419ULTRT is well-suited for a variety of applications where efficiency, compact design, and reliable performance are critical. Its wide supply voltage range and high switching frequency make it ideal for power supplies in consumer electronics, telecommunications, and industrial equipment. The synchronous rectification feature ensures minimal power loss, making it a preferred choice for applications requiring high efficiency. The device’s compact surface-mount package and single output phase are particularly beneficial for space-constrained designs, such as portable devices and embedded systems. The inclusion of control features like current limit, enable, on-time control, and power good further enhance its versatility and reliability in various power management applications.

Conclusion of SC419ULTRT

The SC419ULTRT by Semtech Corporation stands out as a robust and efficient transistor driver for DC-DC switching controllers. Despite being obsolete, its wide supply voltage range, high switching frequency, and synchronous rectification capabilities offer significant advantages over similar models. The device’s RoHS compliance and moisture sensitivity level of 1 ensure it meets environmental standards and is suitable for long-term storage. Its surface-mount package and single output phase make it ideal for applications requiring a compact footprint and precise control. Whether used in consumer electronics, telecommunications, or industrial equipment, the SC419ULTRT provides reliable performance and enhanced efficiency, making it a valuable component in modern power management solutions.

SC419ULTRT Documents

Download datasheets and manufacturer documentation for SC419ULTRT

Datasheets :

SC419      

PCN Packaging :

Label Changes 28/Jun/2019      

PCN Obsolescence/ EOL :

Mult Dev 20/Nov/2019      

HTML Datasheet :

SC419