Semtech

SC2442HITSTR

SC2442HITSTR Description

The SC2442HITSTR is a highly integrated Buck converter controller designed for high-efficiency power management applications. Manufactured by Semtech Corporation, this device is part of the Power Management Integrated Circuit (PMIC) category and is housed in a 24-TSSOP package. It features a wide input voltage range of 4.75V to 30V, making it suitable for various power supply applications. The SC2442HITSTR operates at a switching frequency of 1.1MHz, which allows for the use of smaller inductors and capacitors, thereby reducing the overall size of the power supply solution.

SC2442HITSTR Features

• Output Type: Transistor Driver
• Output Configuration: Positive
• Frequency - Switching: 1.1MHz
• Voltage - Supply (Vcc/Vdd): 4.75V to 30V
• Synchronous Rectifier: Yes
• Control Features: Enable, Frequency Control, Soft Start
• Duty Cycle (Max): 94%
• Output Phases: 2
• Clock Sync: Yes
• Number of Outputs: 2
• Moisture Sensitivity Level (MSL): 1 (Unlimited)
• ECCN: EAR99
• HTSUS: 8542.39.0001
• Package: Tape & Reel (TR)
• Mounting Type: Surface Mount
• Topology: Buck

The SC2442HITSTR offers several unique features that provide significant advantages over similar models. Its synchronous rectification capability ensures high efficiency across a wide range of load conditions. The device also includes an enable function and soft start feature, which allows for controlled startup and shutdown, reducing inrush currents and improving system reliability. The frequency control feature enables designers to optimize the switching frequency to meet specific application requirements, balancing efficiency and electromagnetic interference (EMI).

SC2442HITSTR Applications

The SC2442HITSTR is ideal for a variety of applications where high efficiency and compact size are critical. It is particularly well-suited for:

• Telecommunications: Powering base stations and other telecom equipment where space is limited and efficiency is paramount.
• Industrial Systems: Providing power to PLCs, motor drives, and other industrial control systems.
• Consumer Electronics: Used in high-end gaming consoles, high-performance computing systems, and other consumer devices that require efficient power management.
• Automotive: Suitable for in-vehicle infotainment systems and other automotive electronics that demand high reliability and efficiency.

Conclusion of SC2442HITSTR

The SC2442HITSTR from Semtech Corporation is a versatile and efficient Buck converter controller that offers a comprehensive set of features for high-performance power management applications. Its wide input voltage range, high switching frequency, and synchronous rectification make it an excellent choice for designers looking to optimize power efficiency and reduce system size. Despite being marked as obsolete, the SC2442HITSTR remains a reliable and effective solution for applications requiring robust power management.