Semtech

SC4437SK-3.3TRT  

Voltage References

SC4437SK-3.3TRT Description

The SC4437SK-3.3TRT is a precision voltage reference IC designed for applications requiring a stable and accurate reference voltage. Manufactured by Semtech Corporation, this device is part of the Power Management (PMIC) category and is known for its reliability and performance. The SC4437SK-3.3TRT features a fixed output voltage of 3.3V with a tolerance of ±1%, ensuring precise voltage regulation. It operates within an input voltage range of 4.2V to 28V, making it suitable for a variety of power supply applications.

This IC is designed for surface mount applications, packaged in a Tape & Reel (TR) format, which facilitates automated assembly processes. The device has a supply current of 220µA, which is relatively low, contributing to energy efficiency. Additionally, it has a temperature coefficient of 120ppm/°C, ensuring minimal drift over temperature variations. The SC4437SK-3.3TRT is RoHS compliant and has a moisture sensitivity level (MSL) of 1, indicating it is suitable for use in various environmental conditions without requiring special handling.

SC4437SK-3.3TRT Features

• Fixed Output Voltage: Provides a stable 3.3V reference voltage with a tight tolerance of ±1%, ensuring high accuracy and reliability.
• Wide Input Voltage Range: Operates efficiently within an input voltage range of 4.2V to 28V, making it versatile for different power supply designs.
• Low Supply Current: Consumes only 220µA, which is advantageous for low-power applications and contributes to energy efficiency.
• Surface Mount Compatibility: Designed for surface mount technology (SMT), facilitating automated assembly and reducing the overall footprint on the PCB.
• Temperature Stability: Features a temperature coefficient of 120ppm/°C, ensuring minimal voltage drift over a wide temperature range.
• RoHS Compliance: Meets environmental standards, making it suitable for use in eco-friendly designs.
• Moisture Sensitivity Level 1: Indicates it is suitable for use in various environmental conditions without requiring special handling, enhancing its robustness and versatility.

SC4437SK-3.3TRT Applications

The SC4437SK-3.3TRT is ideal for a variety of applications where a stable and accurate voltage reference is required. Some specific use cases include:

• Power Supply Circuits: Provides a stable reference voltage for linear and switching regulators, ensuring consistent output voltage.
• Analog-to-Digital Converters (ADCs): Serves as a reference voltage source for ADCs, enhancing the accuracy and precision of digital conversions.
• Battery Management Systems: Ensures accurate voltage monitoring and regulation in battery-powered devices.
• Medical Devices: Suitable for applications requiring high precision and reliability, such as medical monitoring equipment.
• Industrial Control Systems: Provides a stable reference for various sensors and control circuits, ensuring accurate measurements and control.

Conclusion of SC4437SK-3.3TRT

The SC4437SK-3.3TRT is a high-performance voltage reference IC that offers precision, stability, and versatility. Its fixed 3.3V output with ±1% tolerance, wide input voltage range, and low supply current make it an excellent choice for a variety of power management applications. The device's surface mount compatibility, RoHS compliance, and moisture sensitivity level 1 further enhance its appeal for modern electronic designs. While the product is now obsolete, its legacy continues to influence the design of precision voltage reference solutions in the electronics industry.

SC4437SK-3.3TRT Documents

Download datasheets and manufacturer documentation for SC4437SK-3.3TRT

Datasheets :

SC4437      

PCN Packaging :

Label Changes 28/Jun/2019      

PCN Obsolescence/ EOL :

Mult Dev EOL 07/Jun/2019      

HTML Datasheet :

SC4437