Manufacturer Part Number
SC643ULTRT
Manufacturer
Semtech
Introduction
The Semtech SC643ULTRT is a high-performance, low-power, multi-output switch-capacitor (charge pump) DC-DC regulator designed for driving LED backlights in portable electronic devices. It provides up to five regulated output voltages from a single supply voltage, making it an ideal solution for managing power in compact, battery-powered applications.
Product Features and Performance
Switched-capacitor topology delivers high efficiency and low noise
Supports input voltages from 2.9V to 5.5V
Provides up to five regulated output voltages from 2.5V to 5.25V
Each output can deliver up to 25mA of current
Wide operating temperature range of -40°C to +85°C
Small 20-pin VFQFN package (3x3mm)
Low quiescent current of 15μA
Product Advantages
Efficient power management for LED backlights
Compact, space-saving design
Flexible output voltage configuration
Robust performance across a wide temperature range
Key Reasons to Choose This Product
Optimized for low-power, portable electronics
Reliable and proven switched-capacitor technology
Comprehensive feature set in a small package
Excellent thermal performance and reliability
Quality and Safety Features
Internal protection mechanisms (over-temperature, over-current, short-circuit)
Compliant with relevant safety and EMC standards
Compatibility
The SC643ULTRT is designed to be compatible with a wide range of LED backlight applications in portable electronics, such as smartphones, tablets, and other handheld devices.
Application Areas
LED backlight driver for portable electronics
Power management for battery-powered devices
Compact, multi-output power conversion
Product Lifecycle
The SC643ULTRT is an obsolete product, meaning it is no longer in active production. However, there may be equivalent or alternative models available from Semtech or other manufacturers. Customers are advised to contact our website's sales team for more information on current product offerings and possible replacement options.
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