The SGM2019-3.3YC5G/TR is a low-power, low-dropout (LDO) voltage regulator manufactured by SG Micro Corp. It is designed to provide a stable and accurate 3.3V output voltage from an input voltage as low as 2.5V. This LDO regulator is optimized for portable and battery-powered applications where efficiency and space are critical.

Applications

• Mobile Phones: Powering core circuitry and peripherals.
• PDAs and Handheld Devices: Regulating voltage for processors and memory.
• MP3 Players: Providing stable voltage for audio processing and display.
• Wireless Communication Devices: Supplying power to RF transceivers and baseband processors.
• Bluetooth Devices: Ensuring stable voltage for Bluetooth chips.
• Portable Instruments: Voltage regulation in testing and measurement equipment.

Features

• Low Dropout Voltage: Typically 180mV at 300mA.
• 300mA Output Current: Suitable for a wide range of low-power applications.
• Fixed Output Voltage: 3.3V.
• Low Quiescent Current: Typically 55μA.
• Input Voltage Range: 2.5V to 5.5V.
• Stable with Ceramic Capacitors: Optimized for use with low-ESR ceramic output capacitors.
• Over-Current Protection: Prevents damage from excessive load current.
• Over-Temperature Protection: Shuts down the regulator in case of overheating.
• SOT-23-5 Package: Compact surface-mount package for space-constrained applications.

Benefits

• Extended Battery Life: Low quiescent current maximizes efficiency in battery-powered devices.
• Stable Output Voltage: Provides consistent performance for sensitive electronic components.
• Simplified Design: Requires only a few external components.
• Compact Footprint: SOT-23-5 package saves board space.
• Reliable Operation: Over-current and over-temperature protection ensure robust performance.

Additional Details

The SGM2019-3.3YC5G/TR utilizes a CMOS process to achieve low power consumption and high accuracy. The internal protection features ensure safe operation under various fault conditions. It is designed to work with ceramic capacitors, which offer better performance and reliability compared to tantalum or electrolytic capacitors. The SOT-23-5 package is industry standard and is easy to handle during PCB assembly. The regulator is available in tape and reel packaging for automated assembly processes. The operating temperature range is typically -40°C to +85°C, making it suitable for a wide range of environmental conditions. This device is RoHS compliant, ensuring it meets environmental standards.