The SGM2019-1.8YN5G/TR is a low-power, low-dropout (LDO) linear regulator manufactured by SG Micro Corp. It is designed to provide a stable and precise 1.8V output voltage from an input voltage as low as 2.5V. This regulator is ideal for a wide range of portable and battery-powered applications where efficiency and space are critical.

Applications

• Mobile Phones: Powering core logic and peripheral devices.
• Portable Media Players: Providing stable voltage for audio and video processing.
• Wireless Communication Devices: Regulating voltage for RF transceivers and microcontrollers.
• Wearable Devices: Ensuring consistent performance in battery-powered wearables.
• IoT Devices: Powering sensors and low-power microcontrollers.

Features

• Low Dropout Voltage: Operates with a minimal difference between input and output voltage, maximizing battery life.
• Low Quiescent Current: Consumes very little current when idle, further extending battery life.
• Stable with Ceramic Capacitors: Ensures stable operation with small, low-ESR ceramic capacitors.
• Over-Current Protection: Protects the regulator and the load from damage due to excessive current.
• Thermal Shutdown Protection: Prevents overheating and potential damage to the regulator.
• Short-Circuit Protection: Safeguards the regulator and the load from short-circuit conditions.
• Fixed Output Voltage: Provides a precise and stable 1.8V output.
• Small Package: Available in a compact package suitable for space-constrained applications (YN5G).

Benefits

• Extended Battery Life: Low dropout voltage and low quiescent current contribute to longer battery runtime.
• Stable and Reliable Power Supply: Provides a consistent and accurate output voltage, ensuring reliable operation of connected devices.
• Protection Against Fault Conditions: Over-current, thermal shutdown, and short-circuit protection enhance system reliability and prevent damage.
• Simplified Design: Stable operation with ceramic capacitors simplifies the design process and reduces component count.
• Compact Footprint: The small package size allows for use in space-constrained applications.

Technical Specifications

The SGM2019-1.8YN5G/TR typically operates with an input voltage range of 2.5V to 5.5V. The output voltage is fixed at 1.8V. The quiescent current is typically a few microamps. The dropout voltage depends on the output current but is generally very low. The device is available in a YN5G package. Refer to the datasheet for complete specifications and performance characteristics.