The XC6219B352MR is a low dropout (LDO) regulator IC produced by Torex Semiconductor Ltd. It is designed to provide a stable and precise 3.5V output voltage from an input voltage ranging from 1.8V to 6.0V. This regulator is particularly suited for battery-powered applications and other systems requiring efficient and reliable voltage regulation.

Applications:

• Mobile Phones and Smartphones: Powering various internal components.
• Wireless Communication Devices: Providing stable power for RF modules and transceivers.
• Portable Audio Players: Ensuring consistent audio quality and battery life.
• Digital Cameras and Camcorders: Regulating power for image sensors and processing units.
• Wearable Devices: Powering sensors and microcontrollers in smartwatches and fitness trackers.
• IoT (Internet of Things) Devices: Providing stable power for low-power sensors and communication modules.
• Battery-Powered Microcontrollers: Regulating voltage for efficient microcontroller operation.
• Bluetooth Modules: Ensuring reliable communication performance.
• GPS Devices: Providing stable power for GPS receivers.
• RF Modules: Regulating voltage for RF transmitters and receivers.

Features:

• Input Voltage Range: 1.8V to 6.0V
• Output Voltage: 3.5V (Fixed)
• Output Voltage Accuracy: ±2%
• Low Dropout Voltage: Typically 150mV at 300mA
• Low Quiescent Current: Typically 2.0μA
• Overcurrent Protection (OCP)
• Short Circuit Protection (SCP)
• Thermal Shutdown Protection (TSD)
• Small Package: SOT-25 (marking:CD7)
• Operating Temperature Range: -40°C to +85°C

Benefits:

• Stable and Precise Output Voltage: Ensures consistent performance of connected devices.
• Extended Battery Life: Low quiescent current minimizes power consumption, especially in standby mode.
• Protection Against Overloads and Short Circuits: OCP and SCP features prevent damage to the regulator and connected circuitry.
• Compact Design: SOT-25 package enables integration into space-constrained applications.
• High Accuracy: ±2% output voltage accuracy ensures reliable performance even under varying load conditions.
• Wide Input Voltage Range: Accommodates a variety of power sources, including batteries and unregulated power supplies.

Additional Details:

The XC6219B352MR utilizes a CMOS process to achieve low power consumption and high accuracy. Its integrated protection features enhance the overall reliability of the system. The fixed output voltage of 3.5V simplifies design and reduces the need for external components. It is available in a SOT-25 package. It is an excellent choice for battery-powered and portable devices where efficient power management and stable voltage regulation are crucial.