The BD2235G-GTR is a low-dropout (LDO) voltage regulator manufactured by Rohm Semiconductor. It's designed to provide a stable and regulated output voltage with minimal voltage difference between the input and output. This regulator is commonly used in battery-powered devices, portable electronics, and other applications where efficiency and space are critical.
Applications
- Battery-Powered Devices
- Portable Electronics
- Microcontroller Power Supplies
- Sensor Power Supplies
- Post-Regulation for Switching Power Supplies
Features
- Low Dropout Voltage: Ensures stable output voltage even with low input voltage.
- Low Quiescent Current: Minimizes power consumption when the regulator is not actively supplying current.
- Overcurrent Protection: Protects the regulator from damage due to excessive load current.
- Thermal Shutdown: Prevents overheating and damage to the regulator.
- Small Package Size: Enables compact and space-saving designs.
Benefits
- Extended Battery Life: Low quiescent current maximizes battery runtime in portable devices.
- Stable Output Voltage: Provides a consistent and reliable power supply for sensitive electronic components.
- Enhanced System Reliability: Overcurrent protection and thermal shutdown prevent damage and ensure robust operation.
- Reduced Board Space: Small package size allows for compact and efficient PCB layouts.
- Improved Efficiency: Low dropout voltage minimizes power dissipation.
Additional Details
The BD2235G-GTR typically offers a fixed or adjustable output voltage option. It features a low output noise, making it suitable for powering sensitive analog circuits. The regulator is designed to be stable with ceramic output capacitors, simplifying circuit design and reducing component count. It's commonly used in smartphones, tablets, wearable devices, and other portable electronic devices. The BD2235G-GTR is available in a small surface-mount package, facilitating efficient PCB assembly. It also offers reverse polarity protection, guarding against damage from incorrect power supply connections. The enable/disable pin can be used to turn the regulator on or off, further reducing power consumption when the regulated voltage is not required. The regulator's fast transient response ensures that the output voltage remains stable even during sudden changes in load current.