The BD2247G-TR is a low-dropout (LDO) linear regulator manufactured by Rohm Semiconductor. It is designed to provide a stable output voltage with a very low input-output voltage difference. This makes it suitable for battery-powered and other applications where maximizing efficiency and minimizing voltage drop are critical. This specific model provides a fixed output voltage.
Applications
- Battery-powered devices
- Portable electronics
- Wireless communication devices
- Microcontroller power supplies
- Sensor power supplies
- Wearable technology
- IoT (Internet of Things) devices
Features
- Low dropout voltage
- Fixed output voltage
- Low quiescent current
- Overcurrent protection
- Thermal shutdown protection
- Small package size (SOT-25)
- High ripple rejection
Benefits
- Extends battery life in portable devices due to its high efficiency and low quiescent current.
- Provides a stable and reliable power supply for sensitive electronic components.
- Protects the regulator and the load from damage due to overcurrent or overheating.
- Saves board space due to its small package size.
- Reduces noise and interference in the power supply.
Additional Details
The BD2247G-TR has a low dropout voltage, typically less than 0.2V at the rated output current. This allows the regulator to maintain a stable output voltage even when the input voltage is close to the output voltage. The low quiescent current minimizes power consumption when the regulator is in standby mode. The overcurrent protection limits the output current to a safe level, preventing damage to the regulator and the load in the event of a short circuit or overload. The thermal shutdown protection shuts down the regulator if the junction temperature exceeds a safe limit. The SOT-25 package is a small surface-mount package that is ideal for space-constrained applications.
