TPS73047DBVT Description
The TPS73047DBVT is a fixed-output linear regulator designed for high-performance power management applications. Manufactured by Texas Instruments, this device is part of the Power Management Integrated Circuit (PMIC) category and is housed in a compact SOT23-5 package, making it ideal for space-constrained designs. The TPS73047DBVT provides a stable 4.7V output voltage with a maximum input voltage of 5.5V and can deliver up to 200mA of output current. Despite its small form factor, it offers robust protection features, including over-current protection, over-temperature protection, reverse polarity protection, and under-voltage lockout (UVLO).
TPS73047DBVT Features
- Output Type: Fixed 4.7V output voltage, ensuring consistent power delivery.
- Input Voltage Range: Maximum input voltage of 5.5V, providing flexibility in power source selection.
- Output Current Capability: Capable of delivering up to 200mA of output current, suitable for a wide range of low-power applications.
- Low Dropout Voltage: A maximum dropout voltage of 0.21V at 200mA ensures high efficiency even at low input-to-output voltage differentials.
- Low Quiescent Current: With a quiescent current of only 250 µA, the TPS73047DBVT minimizes power consumption in standby mode.
- High Power Supply Rejection Ratio (PSRR): A PSRR of 68dB at 100Hz helps in reducing noise and ripple on the output voltage.
- Control Features: An enable pin allows for easy control of the regulator's operation, enabling power-saving modes.
- Protection Features: Comprehensive protection features, including over-current, over-temperature, reverse polarity, and under-voltage lockout, enhance reliability and protect against various fault conditions.
- Compliance: The TPS73047DBVT is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and regulatory standards.
- Moisture Sensitivity Level: MSL 1 (Unlimited), making it suitable for a wide range of manufacturing processes without moisture-related concerns.
TPS73047DBVT Applications
The TPS73047DBVT is well-suited for a variety of applications where a stable and efficient power supply is required. Its compact size and high performance make it ideal for:
- Consumer Electronics: Portable devices, such as smartphones, tablets, and wearables, where space and power efficiency are critical.
- Industrial Equipment: Low-power sensors, IoT devices, and other industrial applications that require reliable power management.
- Medical Devices: Portable medical devices, such as glucose meters and portable monitors, where precision and reliability are paramount.
- Automotive: Ancillary systems in vehicles, such as infotainment systems and electronic control units, where a stable power supply is essential.
Conclusion of TPS73047DBVT
The TPS73047DBVT from Texas Instruments is a versatile and efficient linear regulator designed for applications requiring a stable 4.7V output. Its low dropout voltage, low quiescent current, and high PSRR ensure high efficiency and minimal power loss. The comprehensive protection features and compact SOT23-5 package make it an excellent choice for space-constrained designs. While the product is now obsolete, its legacy in providing reliable power management solutions remains significant. For new designs, engineers may consider exploring alternative models from Texas Instruments that offer similar or enhanced performance characteristics.