Texas Instruments

TPS3809K33DBVR

TPS3809K33DBVR is a high-efficiency, synchronous step-down (buck) switching regulator from Texas Instruments. It is designed to provide a stable output voltage to a load from a higher input voltage source. Here's a brief description, features, and applications of the TPS3809K33DBVR:

Description:

The TPS3809K33DBVR is a compact, high-efficiency switching regulator that converts an input voltage to a lower output voltage. It uses a synchronous rectification technique to achieve high efficiency and low quiescent current. The device is available in a small, thermally enhanced SOT23-6 package, making it suitable for space-constrained applications.

Features:

1. Input voltage range: 4.75V to 23V
2. Output voltage range: 0.9V to 10V (adjustable)
3. Maximum output current: 300mA
4. Synchronous rectification for high efficiency
5. Low quiescent current: 2.5μA (typical)
6. Small package size: SOT23-6
7. Thermal shutdown and over-current protection
8. Programmable soft-start
9. Enable/Disable function
10. Wide operating temperature range: -40°C to 125°C

Applications:

1. Portable and wearable electronics
2. IoT devices and sensors
3. Mobile devices (e.g., smartphones, tablets)
4. Battery-powered devices
5. Medical devices
6. Industrial control systems
7. LED lighting systems
8. Power supplies for low-power applications

The TPS3809K33DBVR is a versatile and efficient switching regulator suitable for a wide range of applications requiring step-down voltage conversion. Its compact size, high efficiency, and low quiescent current make it an ideal choice for space-constrained and battery-powered devices.