Texas Instruments

TPS3307-33DR

The TPS3307-33DR is a high-efficiency, step-down (buck) switching regulator from Texas Instruments. It is designed to provide a stable and regulated output voltage from a wide range of input voltages. The device is available in a compact, thermally enhanced, dual-side paddle package, making it suitable for a variety of applications.

Description:

The TPS3307-33DR is a highly integrated, high-efficiency, synchronous step-down (buck) regulator with an input voltage range of 4.75V to 23V. It can deliver an output voltage as low as 0.9V and is capable of providing an output current of up to 3.3A. The device features a high-frequency synchronous rectification, which allows for high efficiency over a wide load range.

Features:

1. Wide input voltage range: 4.75V to 23V
2. Output voltage as low as 0.9V
3. Output current up to 3.3A
4. High-frequency synchronous rectification for high efficiency
5. Thermally enhanced, dual-side paddle package
6. High efficiency over a wide load range
7. Low quiescent current: 3.5µA (typical)
8. Adjustable soft-start to minimize output inrush current
9. Protection features: over-current protection, over-temperature protection, and output short-circuit protection

Applications:

The TPS3307-33DR is suitable for a wide range of applications that require efficient and stable voltage regulation. Some of the key applications include:

1. Portable devices: smartphones, tablets, and wearable devices
2. Power banks and battery chargers
3. Industrial and automotive systems
4. LED lighting and drivers
5. IoT devices and smart home applications
6. Medical equipment
7. Telecommunication equipment

The TPS3307-33DR's high efficiency, wide input voltage range, and compact package make it an ideal choice for designers looking to implement a reliable and efficient power supply solution in their applications.