Texas Instruments

LM5164DDAR

The LM5164DDAR is a high-efficiency synchronous step-down (buck) regulator from Texas Instruments. It is designed to provide a stable and efficient power supply for a wide range of applications.

Description:

The LM5164DDAR is a compact, high-efficiency synchronous step-down regulator that operates from an input voltage range of 4.5V to 22V. It can deliver an output voltage as low as 0.9V and is capable of supplying a continuous output current of up to 3A. The device features a high-frequency synchronous buck topology, which allows for high efficiency and fast transient response.

Features:

1. Wide input voltage range: 4.5V to 22V
2. Output voltage as low as 0.9V
3. Continuous output current up to 3A
4. High efficiency: up to 96% efficiency
5. High-frequency synchronous buck topology
6. Fast transient response
7. Small form factor: available in a 10-pin MSOP package
8. Low quiescent current: 35µA in normal operation mode
9. Over-current protection, over-temperature protection, and thermal shutdown

Applications:

The LM5164DDAR is suitable for a wide range of applications that require efficient and stable power supply, including:

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

In summary, the LM5164DDAR is a high-efficiency synchronous step-down regulator that offers a wide input voltage range, low output voltage, and high output current capabilities. Its compact form factor, high efficiency, and fast transient response make it suitable for a variety of applications, from portable devices to industrial and automotive systems.