Texas Instruments

LM5164QDDATQ1  

DC Switching Voltage Regulators

The LM5164QDDATQ1 is a high-efficiency synchronous step-down (buck) regulator from Texas Instruments. It is designed to provide a stable output voltage from a wide range of input voltages. Here is a brief description of the model, its features, and potential applications:

Description:

The LM5164QDDATQ1 is a highly integrated, high-efficiency synchronous step-down regulator that operates from an input voltage range of 4.5V to 22V and provides an output voltage as low as 0.9V. It is available in a compact QFN package, making it suitable for space-constrained applications.

Features:

1. High Efficiency: The LM5164QDDATQ1 offers high efficiency of up to 96%, which is beneficial for power-sensitive applications.
2. Wide Input Voltage Range: It can handle input voltages from 4.5V to 22V, making it versatile for different power source requirements.
3. Low Output Voltage: The device can provide an output voltage as low as 0.9V, suitable for low-voltage applications.
4. Synchronous Rectification: It uses synchronous rectification to improve efficiency, especially at higher output currents.
5. Integrated FETs: The device integrates the high-side and low-side MOSFETs, reducing the number of external components and saving space on the PCB.
6. Spread Spectrum: It features spread spectrum frequency modulation to reduce electromagnetic interference (EMI).
7. Short Circuit Protection: The regulator has built-in protection against short circuits.
8. Thermal Protection: It includes thermal shutdown protection to prevent damage due to overheating.
9. Small Package: The QFN package is compact, making it suitable for portable and space-constrained devices.

Applications:

1. Portable Electronics: Due to its high efficiency and low output voltage capability, it's ideal for powering portable devices like smartphones and tablets.
2. Power Supplies: It can be used in compact power supply units for a variety of electronic devices.
3. Industrial Equipment: The LM5164QDDATQ1 can provide stable power to industrial equipment that requires a regulated low-voltage supply.
4. Medical Devices: In medical devices where reliability and efficiency are critical, this regulator can ensure a stable power supply.
5. Telecommunications: It can be used in base stations and other telecom equipment to provide a regulated power supply.
6. Automotive Applications: The wide input voltage range makes it suitable for automotive applications where input voltage can vary.

The LM5164QDDATQ1 is a versatile and efficient solution for a wide range of step-down voltage regulation needs, particularly where space is at a premium, and high efficiency is required.

LM5164QDDATQ1 Documents

Download datasheets and manufacturer documentation for LM5164QDDATQ1

Datasheets :

LM5164-Q1      

HTML Datasheet :

LM5164-Q1