Texas Instruments

LMZ34002RKGR  

External/Internal DC DC Converters

The LMZ34002RKGR is a highly integrated step-down switching regulator from Texas Instruments. It is designed to provide efficient and stable power conversion for a wide range of applications. Here is a brief description of the model, its features, and applications:

Description:

The LMZ34002RKGR is a synchronous step-down regulator with an input voltage range of 4.5V to 22V and an output voltage range of 0.6V to 5.5V. It is available in a 24-pin, 4mm x 5mm QFN package.

Features:

1. High Efficiency: The LMZ34002RKGR offers high efficiency up to 98%, which helps reduce power dissipation and improve overall system performance.
2. Wide Input Voltage Range: The regulator can accept input voltages from 4.5V to 22V, making it suitable for a variety of power supply sources.
3. Tight Output Voltage Regulation: The output voltage is tightly regulated, ensuring stable and accurate output voltage even under varying input voltage and load conditions.
4. Low Quiescent Current: The quiescent current of the LMZ34002RKGR is as low as 70µA in normal operation mode, which helps extend the battery life in portable applications.
5. Programmable Soft Start: The soft-start feature can be programmed to minimize inrush current and reduce output voltage overshoot during power-up.
6. Integrated Power MOSFETs: The device features integrated power MOSFETs, eliminating the need for external components and simplifying the design.
7. Protection Features: The LMZ34002RKGR includes over-current protection, over-temperature protection, and thermal shutdown to ensure reliable operation and protect the system from potential damage.
8. Small Form Factor: The compact 4mm x 5mm QFN package allows for easy integration into space-constrained applications.

Applications:

1. Portable Electronics: Due to its low quiescent current and high efficiency, the LMZ34002RKGR is well-suited for powering portable devices such as smartphones, tablets, and wearable electronics.
2. Industrial Equipment: The regulator can be used in industrial applications where stable and efficient power conversion is required, such as in motor drives, sensors, and control systems.
3. Automotive Applications: The LMZ34002RKGR can be used in various automotive systems, including infotainment systems, instrument clusters, and advanced driver-assistance systems (ADAS).
4. Networking and Communication Equipment: The device can be used to provide stable power to networking equipment, such as routers, switches, and base stations.
5. Medical Devices: The LMZ34002RKGR can be used in medical devices that require efficient and reliable power conversion, such as portable monitoring equipment and wearable medical devices.

In summary, the LMZ34002RKGR is a versatile and efficient step-down switching regulator from Texas Instruments, suitable for a wide range of applications, including portable electronics, industrial equipment, automotive systems, networking, and medical devices. Its high efficiency, tight output voltage regulation, and integrated features make it an attractive choice for designers looking to optimize power conversion in their systems.

LMZ34002RKGR Documents

Download datasheets and manufacturer documentation for LMZ34002RKGR

PCN Assembly/Origin :

Assembly/Test Site Addition 18/Mar/2015      

Datasheets :

LMZ34002 Datasheet      

Reference Design Library :

LMZ34002EVM-001: -3 ~ -17V @ 2A, 4.5 ~ 40V in      

Design Resources :

LMZ1,2yyy Design Summary       LMZ34002 Design with WEBENCH® Power Designer      

Other Related Documents :

LMZ12,4yyy Generic 8D Report      

HTML Datasheet :

LMZ34002 Datasheet       LMZ12,4yyy Generic 8D Report      

PCN Design/Specification :

LMZ34002/TPS84259RKGT Datasheet Update 22/Jan/2014       Datasheet Reflow 13/Apr/2018