Texas Instruments

LMZ20501SILR  

External/Internal DC DC Converters

The LMZ20501SILR is a highly integrated step-down switching regulator from Texas Instruments. It is designed to provide efficient and stable power conversion in a wide range of applications.

Description:

The LMZ20501SILR 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 can deliver up to 1A of continuous output current and features a compact 20-pin, 3mm x 3mm WQFN package.

Features:

1. High efficiency: The LMZ20501SILR offers high efficiency of up to 93%, reducing power dissipation and improving thermal 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. Low output voltage: The output voltage can be as low as 0.6V, making it suitable for low-voltage applications.
4. Programmable soft-start: The soft-start feature can be programmed to reduce inrush current and minimize output voltage overshoot during startup.
5. High-frequency operation: The regulator operates at a high frequency of up to 2MHz, allowing for smaller external components and a more compact design.
6. Protection features: The LMZ20501SILR includes over-current protection, over-temperature protection, and output short-circuit protection to ensure reliable operation.

Applications:

The LMZ20501SILR is suitable for a wide range of applications, including:

1. Portable devices: The high efficiency and low output voltage make it ideal for powering portable devices such as smartphones, tablets, and wearables.
2. Industrial equipment: The wide input voltage range and high efficiency make it suitable for powering industrial equipment that requires stable and efficient power conversion.
3. Automotive applications: The LMZ20501SILR can be used in automotive applications such as infotainment systems, GPS devices, and other in-vehicle electronics.
4. Medical devices: The low output voltage and programmable soft-start features make it suitable for powering sensitive medical devices that require precise voltage regulation.
5. Consumer electronics: The compact size and high efficiency make it ideal for powering a variety of consumer electronics, such as home appliances, gaming consoles, and televisions.

In summary, the LMZ20501SILR is a versatile and efficient step-down switching regulator from Texas Instruments that offers a wide range of features and applications. Its high efficiency, low output voltage, and compact size make it suitable for a variety of power conversion needs in portable devices, industrial equipment, automotive applications, medical devices, and consumer electronics.

LMZ20501SILR Documents

Download datasheets and manufacturer documentation for LMZ20501SILR

Datasheets :

LMZ20501 Datasheet      

Design Resources :

LMZ1,2yyy Design Summary       LMZ20501 Design with WEBENCH® Power Designer      

Other Related Documents :

LMZ12,4yyy Generic 8D Report      

HTML Datasheet :

LMZ20501 Datasheet       LMZ12,4yyy Generic 8D Report      

PCN Design/Specification :

LMZYYY 07/Aug/2018