Texas Instruments

LMZ14203HTZX/NOPB  

External/Internal DC DC Converters

LMZ14203HTZX/NOPB is a highly integrated step-down (buck) converter from Texas Instruments. It is designed to provide efficient and stable power conversion for a wide range of applications.

Description:

The LMZ14203HTZX/NOPB is a synchronous, step-down (buck) converter with an integrated high-side and low-side MOSFETs. It features a wide input voltage range of 4.5V to 22V and can deliver an output voltage as low as 0.7V. The device is available in a 24-pin, 4mm x 5mm HTQFN package.

Features:

1. High Efficiency: The LMZ14203HTZX/NOPB offers high efficiency up to 93%, which helps reduce power dissipation and improve system reliability.
2. Wide Input Voltage Range: The device can operate with an input voltage range of 4.5V to 22V, making it suitable for various power supply sources.
3. Low Output Voltage: The output voltage can be as low as 0.7V, which is useful for powering low-voltage applications.
4. Integrated MOSFETs: The device features integrated high-side and low-side MOSFETs, which reduces the number of external components required and simplifies the design.
5. High-Frequency Operation: The LMZ14203HTZX/NOPB operates at a high frequency of up to 2MHz, allowing for smaller external components and more compact designs.
6. Programmable Soft Start: The device provides a programmable soft-start feature to reduce inrush current and minimize output voltage overshoot during startup.
7. Protection Features: The converter includes various protection features such as over-current protection (OCP), over-temperature protection (OTP), and open-loop protection.

Applications:

1. Telecommunications: The LMZ14203HTZX/NOPB can be used in power supply applications for telecommunications equipment, such as routers, switches, and base stations.
2. Industrial Control Systems: The device is suitable for powering industrial control systems, including motor drives, sensors, and programmable logic controllers (PLCs).
3. Consumer Electronics: The step-down converter can be used in various consumer electronics applications, such as smartphones, tablets, and laptops, to provide efficient power conversion.
4. Automotive: The LMZ14203HTZX/NOPB can be used in automotive applications, such as infotainment systems, GPS navigation, and advanced driver-assistance systems (ADAS).
5. Medical Equipment: The device can be used in medical equipment, such as patient monitoring systems, ultrasound machines, and medical imaging devices, to provide stable and efficient power conversion.

In summary, the LMZ14203HTZX/NOPB is a versatile and efficient step-down converter from Texas Instruments, suitable for a wide range of applications, including telecommunications, industrial control systems, consumer electronics, automotive, and medical equipment. Its high efficiency, wide input voltage range, and integrated MOSFETs make it an attractive choice for designers looking to optimize power conversion in their systems.

LMZ14203HTZX/NOPB Documents

Download datasheets and manufacturer documentation for LMZ14203HTZX/NOPB

PCN Assembly/Origin :

Wafer Fab Qual 5/Jul/2016      

Datasheets :

LMZ14203H Datasheet      

Design Resources :

LMZ1,2yyy Design Summary       LMZ14203H Design with WEBENCH® Power Designer      

Other Related Documents :

LMZ12,4yyy Generic 8D Report      

HTML Datasheet :

LMZ14203H Datasheet       LMZ12,4yyy Generic 8D Report      

PCN Design/Specification :

LMZ1X/LMZ2X/WPMDH1X 22/Jul/2016       Die Coating Material Update 14/Sep/2015