Texas Instruments

LM5156HPWPR  

DC DC Switching Controllers

The LM5156HPWPR is a high-efficiency, step-down switching regulator from Texas Instruments. It is designed to provide a stable and efficient power supply for a wide range of applications. Here is a brief description of the model, its features, and applications:

Description:

The LM5156HPWPR is a high-performance, synchronous, step-down (buck) switching regulator that can operate from an input voltage range of 4.5V to 28V. It is available in a compact 24-pin HTSSOP package. The device is designed to deliver up to 3A of continuous output current with high efficiency, making it suitable for various power management applications.

Features:

1. Wide input voltage range: 4.5V to 28V
2. Output current up to 3A
3. High efficiency: up to 93% depending on the input voltage and output current
4. Synchronous rectification for improved efficiency
5. Programmable soft-start to reduce inrush current
6. Precise output voltage regulation with an adjustable output voltage range from 0.9V to 15V
7. Internal compensation for easy design and implementation
8. Protection features: over-current protection (OCP), over-temperature protection (OTP), and open-loop protection
9. Low quiescent current: 65µA in normal operation (typical)
10. Available in a compact 24-pin HTSSOP package

Applications:

1. Portable devices: smartphones, tablets, and laptops
2. Power banks and battery chargers
3. LED lighting applications, including automotive and industrial lighting
4. Industrial control systems and motor drives
5. Medical devices and equipment
6. Telecommunication equipment, such as routers and modems
7. General-purpose power supply applications

The LM5156HPWPR's combination of high efficiency, wide input voltage range, and adjustable output voltage makes it a versatile choice for a variety of power management applications. Its compact packaging and built-in protection features also contribute to its suitability for space-constrained and reliability-critical designs.

LM5156HPWPR Documents

Download datasheets and manufacturer documentation for LM5156HPWPR

Datasheets :

LM5156H, LM51561H      

PCN Design/Specification :

Symbolization Update 14/Feb/2023       Design 22/Feb/2022