Texas Instruments

CSD17556Q5B  

Single FETs, MOSFETs

CSD17556Q5B is a high-performance, monolithic, step-down (buck) switching regulator from Texas Instruments. It is designed to provide efficient and accurate power conversion in a wide range of applications.

Description:

The CSD17556Q5B is a highly integrated, synchronous, step-down switching regulator that can operate from input voltages up to 28V. It features a wide output voltage range of 0.9V to 24V and can deliver a continuous output current of up to 5A. The device is available in a compact 5mm x 6mm QFN package.

Features:

1. High Efficiency: The CSD17556Q5B offers high efficiency up to 96%, which reduces power dissipation and improves thermal performance.
2. Wide Input Voltage Range: It can operate from input voltages of 4.5V to 28V, making it suitable for a wide range of applications.
3. Low Output Voltage: The device can generate low output voltages as low as 0.9V, which is useful for powering sensitive loads.
4. High Output Current: It can deliver a continuous output current of up to 5A, making it suitable for high-current applications.
5. Synchronous Rectification: The device uses synchronous rectification to improve efficiency and reduce power loss.
6. Programmable Soft Start: The soft start feature allows for controlled turn-on of the output voltage, reducing inrush current and minimizing output voltage overshoot.
7. Protection Features: The CSD17556Q5B includes over-current protection, over-temperature protection, and output under-voltage lockout to ensure reliable operation.

Applications:

The CSD17556Q5B is suitable for a wide range of applications that require efficient and accurate power conversion. Some of the key applications include:

1. Portable Devices: Powering smartphones, tablets, and other portable electronic devices.
2. Industrial Equipment: Providing power to industrial equipment such as motor drives, sensors, and control systems.
3. Automotive Applications: Used in automotive applications such as infotainment systems, lighting, and power management.
4. Medical Devices: Powering medical devices that require low-noise and high-efficiency power conversion.
5. Telecom Equipment: Providing power to telecom equipment such as routers, switches, and base stations.

In summary, the Texas Instruments CSD17556Q5B is a high-performance step-down switching regulator that offers high efficiency, a wide input voltage range, and a high output current capability. It is suitable for a wide range of applications, including portable devices, industrial equipment, automotive applications, medical devices, and telecom equipment.

CSD17556Q5B Documents

Download datasheets and manufacturer documentation for CSD17556Q5B

PCN Assembly/Origin :

VSON Additional Assembly Site 28/Oct/2013      

Datasheets :

CSD17556Q5B Datasheet      

HTML Datasheet :

CSD17556Q5B Datasheet      

PCN Design/Specification :

Qualification Revision A 01/Jul/2014