8 Application and Implementation

Note

Information in the following applications sections is not part of the TI component specification,

and TI does not warrant its accuracy or completeness. TI’s customers are responsible for

determining suitability of components for their purposes, as well as validating and testing their design

implementation to confirm system functionality.

8.1 Application Information

8.2 Typical Application

The TPS54526 is an adaptive on-time D-CAP2™ mode synchronous buck converter. Idea applications are:

Digital TV Power Supply, High Definition Blu-ray Disc™ Player, Networking Home Terminal and Digital Set Top

Box.

U1

TPS54526PWP

Figure 8-1. Schematic Diagram for This Design Example

8.2.1 Design Requirements

For this design example, use the following input parameters.

Table 8-1. Design Parameters

DESIGN PARAMETERS

VALUES

Input voltage range

4.5V – 18 V

Output voltage

1.05 V

Output current rating

0 – 5.5 A

Output voltage ripple

7 mVPP (12 VIN / 5.5 A)

8.2.2 Detailed Design Procedure

8.2.2.1 Step By Step Design Procedure

To begin the design process, the designer must know a the following application parameters:

• Input voltage range

• Output voltage

• Output current

TPS54526

SLVSB84D – MAY 2012 – REVISED APRIL 2021

www.ti.com

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