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LDO, DC-DC Converter Design Tool Selection Guide

LDO, DC-DC Converter Design Tool Selection Guide
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LDO, DC-DC Converter Design Tool Selection Guide - 1

Linear Regulators, Switching Regulator ICs LDO, DC-DC Converter Design Tool Selection Guide Using the Design Tools on the ROHM Website

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LDO, DC-DC Converter Design Tool Selection Guide - 2

Linear Regulators, Switching Regulator ICs LDO, DC-DC Converter Design Tool Selection Guide Using the Design Tools on the ROHM Website On the ROHM website, we provide technical data including application notes, online simulators, various simulation models, and other design tools such as spreadsheets for calculation of constants. This guide explains how to use various Tools for each development step design tools throughout the development steps for LDO and DC-DC converters. Initial Study Circuit Design - Reference Design Package Information • Since the guide requires access to the ROHM...

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LDO, DC-DC Converter Design Tool Selection Guide - 3

Topology Selection Design calculation tool in Excel to assist you in designing the constants of peripheral parts. Shows the devices best suited for the respective topologies. Package Information Information including reference land patterns and mounting conditions is provided. Reference Design Evaluation results on the system level and design data are provided as reference designs. Footprints and symbol data for PCB CAD are provided. Calculation Sheet DATA SHEET Specification documents describing the electrical characteristics of products, precautions, pin layouts, examples of application...

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LDO, DC-DC Converter Design Tool Selection Guide - 4

How to obtain a data sheet Obtain through one of the following methods: Method 1. If the product name is known Step 3: When the product page is displayed, click the [DATA SHEET] button. In addition, you can obtain further technical information by scrolling down the product page. Step 1: Enter the product name into the search window on the upper right of the ROHM website. Step 2: To take a shortcut, click the PDF icon. Usually, click the product name (recommended). Next page DATA SHEET Page 1 / 2 Information Various types of technical information are provided on the bottom of the page,...

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LDO, DC-DC Converter Design Tool Selection Guide - 5

How to obtain a data sheet (continued) Method 2. If the product name is not certain Step 4: When the product page is displayed, click the [DATA SHEET] button. In addition, you can obtain further technical information by scrolling down the product page. Step 1: Select “Power Management” in “Products” on the ROHM website. Click Click DATA SHEET Previous page Step 2: Enter the conditions and click the [SHOW] button. Step 3: The search result is displayed. To take a shortcut, click the PDF icon. Usually, click the product name (recommended). Various types of technical information are provided...

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LDO, DC-DC Converter Design Tool Selection Guide - 6

Step 4: If the “Evaluation Board” section is displayed, the board is available for purchase. Click the [Buy] button. Step 1: Enter the product name into the search window on the upper right of the ROHM website. Step 2: Click the product name. Information If the product is not available from the online distributor, the [Purchase Inquiry] button is displayed instead of the [Buy] button. Contact the distributor to make an inquiry. Step5: The availability from online distributors is displayed. Purchase the product through their website. Step 3: When the product page is displayed, scroll down...

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LDO, DC-DC Converter Design Tool Selection Guide - 7

What is the ROHM Solution Simulator? Using the ROHM Solution Simulator Utilizing the solutions provided by ROHM ✔ Simulation tool you can run on the website Functional design Product selection ✔ Can verify the designs using circuits close to applications Circuit design System-Level Simulation ✔ Can select from an extensive range of solution circuits, including mainly power devices and gate drivers ✔ High reproducibility of simulations achieved by incorporating high precision SPICE models. Coordination with certain evaluation boards ROHM Solution Simulator Prototype board Prototype system...

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LDO, DC-DC Converter Design Tool Selection Guide - 8

What can be done with the ROHM Solution Simulator Step 3: Order samples Select a solution circuit ROHM Solution Simulator Previous page You can set and operate simulations intuitively. After performing simulations, you can check the results easily with the powerful waveform analysis tool. You can purchase samples for trial evaluation and evaluation boards via the links of the distribution partners shown in the circuit diagrams. Select a solution circuit suited for the application from the solution circuit list Perform simulations and monitor results Step 2: Select devices and change values...

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LDO, DC-DC Converter Design Tool Selection Guide - 9

Design calculation tool What is the Calculation Sheet? How to obtain the Calculation Sheet Step 1: Display the product page of the product name you want. TOP Tools ROHM has published the Calculation Sheet that assists you in designing peripheral circuits for DC-DC and AC-DC converter ICs. The Calculation Sheet is a design tool for application circuits based on the method of selecting parts described in product data sheets. Since the tool is equipped with calculation formulas required for determining the peripheral parts and other tasks, you can easily determine the circuit parameters that...

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LDO, DC-DC Converter Design Tool Selection Guide - 10

The cells are color-coded according to their functions. The yellow cells are for selecting or inputting values. The blue cells display the calculation results. The gray cells display the setting values on the data sheet. Calculation Sheet Page 2 / 5 Previous page Next page If the Calculation Sheet supports the series of models, selecting a product automatically sets the relevant entries such as recommended operation conditions.

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LDO, DC-DC Converter Design Tool Selection Guide - 11

Calculation Sheet Page 3 / 5 It is also easy to make changes repeatedly. Next page Previous page The Calculation Sheet provides calculation formulas and instructions on how to determine values. Entering values according to the data sheet and the instructions updates the entire calculation result immediately.

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LDO, DC-DC Converter Design Tool Selection Guide - 12

Using the Calculation Sheet prevents overlooking the design constraints and allows you to select parts that satisfy the operating conditions. Calculation Sheet Page 4 / 5 Next page Previous page If an input value is outside the working range, the tool outputs an error message and urges you to correct the value. Judges the calculation result and reports the results If the calculation result does not comply with the specifications, review and reset the input values.

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