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Regulations
320R202E
No.
The product specifications described in this book are subject to change without
notice for the product which is currently under development. At the final stage of
your design, purchasing, or use of the product, therefore, ask for the most up-to-
date Product Standards in advance to make sure that the latest specifications satisfy
your requirements.
2013-05-07
Revised
User's Guide
for Evaluation Board
Part No.
Part No.
Automotive & Industrial Systems Company
Panasonic Corporation
NN30320A-EVB
Automotive & Industrial Systems Company, Panasonic Corporation
Total Pages
Page
14
1
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Table of Contents
Related Manuals for Panasonic NN30320A
Summary of Contents for Panasonic NN30320A
- Page 1 Product Standards in advance to make sure that the latest specifications satisfy your requirements. User’s Guide for Evaluation Board NN30320A-EVB Part No. Part No. Automotive & Industrial Systems Company Panasonic Corporation 2013-05-07 Revised Automotive & Industrial Systems Company, Panasonic Corporation...
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Page 2: Table Of Contents
.........…………….…………………..3 Schematic ..………………………………………………………... 4 Test Setup 4.1 Main Test Points and Jumpers ………………………………………………………... ………………............... 4.2 Output Voltage Setpoint 5 Bill of Materials ..………………………………………………………... 6 Board Layout ..………………………………………………………... ………………………………………….……………………………..Usage Notes 2013-05-07 Revised Automotive & Industrial Systems Company, Panasonic Corporation... -
Page 3: Introduction
NN30320A : 3A Synchronous DC-DC Step Down Regulator with Integrated Power MOSFET as well as support documentation for the NN30320A Evaluation Board (NN30320A-EVB). Also included are the schematic, the test set- up, the bill of materials and the Board Layout for the Evaluation Board. -
Page 4: Block Diagram
VREG VREG PVIN VOUT VOUT Soft Start Control VREF Driver Logic MODE PGND FSEL AGND Figure 1. Block Diagram Note: The parameters above is subject to change for improvement without notice. 2013-05-07 Revised Automotive & Industrial Systems Company, Panasonic Corporation... -
Page 5: Evaluation Board
Jumper for Jumper for Jumper for further details about jumpers MODE FSEL setup. Figure 2. Appearance of Evaluation Board Note: The parameters above is subject to change for improvement without notice. 2013-05-07 Revised Automotive & Industrial Systems Company, Panasonic Corporation... -
Page 6: Jumpers Setup
Table 5. J-PGOOD (Control the Voltage PGOOD pin pulled up to） J-PGOOD J-PGOOD Jumper Pull up to VREG V-EXT Note: The parameters above is subject to change for improvement without notice. 2013-05-07 Revised Automotive & Industrial Systems Company, Panasonic Corporation... -
Page 7: Schematic
J-MODE L-LX ＊ DCDCOUT (Solder Land) CAP_GND (Solder Land) DCDCOUT CAP_GND ＊: Not Installed Figure 5. Evaluation Board Schematic Note: The parameters above is subject to change for improvement without notice. 2013-05-07 Revised Automotive & Industrial Systems Company, Panasonic Corporation... -
Page 8: Test Setup
430kHz, open to choose 650kHz, to VREG to choose 210kHz J-EN V-EN 3-pin headers for enable of NN30320A. Connect EN to GND to disable, to V-EN to enable. J-PGOOD open 3-pin headers for pull-up of PGOOD. Connect to VREG to allow pull up to VREG pin, to V-EXT to allow pull up to V-EXT pin. -
Page 9: Output Voltage Setpoint
Output Voltage (V) R-FB1(k ohm) R-FB2(k ohm) R-FB3(k ohm) R-FB4(k ohm) 1.00 1.05 1.20 1.80 2.50 3.30 5.00 10.0 Note: The parameters above is subject to change for improvement without notice. 2013-05-07 Revised Automotive & Industrial Systems Company, Panasonic Corporation... -
Page 10: Bill Of Materials
To change the output voltage, it is necessary to change these resistors following Equation (1) in the section 4.2. *3 : These values comply with EIA standards. Note: The parameters above is subject to change for improvement without notice. 2013-05-07 Revised Automotive & Industrial Systems Company, Panasonic Corporation... -
Page 11: Board Layout
Figure 6. Top Layer with silk screen ( Top View ) Figure 7. Bottom Layer with silk screen ( Bottom View ) Note: The parameters above is subject to change for improvement without notice. 2013-05-07 Revised Automotive & Industrial Systems Company, Panasonic Corporation... - Page 12 Total Pages Page Figure 8. Top Layer ( Top View ) Figure 9. Layer 2 ( Top View ) Note: The parameters above is subject to change for improvement without notice. 2013-05-07 Revised Automotive & Industrial Systems Company, Panasonic Corporation...
- Page 13 Total Pages Page Figure 10. Layer 3 ( Top View ) Figure 11. Bottom Layer ( Top View ) Note: The parameters above is subject to change for improvement without notice. 2013-05-07 Revised Automotive & Industrial Systems Company, Panasonic Corporation...
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Page 14: Important Notice
14. Connect the metallic plates (fins) on the back side of the LSI with their respective potentials (AGND, PVIN, LX). The thermal resistance and the electrical characteristics are guaranteed only when the metallic plates (fins) are connected with their respective potentials. 2013-05-07 Revised Automotive & Industrial Systems Company, Panasonic Corporation... - Page 15 (2) The technical information described in this book is intended only to show the main characteristics and application circuit examples of the products. No license is granted in and to any intellectual property right or other right owned by Panasonic Corporation or any other company.