ADP1828LC-EVALZ Analog Devices Inc, ADP1828LC-EVALZ Datasheet
ADP1828LC-EVALZ
Specifications of ADP1828LC-EVALZ
Related parts for ADP1828LC-EVALZ
ADP1828LC-EVALZ Summary of contents
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... DIGITAL PICTURE OF THE BOARD DISK DRIVE POWER CONNECTOR Figure 1. ADP1828 5 A Evaluation Board One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 Fax: 781.461.3113 5 A Evaluation Board for EVAL-ADP1828LC of 5 VIN TERMINAL GND TERMINAL ACTIVE AREA GND TERMINAL DUAL FET Si7958DP VOUT TERMIINAL www ...
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... EVAL-ADP1828LC TABLE OF CONTENTS Evaluation Board Description......................................................... 1 ADP1828 Device Description......................................................... 1 Digital Picture of the Board ............................................................ 1 Revision History ............................................................................... 2 Component Design .......................................................................... 3 Input Capacitor............................................................................. 3 Inductor Selection ........................................................................ 3 Output Capacitor Selection......................................................... 3 MOSFET Selection....................................................................... 3 Soft Start ........................................................................................ 3 Current Limit ................................................................................ 3 REVISION HISTORY 8/07—Revision 0: Initial Version Switching Noise and Overshoot Reduction...............................4 Compensation Design ...
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... D is the duty cycle the inductance of the inductor. In this design, R VGS of 4.5 V. Because L is chosen to be 1.8 μH, Δ 1 standard value of 2.87 kΩ is chosen. Keep in mind that R Rev Page EVAL-ADP1828LC . Switching speed is not critical because DSON , and is adequate for handling JA = 015 × ...
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... EVAL-ADP1828LC of the MOSFET can vary by more than 25% from part to part, and by more than 50% over the temperature range; therefore, the actual current limit can vary by more than 50% from part to part over the temperature range. For more information on this topic, see the ADP1828 data sheet. ...
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... CH3 1.00V Figure 5. Soft Start INPUT RIPPLES A CH1 3.60V f = 600 kHz 1.8V OUT T = 25° CH1 3.000V Rev Page EVAL-ADP1828LC T V (AC-COUPLED) OUT STEP LOAD 4 CH1 100mV M 200µs A CH4 B W CH4 2.00A Ω Figure 6. Load Transient Load = ( (AC-COUPLED) OUT ...
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... EVAL-ADP1828LC 1.806 1.804 1.802 1.800 1.798 1.796 1.794 1.792 1.790 1.788 LOAD (A) Figure 9. Load Regulation Rev Page 1.797 1.796 2A LOAD 1.795 1.794 1.793 1.792 1.791 1.790 5A LOAD 1.789 1.788 1.787 (V) IN Figure 10. Line Regulation 11 13 ...
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... out of phase. = 600 kHz greater than 5 MOSFETs (Vishay Si7958DP Rev Page EVAL-ADP1828LC Function CLKSET = high sets CLKOUT to 2 × f OSC CLKSET = low sets CLKOUT to 1 × f OSC VREG 600 kHz SW GND 300 kHz enables ADP1828 EN = off disables ADP1828 Short VREG to V when V ...
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... EVAL-ADP1828LC Table 4. Miscellaneous Information Parameter Switching Frequency Dual Power MOSFETs: Q1A and Q1B Inductor VREG and V IN Snubber Circuit Gate Resistors Capacitor C17 Voltage Divider Comment The switching frequency set to 600 kHz (Jumper JP2) on the evaluation board different needed, the compensation and the power components need to be recalculated ...
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... EVALUATION BOARD SCHEMATIC /16V/X5R/1210 22uF /6.3V/X5R/1206 6V/X5R/1210 22uF/1 /6.3V/X5R/1210 /16V/X5R/1210 22uF fitted 7 OPEN Figure 11. ADP1828 5 A Evaluation Board Schematic Rev Page EVAL-ADP1828LC 06906-011 47uf 100uF not ...
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... EVAL-ADP1828LC EVALUATION BOARD LAYOUT Figure 12. Silkscreen Layer Figure 13. Top Layer Figure 14. Second Layer Figure 15. Third Layer (GND Layer) Figure 16. Bottom Layer Rev Page ...
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... Vishay Vishay Vishay Taiyo Yuden Murata Toko (Würth Elektronik mA, SOD-323 Vishay F Vishay Molex Inc. Any Any Any Analog Devices Rev Page EVAL-ADP1828LC Part No. GRM32ER61C226KE20 GRM32ER60J107ME20 GRM31CR60J476ME20 VJ0603Y154KXJA VJ0603Y104MXQ TMK107BJ224MA-T GRM188R61A224KA61 CRCW06030R00F CRCW06032002F CRCW06031002F CRCW06034220F CRCW06037501F CRCW06031003F CRCW06032801F CRCW08053R01F VJ0603Y122KXXA VJ0603Y102KXXA ...
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... EVAL-ADP1828LC ORDERING GUIDE Model Description 1 ADP1828LC-EVALZ Evaluation Board RoHS Compliant Part. ©2007 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. ESD CAUTION EB06906-0-8/07(0) Rev Page ...