Analog Devices EVAL-ADP2311 Скачать руководство пользователя страница 7 | Manualshive

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EVAL-ADP2311 User Guide

UG-653

Figure 6.

ADP2311 Evaluation Board

Layer 3, Power Plane

Figure 7.

ADP2311 Evaluation Board

Layer 4, Bottom Side

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Содержание EVAL-ADP2311

Страница 1: ...able with low effective series resistance ESR output ceramic capacitors Precision enable input Power feedback during power off Undervoltage lockout UVLO overcurrent protection OCP overvoltage protection OVP and thermal shutdown TSD GENERAL DESCRIPTION The ADP2311 evaluation board is a complete dual 1 A step down regulator solution that allows users to evaluate the performance of the ADP2311 with a...

Страница 2: ...ion History 2 Using the Evaluation Board 3 Powering Up the Evaluation Board 3 Measuring Evaluation Board Performance 3 Modifying the Evaluation Board 4 Evaluation Board Schematic and Artwork 5 ADP2311 Evaluation Board Schematic 5 PCB Layout 6 Ordering Information 8 Bill of Materials 8 REVISION HISTORY 3 14 Revision 0 Initial Version ...

Страница 3: ...d To measure the input voltage connect the positive terminal of the voltmeter to J1 VIN_S and the negative terminal to J9 GND_S Likewise to measure the output voltage connect the positive terminal of the voltmeter to J3 VOUT1_S or J11 VOUT2_S and the negative terminal to J8 GND1_S or J14 GND2_S Turning On the Evaluation Board When the power source and load are connected to the evaluation board it ...

Страница 4: ...tages VOUT V R1 R5 1 kΩ R2 R8 1 kΩ 1 0 10 15 1 2 10 10 1 5 15 10 1 8 20 10 2 5 47 5 15 3 3 10 2 21 5 0 22 3 To limit the output voltage accuracy degradation due to the FBx bias current 0 1 µA maximum to less than 0 5 maximum ensure that the bottom divider string resistors R2 and R8 is less than 30 kΩ The top resistors R1 and R5 value is calculated using the following equations For Channel 1 V 0 6 ...

Страница 5: ... 3 C11 15nF J6 GND 1 2 J18 GND 1 R10 100k R11 100k VREG VREG C6 10uF 25V 1206 C10 1uF J1 VIN_S 1 R8 2 21k R5 10k U1 ADP2311 GND 1 VREG 2 TIMER 3 PFI 4 PFO 5 POR 6 FB2 7 nRSTO 8 WDI 9 PVIN2 10 SW3 12 PGND3 13 PGND4 14 BST2 15 BST1 16 PGND1 17 PGND2 18 SW1 19 SW2 20 PVIN1 21 EN 22 VM2 23 FB1 24 pad 25 SW4 11 J15 POR 1 C3 10uF 25V 1206 J16 PFO 1 R7 35 7k L2 22uH 1 2 J17 nRSTO 1 R3 499k R6 68 1k J9 GN...

Страница 6: ...UG 653 EVAL ADP2311 User Guide PCB LAYOUT Figure 4 ADP2311 Evaluation Board Layer 1 Component Side Figure 5 ADP2311 Evaluation Board Layer 2 Ground Plane 11995 004 11995 005 Rev 0 Page 6 of 8 ...

Страница 7: ...EVAL ADP2311 User Guide UG 653 Figure 6 ADP2311 Evaluation Board Layer 3 Power Plane Figure 7 ADP2311 Evaluation Board Layer 4 Bottom Side 11995 006 11995 007 Rev 0 Page 7 of 8 ...

Страница 8: ...ard for any other purpose Furthermore the license granted is expressly made subject to the following additional limitations Customer shall not i rent lease display sell transfer assign sublicense or distribute the Evaluation Board and ii permit any Third Party to access the Evaluation Board As used herein the term Third Party includes any entity other than ADI Customer their employees affiliates a...

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