Altera Enpirion EP5358xUI Series Скачать руководство пользователя страница 8

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Enpirion

Power Evaluation Board User Guide

EP5358xUI PowerSoC

Board, BOM, Schematic

Figure 4. Photo of EVB.

Table 3. EVB Bill of Materials.

Item Description

Qty

Ref Des

Item Type

Function

4.7UF 10V X5R 0603 CAPACITOR CERAMIC

Capacitor

Input Capacitor

CAP, 10UF 0805 X7R 10% 10V CERAMIC

Capacitor

Output Capacitor

EP5358xUI 2.5MM X 2.25MM

Device-GTP

Enpirion EP5358xUI

CAP 47UF 16V ELECT FC SMD

Capacitor

Board Input Decoupling Capacitor

S2A DIODE

Diode

Reverse Polarity Protection

CAP, 10UF 0805 X7R 10% 10V CERAMIC

C10

Capacitor

Connector Decoupling

MULTILAYER SMD FERRITE BEAD 4000MA 0805

FB1

Ferrite Bead

Connector Decoupling

CONNECTOR, CUSTOM, VERTICAL HEADER, SMT

Connector/Contact

Jumper/Connector Array

COMPONENT NOT USED ** DO NOT INSTALL **

C1,C4,C5,C9,R1,R2,R3,U2

Not Used

TEST POINT SURFACE MOUNT

TP5,TP6,TP7,TP8

Connector/Contact

Test Point

RESISTOR ZERO OHM 1/10W 5% 0402 SMD

Resistor

Zero Ohm Jumper

Page 8 of 10

www.altera.com/enpirion

Содержание Enpirion EP5358xUI Series

Страница 1: ...ties This includes the base configuration of an 0603 input capacitor and an 0805 output capacitor Pads are available to add up to one additional input capacitor and up to one additional output capacitor for evaluation of performance over a wide range of input output capacitor combinations Pads are available to populate an external resistor divider to enable output voltage programming of values not...

Страница 2: ...e polarity and the voltage magnitude If VIN is greater than 6V the board may get damaged If the input voltage polarity is wrong diode D1 will conduct and draw excessive input current STEP 3 Set the output voltage select pins for the desired output voltage Refer to Tables 1 and 2 to determine the setting CAUTION the external resistor divider is not populated in the standard board configuration Choo...

Страница 3: ...Enpirion Power Evaluation Board User Guide EP5358xUI PowerSoC Figure 1 Evaluation Board silk screen Page 3 of 10 www altera com enpirion ...

Страница 4: ...There are seven preset output voltage levels and an externally programmable option for the EP5358LQI The EP5358HQI has eight preset output voltage levels and no external programming capability Table 1 EP5358LUI Output Voltage Select Logic Table VS2 VS1 VS0 VOUT 0 0 0 1 50 0 0 1 1 45 0 1 0 1 20 0 1 1 1 15 1 0 0 1 10 1 0 1 1 05 1 1 0 0 8 1 1 1 EXT Table 2 EP5358HUI Output Voltage Select Logic Table ...

Страница 5: ... pair TP2 to measure the output voltage ripple to avoid noise coupling into the probe ground lead and for load transient response measurements Using The External Voltage Divider The EP5358xUI evaluation board is designed to provide a great deal of flexibility in evaluating the performance of Altera s Enpirion DC DC module Pre tinned pads are provided to place 0805 sized 1 resistors on the board to...

Страница 6: ...ld be tied to the Output pin even in external feedback mode to access the internal phase lead capacitor that is situated between the VSENSE and VFB pads This phase lead capacitor is integral to the loop compensation and the power supply stability Dynamically Adjustable Output The EP5358xUI is designed to allow for dynamic switching between the predefined voltage levels by toggling the VID pins The...

Страница 7: ... performance can be improved by using 2x10µF 0603 MLCC capacitors for any allowed VIN The maximum output filter capacitance next to the output pins of the device is 60µF low ESR MLCC capacitance VOUT has to be sensed at the last output filter capacitor next to the EP5358xUI Additional bulk capacitance for decoupling and bypass can be placed at the load as long as there is sufficient separation bet...

Страница 8: ...V ELECT FC SMD 1 C8 Capacitor Board Input Decoupling Capacitor S2A DIODE 1 D1 Diode Reverse Polarity Protection CAP 10UF 0805 X7R 10 10V CERAMIC 1 C10 Capacitor Connector Decoupling MULTILAYER SMD FERRITE BEAD 4000MA 0805 1 FB1 Ferrite Bead Connector Decoupling CONNECTOR CUSTOM VERTICAL HEADER SMT 1 J1 Connector Contact Jumper Connector Array COMPONENT NOT USED DO NOT INSTALL 8 C1 C4 C5 C9 R1 R2 R...

Страница 9: ...Enpirion Power Evaluation Board User Guide EP5358xUI PowerSoC Figure 5 2 5mmx2 25mm Module Evaluation Board Schematic Page 9 of 10 www altera com enpirion ...

Страница 10: ...the property of their respective holdersas described at www altera com common legal html Altera warrantsperformance of itssemiconductor productsto current specifications in accordance with Altera sstandard warranty but reservesthe right to make changesto any productsand servicesat any time withoutnotice Alteraassumesno responsibility or liability arisingout of the application or use of any informa...

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