ES1022SI datasheet(12/14 Pages) ALTERA

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Enpirion Power Datasheet ES1022SI Adjustable Quad Sequencer

May 2014

Altera Corporation

TABLE 1. EVB-ES1022SI LEFT CHANNEL COMPONENT LISTING

COMPONENT

DESIGNATOR

COMPONENT FUNCTION

COMPONENT DESCRIPTION

ES1022SI, Quad Under/Overvoltage Sequencer

Altera Enpirion, ES1022SI, Quad Under/Overvoltage Sequencer

UV Resistor for Divider String

1.1k

Ω 1%, 0603

VMONITOR Resistor for Divider String

88.7k

Ω1%, 0603

OV Resistor for Divider String

9.1k

Ω 1%, 0603

CTIME Sets Delay from Sequence Start to First EN

0.01

μF, 0603

RTDLY_CD Sets Delay from Third to Fourth EN

120k

Ω1%, 0603

RTDLY_AB Sets Delay from First to Second EN

3.01k

Ω1%, 0603

RTDLY_BC Sets Delay from Second to Third EN

51k

Ω1%, 0603

R4, R6, R8, R10, R11

EN_X and FAULT Pull-up Resistors

Ω10%, 0402

Decoupling Capacitor

μF, 0603

FIGURE 15. EVB-ES1022SI PHOTOGRAPH AND SCHEMATIC OF LEFT CHANNEL

TIMING

COMPONENTS

RESISTORS

UV/OV SET

RESISTORS

PULL-UP

EN_A

EN_B

EN_C

EN_D

ES1022SI

TDLY_CD

TDLY_BC

TDLY_AB

10037

May 28, 2014

Rev A

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