ISL88022 View Datasheet(PDF) - Intersil

Part Name

Description

MFG CO.

ISL88022

Triple Voltage Monitor with Adjustable Power-On-Reset and Undervoltage/Overvoltage Monitoring Capability

Intersil 

ISL88021, ISL88022

3.3V RISING EDGE 100ms/DIV

ISL88022 tPOR = 150ms

CPOR = OPEN

ISL88021 tPOR = 390ms

CPOR = 10pF

FIGURE 6. ISL88021_22EVAL1 tPOR COMPARISON

Operational Timing Diagrams

VDD

VTH1

1V

V2MON or V3MON

(ISL88021)

MR

RST

tPOR

tRPD

tPOR

VTH2 or VREF

>tMR

tRPD

tPOR

tPOR

RST

FIGURE 7. ISL88021 AND ISL88022 TIMING DIAGRAM

<tMD

6

FN8226.1

September 18, 2006

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