SMM665C_11 datasheet(10/36 Pages) SUMMIT

10 / 36 page

SMM665C

Summit Microelectronics, Inc

2125 3.2 5/24/2011

AC OPERATING CHARACTERISTICS

Over recommended operating conditions, unless otherwise noted. All voltages are relative to GND. See

Figure 5 and 6 Timing diagrams.

Symbol

Description

Conditions

Min

Typ

Max

Unit

tDPON

Programmable Power-on delay

from VMX out-of-fault to PUPY

active

tDPON = 0.64ms

-15

tDPON

+15

tDPON = 12.5ms

tDPON = 25ms

tDPON = 50ms

tDPOFF

Programmable Power-off delay

from VMX off to PUPY inactive

tDPOFF = 0.64ms

-15

tDPOFF

+15

tDPOFF = 12.5ms

tDPOFF = 25ms

tDPOFF = 50ms

tPRTO

Programmable Reset Time-Out

Period

tPRTO = 0.64ms

-15

tPRTO

+15

tPRTO = 25ms

tPRTO = 100ms

tPRTO = 200ms

tSTT

Programmable Sequence

Termination Timer

tSTT = OFF

-15

tSTT

+15

tSTT = 100ms

tSTT = 200ms

tSTT = 400ms

tADC

10-bit ADC sampling period

Time for ADC conversion

of all 11 channels

tDC_CONTROL

Active DC Control sampling

period

Update period for Active

DC Control of channels

A – F

1.7

tconv

Single ADC channel conversion

time

Update period for Active

DC Control per channel

182

μs

MARGIN

Margin Time from Nominal

Slow Margin, + 10%

change in voltage with

0.1% ripple

TRIM_CAP=1

μF

850

Fast Margin, + 10%

change in voltage with

0.1% ripple

TRIM_CAP=1

μF

tA-M_SUSPEND

Auto-Monitor Suspend Period

Auto-Monitor suspended

indefinitely by a faulty I

transaction

100

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