SMM665C Datasheet, PDF (10/36 Pages) Summit Microelectronics, Inc. – Six-Channel Active DC Output Controller, Monitor, Marginer and Sequencer

SMM665C
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
t_DPON
t_DPOFF
t_PRTO
t_STT
t_ADC
Programmable Power-on delay
from VM_X out-of-fault to PUP_Y
active
t_DPON = 0.64ms
t_DPON = 12.5ms
t_DPON = 25ms
t_DPON = 50ms
-15
t_DPON
+15
%
t_DPOFF = 0.64ms
Programmable Power-off delay
from VM_X off to PUP_Y inactive
t_DPOFF = 12.5ms
t_DPOFF = 25ms
-15
t_DPOFF
+15
%
t_DPOFF = 50ms
t_PRTO = 0.64ms
Programmable Reset Time-Out
Period
t_PRTO = 25ms
t_PRTO = 100ms
-15
t_PRTO
+15
%
t_PRTO = 200ms
t_STT = OFF
Programmable Sequence
Termination Timer
t_STT = 100ms
t_STT = 200ms
-15
t_STT
+15 %
t_STT = 400ms
10-bit ADC sampling period
Time for ADC conversion
of all 11 channels
2
ms
t_{DC_CONTROL}
Active DC Control sampling
period
Update period for Active
DC Control of channels
A–F
1.7
ms
t_conv
Single ADC channel conversion Update period for Active
time
DC Control per channel
182
µs
Slow Margin, + 10%
change in voltage with
0.1% ripple
850
ms
T_MARGIN
Margin Time from Nominal
TRIM_CAP=1µF
Fast Margin, + 10%
change in voltage with
0.1% ripple
85
ms
TRIM_CAP=1µF
t_{A-M_SUSPEND}
Auto-Monitor Suspend Period
Auto-Monitor suspended
indefinitely by a faulty I²C
transaction
25
100 ms
Summit Microelectronics, Inc
2125 3.1 7/22/2008
10