Document
Data Sheet
Simple Sequencers® in 6-Lead SC70 ADM1085/ADM1086/ADM1087
FEATURES
Provide programmable time delays between enable signals
Can be cascaded with power modules for multiple supply sequencing
Power supply monitoring from 0.6 V Output stages
High voltage (up to 22 V) open-drain output (ADM1085/ADM1087) Push-pull output (ADM1086) Capacitor-adjustable time delays High voltage (up to 22 V) enable and VIN inputs Low power consumption (15 μA) Specified over –40°C to +125°C temperature range 6-lead SC70 package
APPLICATIONS
Desktop/notebook computers, servers Low power portable equipment Routers Base stations Line cards Graphics cards
FUNCTIONAL BLOCK DIAGRAMS
VCC
ADM1085/ADM1086
VIN 0.6V
CAPACITOR ADJUSTABLE
DELAY
ENOUT
GND
CEXT
ENIN
ADM1087
VIN 0.6V
VCC
CAPACITOR ADJUSTABLE
DELAY
ENOUT
GND
CEXT
ENIN
Figure 1.
04591-001
GENERAL DESCRIPTION
The ADM1085/ADM1086/ADM1087 are simple sequencing circuits that provide a time delay between the enabling of voltage regu.