Datasheet
DS1812
4 of 5
ABSOLUTE MAXIMUM RATINGS*
Voltage on V
CC
Pin Relative to Ground -0.5V to +7.0V
Voltage on RST Relative to Ground -0.5V to V
CC
+0.5V
Operating Temperature -40°C to +85°C
Storage Temperature -55°C to +125°C
Soldering Temperature 260°C for 10 seconds
* This is a stress rating only and functional operation of the device at these or any other conditions
above those indicated in the operation sections of this specification is not implied. Exposure to
absolute maximum rating conditions for extended periods of time may affect reliability.
RECOMMENDED DC OPERATING CONDITIONS (-40°C to +85°C)
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
Supply Voltage V
CC
0.0 5.5 V 1
DC ELECTRICAL CHARACTERISTICS (-40°C to +85°C; V
CC
=1.2V to 5.5V)
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
Output Voltage @ 0-500 mA
V
OH
V
CC
-0.5V
V
CC
-0.1V
V1
Output Current @ 2.4 volts I
OH
350
mA
2
Output Current @ 0.4 volts I
OL
+10 mA 2
Operating Current V
CC
< 5.5 I
CC
30 40
mA
3
V
CC
Trip Point (DS1812-5) V
CCTP
4.50 4.62 4.75 V 1
V
CC
Trip Point (DS1812-10) V
CCTP
4.25 4.35 4.49 V 1
V
CC
Trip Point (DS1812-15) V
CCTP
4.00 4.13 4.24 V 1
Output Capacitance C
OUT
10 pF
AC ELECTRICAL CHARACTERISTICS (-40°C to +85°C; V
CC
=1.2V to 5.5V)
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
RESET Active Time t
RST
100 150 300 ms
V
CC
Detect to RST t
RPD
25
ms
V
CC
Slew Rate
(V
CCTP
(MAX) to V
CCTP
(MIN))
t
F
300
ms
V
CC
Slew Rate
(V
CCTP
(MIN) to V
CCTP
(MAX))
t
R
0ns
V
CC
Detect to RST t
RPU
100 150 300 ms 4