CAT811 Datasheet, PDF (6/11 Pages) Catalyst Semiconductor – 4-Pin Microprocessor Power Supply Supervisors

CAT811, CAT812
TYPICAL OPERATING CHARACTERISTICS
V_CC = Full range, T_A = -40˚C to +85˚C unless otherwise noted. Typical values at T_A = +25˚C and V_CC = 5 V for
L/M/J versions, V_CC=3.3 V for T/S versions, V_CC = 3 V for R version and V_CC = 2.5 V for Z version.
POWER-UP RESET TIMEOUT
VS. TEMPERATURE
260
240
VCC=5V
220
200
VCC=2.5V
180
160
-50
0
50
100 150
TEMPERATURE (˚C)
SUPPLY CURRENT VS. TEMPERATURE
(NO LOAD, CAT8xxR/S/T/Z)
12
10
VCC=5.5V
8
6
VCC=3.6V
4
2
0
-50
0
50
100 150
TEMPERATURE (˚C)
POWER-DOWN RESET DELAY VS. TEMPERATURE
(CAT8xxR/S/T/Z)
14
12
10
8
6
4
2
0
-50
0
50
100 150
TEMPERATURE (˚C)
1.0002
NORMALIZED RESET THRESHOLD
VS. TEMPERATURE
1
0.9998
0.9996
0.9994
0.9992
0.999
0.9988
0 20 40 60
80 100 120
TEMPERATURE (˚C)
Doc. No. 3005, Rev. P
6
Patent Pending