MAX16056 Datasheet, PDF (4/17 Pages) Maxim Integrated Products – 125nA Supervisory Circuits with Capacitor- Adjustable Reset and Watchdog Timeouts

MAX16056–MAX16059
125nA Supervisory Circuits with Capacitor-
Adjustable Reset and Watchdog Timeouts
(V_CC = 2.5V, T_A = +25°C, unless otherwise noted.)
Typical Operating Characteristics
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
10.0
V_TH = 2.23V
1.0
T_A = +125NC
T_A = +85NC
T_A = -40NC
T_A = +25NC
0.1
1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
V_CC (V)
NORMALIZED RESET TIMEOUT PERIOD
vs. TEMPERATURE
1.10
1.08
1.06
1.04
1.02
1.00
0.98
0.96
0.94
0.92
0.90
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE (NC)
SUPPLY CURRENT vs. TEMPERATURE
350
RESET IS NOT ASSERTED
300 VTH = 1.575V
250
V_CC = 5.5V
V_CC = 3.3V
200
150
100
V_CC = 2.5V
V_CC = 1.8V
50
0
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE (NC)
NORMALIZED WATCHDOG
TIMEOUT PERIOD vs. TEMPERATURE
1.05
1.04
1.03
1.02
1.01
1.00
0.99
0.98
0.97
0.96
0.95
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE (NC)
RESET TIMEOUT PERIOD
vs. C_SRT
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
0 50 100 150 200 250 300
C_SRT (nF)
MAXIMUM V_CC TRANSIENT DURATION
vs. RESET THRESHOLD OVERDRIVE
1000
RESET OCCURS ABOVE THIS LINE
100
10
V_CC FALLING FROM V_TH + 100mV
1
10
100
1000
RESET THRESHOLD OVERDRIVE (mV)
NORMALIZED RESET THRESHOLD
VOLTAGE vs. TEMPERATURE
1.020
1.015
1.010
1.005
1.000
0.995
0.990
0.985
0.980
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE (NC)
V_CC TO RESET DELAY
vs. TEMPERATURE
120
V_CC = V_TH + 100mV TO V_TH - 100mV
110
100
90
80
70
60
50
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE (NC)
4
Maxim Integrated