MAX16016_0812 Datasheet, PDF (8/21 Pages) Maxim Integrated Products – Low-Power μP Supervisory Circuits with Battery-Backup Circuit and Chip-Enable Gating

Low-Power µP Supervisory Circuits with
Battery-Backup Circuit and Chip-Enable Gating
Typical Operating Characteristics (continued)
(V_CC = 5V, V_BATT = 0V, T_A = +25°C, unless otherwise noted.)
WDO OUTPUT VOLTAGE LOW
vs. SINK CURRENT
0.5
V_CC SUPPLY CURRENT
vs. WDI FREQUENCY
70
BATTON OUTPUT VOLTAGE LOW
vs. SINK CURRENT
0.5
60
0.4
50
0.3
V_CC = 3.3V
40
0.2
30
V_CC = 5V
20
0.1
10
0.4
0.3
V_CC = 3.3V
0.2
V_CC = 5V
0.1
0
0 2 4 6 8 10 12 14 16 18 20
SINK CURRENT (mA)
0
0
0
10
100
1000
0 2 4 6 8 10 12 14 16 18 20
WDI FREQUENCY (kHz)
SINK CURRENT (mA)
BATTOK OUTPUT VOLTAGE LOW
vs. SINK CURRENT
0.5
MR FALLING TO RESET DELAY
MAX16016 toc20
0.4
0.3
V_CC = 3.3V
MR
5V/div
0.2
V_CC = 5V
0.1
RESET
5V/div
0
0 2 4 6 8 10 12 14 16 18 20
SINK CURRENT (mA)
200ns/div
RESET PROPAGATION DELAY
vs. THRESHOLD OVERDRIVE
70
MAX16020PTEZ+
60
50
40
30
20
10
0
0 50 100 150 200 250 300 350 400
THRESHOLD OVERDRIVE (mV)
CHIP-ENABLE GATING LOCKING OUT
SIGNAL DURING RESET CONDITION
MAX16016 toc22
RESET
5V/div
CEIN
5V/div
CEOUT
5V/div
10µs/div
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