Datasheet

MAX6765–MAX6774
Automotive Micropower Linear Regulators
with Supervisor
6
Maxim Integrated
Typical Operating Characteristics (continued)
(V
IN
= 14V, C
OUT
= 10µF, C
IN
= 0.1µF, T
A
= +25°C, unless otherwise noted.)
OUTPUT VOLTAGE
vs. LOAD CURRENT
MAX6765 toc09
OUTPUT VOLTAGE (V)
1.79
1.77
1.76
1.75
1.78
1.80
1.83
1.84
1.82
1.81
1.85
20 40 60 80 100
LOAD CURRENT (mA)
03010 50 70 90
V
OUT
= 1.8V
0
20
40
60
80
100
120
140
160
0 25 50 75 100 125
RESET TIMEOUT PERIOD
vs. CAPACITOR VALUE
MAX6765 toc10
CAPACITOR VALUE (nF)
RESET TIMEOUT PERIOD (ms)
0.94
0.96
1.08
1.00
0.98
1.02
1.04
1.06
1.10
-40 -10 5 20-25 35 50 9580 11065 125
NORMALIZED RESET TIMEOUT PERIOD
vs. TEMPERATURE
MAX6765 toc11
TEMPERATURE (°C)
NORMALIZED RESET TIMEOUT PERIOD
NORMALIZED WATCHDOG TIMEOUT
vs. TEMPERATURE
MAX6765 toc12
0.90
0.92
1.04
0.96
0.94
0.98
1.00
1.02
1.06
-40 -10 5 20-25 35 50 9580 11065 125
TEMPERATURE (°C)
NORMALIZED WATCHDOG TIMEOUT
0
1.0
0.5
2.0
1.5
2.5
3.0
3.5
4.0
010155 2025303540
RESET OUTPUT vs. SINK CURRENT
MAX6765 toc13
SINK CURRENT (mA)
RESET OUTPUT (V)
V
OUT
= 5V
0
0
1.0
0.5
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
481216
MAX6765 toc14
SOURCE CURRENT (mA)
RESET OUTPUT (V)
621014
RESET OUTPUT vs. SOURCE CURRENT
V
OUT
= 5V
34
35
36
37
38
39
40
41
42
0.001 0.01 0.1 1 10 100
SUPPLY CURRENT
vs. WATCHDOG INPUT FREQUENCY
MAX6765 toc15
WATCHDOG INPUT FREQUENCY (kHz)
SUPPLY CURRENT (μA)
V
OUT
= 5V
ENABLE
5V/div
GATE
5V/div
HOLD
5V/div
OUT
5V/div
OUT AND HOLD vs. ENABLE
MAX6765 toc16
20ms/div
(SEE TEST CIRCUIT FOR ENABLE AND HOLD)