Rainbow Electronics MAX6871 - Manual (Page 6)

MAX6870/MAX6871
EEPROM-Programmable Hex/Quad
Power-Supply Sequencers/Supervisors with ADC
6 _______________________________________________________________________________________
Typical Operating Characteristics
(V
IN1
= +6.5V to +13.2V, V
IN2
= +10V, V
IN3
–
IN6
= +2.7V to +5.5V, AUXIN_ = GPI_ = GND, MARGIN = MR = DBP, T
A
= +25°C,
unless otherwise noted.)
SUPPLY CURRENT
vs. SUPPLY VOLTAGE (IN1)
MAX6870/71 toc01
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (mA)
12.5 11.5 10.5 9.5 8.5 7.5
0.9
1.0
1.1
1.2
1.3
1.4
1.5
0.8
6.5 13.5
T A = +85 °C
T A = +25 °C
T A = -40 °C
SUPPLY CURRENT
vs. SUPPLY VOLTAGE (IN3 TO IN6)
MAX6870/71 toc02
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (mA)
5.0 4.5 4.0 3.5 3.0
0.9
1.0
1.1
1.2
1.3
1.4
1.5
0.8
2.5 5.5
T A = +25 °C
T A = +85 °C
T
A
= -40 °C
NORMALIZED PO_ TIMEOUT PERIOD
vs. TEMPERATURE
MAX6870/71 toc03
TEMPERATURE ( °C)
NORMALIZED PO_ TIMEOUT PERIOD
60 35 -15 10
0.97
0.98
0.99
1.00
1.02
1.01
1.03
1.04
0.96
-40 85
IN_ TO PO_
PROPAGATION DELAY vs. TEMPERATURE
MAX6870/71 toc04
TEMPERATURE ( °C)
IN_ TO PO_ OUTPUT PROPAGATION DELAY (
µ
s)
60 35 10 -15
12
14
16
18
20
22
24
26
28
30
10
-40 85
100mV OVERDRIVE
NORMALIZED WATCHDOG TIMEOUT PERIOD
vs. TEMPERATURE
MAX6870/71 toc05
TEMPERATURE ( °C)
NORMALIZED WATCHDOG TIMEOUT PERIOD
60 35 -15 10
0.985
0.990
0.995
1.000
1.010
1.005
1.015
1.020
0.980
-40 85
NORMALIZED IN_ THRESHOLD
vs. TEMPERATURE
MAX6870/71 toc06
TEMPERATURE ( °C)
NORMALIZED IN_ THRESHOLD
60 35 10 -15
0.992
0.994
0.996
0.998
1.000
1.002
1.004
1.006
1.008
1.010
0.990
-40 85
IN3 THRESHOLD = 1V,
20mV/STEP RANGE
MAXIMUM IN_ TRANSIENT DURATION
vs. IN_ THRESHOLD OVERDRIVE
MAX6870/71 toc07
IN_ THRESHOLD OVERDRIVE (mV)
MAXIMUM_ TRANSIENT DURATION (
µ
s)
100 10
10
20
30
40
50
60
70
80
90
100
110
120
130
0
1 1000
PO_ ASSERTION
OCCURS ABOVE THIS LINE
OUTPUT VOLTAGE LOW
vs. SINK CURRENT
MAX6870/71 toc08
I SINK (mA)
V
OL
(mV)
13 12 10 11 3 4 5 6 7 8 9 1 2
50
100
150
200
250
300
350
400
450
0
0 14 15
OPEN-DRAIN, CHARGE
PUMP, OR WEAK PULLUP
PO1–PO4 (MAX6870)
PO1/PO2 (MAX6871)
PUSH-PULL
PO5–PO8 (MAX6870)
PO3/PO4/PO5 (MAX6871)