Typical operating characteristics, Electrical characteristics (continued) – Rainbow Electronics MAX6670 User Manual
Page 3
![background image](/manuals/280428/3/background.png)
MAX6668/MAX6670
Remote Temperature Switches with Integrated
Fan Controller/Driver
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(V
DD
= +3V to +3.6V, T
A
= -40°C to +125°C, unless otherwise noted. Typical values are at V
DD
= +3.3V and T
A
= +25°C.)
Note 1: T
RJ
is the temperature of the remote P-N junction.
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
FORCEON Input Low Voltage
V
IL
0.2 x
V
DD
V
FORCEON Input Bias Current
V
FORCEON
= V
DD
or GND
1
µA
WARN, OT Output Voltage Low
V
OL
I
SINK
= 6mA
0.5
V
WARN, OT Output High Leakage
Current
I
OH
V
WARN
or V
OT
= +5.5V
1
µA
Typical Operating Characteristics
(T
A
= +25°C, unless otherwise noted.)
0
0.2
0.1
0.4
0.3
0.6
0.5
0.7
0
100
150
50
200
250
300
FANOUT CURRENT
vs. FANOUT VOLTAGE
MAX6668/70 toc01
I
FANOUT
(mA)
V
FANOUT
(V)
T
A
= +25
°C
V
DD
= +3.3V
0
0.6
0.4
0.2
0.8
1.0
1.2
1.4
1.6
1.8
2.0
2.0
2.5
3.0
3.5
FANOUT VOLTAGE
vs. SUPPLY VOLTAGE
MAX6668/70 toc02
V
DD
(V)
V
FANOUT
(V)
T
A
= +105
°C
T
A
= +65
°C
T
A
= +25
°C
I
FANOUT
= 250mA
0
40
20
80
60
120
100
140
SUPPLY CURRENT
vs. TEMPERATURE
MAX6668/70 toc03
TEMPERATURE (
°C)
I
DD
(µ
A)
0
25
50
75
100
V
DD
= +3.3V, I
FANOUT
= 250mA
0
40
20
80
60
120
100
140
3.0
3.6
3.3
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
MAX6668/70 toc04
V
DD
(V)
I
DD
(µ
A)
FORCEON = V
DD
0
5
20
15
10
25
30
-1.00
-0.25
-0.50
0.50
-0.75
0
0.25
0.75
1.00
TEMPERATURE THRESHOLD ERROR
MAX6668/70 toc05
THRESHOLD ERROR (
°C)
PERCENTAGE OF SAMPLES (%)
MAX6670AUB040
119 SAMPLES