Typical operating characteristics – Rainbow Electronics MAX6660 User Manual
Page 4
MAX6660
Remote-Junction Temperature-Controlled
Fan-Speed Regulator with SMBus Interface
4
_______________________________________________________________________________________
1
10
100
TEMPERATURE ERROR
vs. PC BOARD RESISTANCE
MAX6660 toc01
LEAKAGE RESISTANCE (M
Ω)
TEMPERATURE ERROR (
°C)
20
-30
-25
-20
-15
-10
-5
0
15
10
5
PATH = DXP TO GND
PATH = DXP TO V
CC
(+5V)
-5
-2
-3
-4
-1
0
1
2
3
4
5
-50
0
50
100
150
MAX6660 toc02
TEMPERATURE (
°C)
TEMPERATURE ERROR (
°C)
TEMPERATURE ERROR
vs. REMOTE-DIODE TEMPERATURE
1
100
10k
1M
10
1k
100k
10M 100M
TEMPERATURE ERROR
vs. POWER-SUPPLY NOISE FREQUENCY
MAX6660 toc03
FREQUENCY (Hz)
TEMPERATURE ERROR (
°C)
20
-30
-25
-20
-15
-10
-5
0
15
10
5
V
IN
= 100mVp-p
V
IN
= SQUARE WAVE APPLIED TO V
CC
WITH NO 0.1
µF V
CC
CAPACITOR
V
IN
= 250mVp-p
4.0
-1.5
-1.0
MAX6660 toc04
FREQUENCY (Hz)
TEMPERATURE ERROR (
°C)
-0.5
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
1
10
100M
1M 10M
100
1k
10k 100k
TEMPERATURE ERROR
vs. COMMON-MODE NOISE FREQUENCY
V
IN
= 50mVp-p
V
IN
= SQUARE WAVE
AC-COUPLED TO DXN
V
IN
= 100mVp-p
V
IN
= 25mVp-p
-8
-6
-7
-4
-5
-3
-2
0
-1
1
0 10 20 30 40 50 60 70 80 90 100
MAX6660 toc05
DXP-DXN CAPACITANCE (nF)
TEMPERATURE ERROR (
°C)
TEMPERATURE ERROR
vs. DXP-DXN CAPACITANCE
0
1
3
2
4
5
MAX6660 toc06
SUPPLY VOLTAGE (V)
STANDBY SUPPLY CURRENT (
µ
A)
3.0
4.0
4.5
3.5
5.0
5.5
STANDBY SUPPLY CURRENT
vs. SUPPLY VOLTAGE
3.0
3.9
4.2
3.3
3.6
4.5
4.8
5.1
5.4
MAX6660 toc07
SUPPLY VOLTAGE (V)
AVERAGE SUPPLY CURRENT (
µ
A)
100
200
300
400
AVERAGE SUPPLY CURRENT
vs. SUPPLY VOLTAGE
Typical Operating Characteristics
(V
CC
= +3.3V, T
A
= +25°C, unless otherwise noted.)