Datasheet

MAX6501–MAX6504
Low-Cost, +2.7V to +5.5V, Micropower
Temperature Switches in SOT23
_______________________________________________________________________________________ 3
0
5
10
15
20
25
30
35
40
-55 5-25 35 65 95 125
SUPPLY CURRENT
vs. TEMPERATURE
MAX6501 TOC01
TEMPERATURE (°C)
SUPPLY CURRENT (μA)
0
100
200
300
400
500
600
700
800
-55 5-25 35 65 95 125
MAX6502/MAX6504
OUTPUT SOURCE RESISTANCE
vs. TEMPERATURE
MAX6501 TOC02
TEMPERATURE (°C)
OUTPUT SOURCE RESISTANCE (Ω)
V
CC
= 2.7V
V
CC
= 5.0V
V
CC
= 3.3V
0
20
40
60
80
100
120
140
160
-55 5-25 35 65 95 125
OUTPUT SINK RESISTANCE
vs. TEMPERATURE
MAX6501 TOC03
TEMPERATURE (°C)
OUTPUT SINK RESISTANCE (Ω)
V
CC
= 2.7V
V
CC
= 5.0V
V
CC
= 3.3V
+15°C/div
+100°C
+25°C
SOT23 THERMAL STEP RESPONSE
IN PERFLUORINATED FLUID
MAX6501 TOC4
5sec/div
MOUNTED ON 0.75in
2
OF 2 oz. COPPER
0
4
2
8
6
10
12
14
16
-5 15-25-45 35 55 75 95 115
HYSTERESIS
vs. TRIP TEMPERATURE
MAX6501 TOC8
TRIP TEMPERATURE (°C)
HYSTERESIS (°C)
MAX6503
MAX6504
HYST = V
CC
MAX6501
MAX6502
HYST = V
CC
MAX6501
MAX6502
HYST = GND
MAX6503
MAX6504
HYST = GND
+12.5°C/div
+100°C
+25°C
SOT23 THERMAL STEP RESPONSE
IN STILL AIR
MAX6501 TOC5
20sec/div
MOUNTED ON 0.75in
2
OF 2 oz. COPPER
TRACE A: TOVER VOLTAGE, R
PULLUP
= 100kΩ
TRACE B: V
CC
PULSE DRIVEN FROM 3.3V CMOS LOGIC OUTPUT
MAX6501 STARTUP AND POWER-DOWN
(T < T
TH
)
B
A
MAX6501 TOC07
TRACE A: TOVER VOLTAGE, R
PULLUP
= 100kΩ
TRACE B: V
CC
PULSE DRIVEN FROM 3.3V CMOS LOGIC OUTPUT
MAX6501 STARTUP DELAY
(T > T
TH
)
B
A
MAX6501 TOC07A
__________________________________________Typical Operating Characteristics
(V
CC
= +5V, R
PULLUP
= 100kΩ (MAX6501/MAX6503), T
A
= +25°C, unless otherwise noted.)
0
10
20
30
40
50
60
-5 -4 -3 -2 -1 0 1 2 3 4 5
TRIP THRESHOLD ACCURACY
MAX6501 TOC-A
ACCURACY (°C)
PERCENTAGE OF PARTS SAMPLED (%)
SAMPLE SIZE = 300