MAXIM MAX6509, MAX6510 service manual
MAX6509/MAX6510
Resistor-Programmable
SOT Temperature Switches
________________________________________________________________ Maxim Integrated Products 1
19-1617; Rev 2; 11/03
________________General Description
The MAX6509/MAX6510 are fully integrated, resistorprogrammable temperature switches with thresholds
set by an external resistor. They require only one external resistor to set the temperature threshold within a
wide -40°C to +125°C temperature range. The MAX6509
provides an open-drain output. The MAX6510 features
three selectable output options: active-low, active-high,
and open drain with an internal pull-up resistor.
These switches operate with a +2.7V to +5.5V single
supply while providing a temperature threshold accuracy of ±0.5°C (typ) or ±4.7°C (max). They typically consume 32µA supply current. Hysteresis is pin selectable
to 2°C or 10°C.
The MAX6509/MAX6510 are available in 5-pin and 6-pin
SOT23 packages, respectively.
________________________Applications
µP Temperature Monitoring in High-Speed
Computers
Temperature Control
Temperature Alarms
Fan Control
Automotive
____________________________Features
♦ ±0.5°C Threshold Accuracy
♦ ±4.7°C (max) Threshold Accuracy (-40°C to +125°C)
♦ Temperature Threshold Set by a 1% External
Resistor
♦ Set-Hot or Set-Cold Option
♦ Low 32µA Supply Current
♦ Open-Drain, Push-Pull Outputs;
Open-Drain with Internal Pull-Up Resistor
♦ Pin-Selectable 2°C or 10°C Hysteresis
♦ SOT23 Packages
Ordering Information
Pin ConfigurationsTypical Operating Circuit
*A minimum order of 2500 pc. is required for SOT packages.
**See Table 1 for selectable output options.
TOP
MARK
ADNT
ADNU
AAHA
AAHB6 SOT23-6-40°C to +125°C
MAX6510HAUT-T**
5 SOT23-5-40°C to +125°CMAX6509HAUK-T
6 SOT23-6-40°C to +125°C
MAX6510CAUT-T**
5 SOT23-5
PIN-
PACKAGE
TEMP. RANGE
-40°C to +125°C
MAX6509CAUK-T
PART*
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
+2.7V TO +5.5V
0.1µF
V
R
SET
( ) ARE FOR MAX6510.
CC
MAX6509
SET
MAX6510
GND
OUT
(OUT)
GND(OUTSET)
HYST
INT
V
µP
GND
CC
TOP VIEW
15SET
MAX6509
2
GND
34
OUT
SOT23-5
V
CC
HYST
SET
16V
MAX6510
2
GND
34
SOT23-6
5
CC
OUTSET
HYSTOUT, OUT
µA
MAX6509/MAX6510
Resistor-Programmable
SOT Temperature Switches
2 _______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
(V
CC
= +2.7V to +5.5V, TA= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at TA= +25°C.) (Note 1)
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
Note 1: 100% production tested at TA= +25°C. Specifications over temperature limits are guaranteed by design.
Reference to GND Supply Voltage (V
CC
).................-0.3V to +6V
OUT (MAX6509) ....................................................-0.3V to +6V
OUT, OUT (MAX6510).............................-0.3V to (V
CC
+ 0.3V)
SET, HYST, OUTSET ..................................-0.3V to (V
CC
+ 0.3V)
Output Current (all pins) .....................................................20mA
Input Current (all pins) ........................................................20mA
Continuous Power Dissipation (T
A
= +70°C)
5-Pin SOT23 (derate 7.1mW/°C above +70°C).............571mW
6-Pin SOT23 (derate 8.7mW/°C above +70°C).............696mW
Operating Temperature Range .........................-40°C to +125°C
Junction Temperature......................................................+150°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
5.5
±0.1
V
OUTSET
= V
CC
OUTSET = unconnected
OUT, active high
OUT, open drain
V
OUTSET
= GND
OUT, active low
V
OUT
= V
CC
(MAX6509)
I
OUT
= 5mA
I
OUT
= 5mA, OUTSET = GND or V
CC
±0.5 ±3.7
TA= -40°C to 0°C
0.85 · V
CC
0.72 · V
CC
0.55 ·V
CC
V
OUTSET Current I
OUTSET
-5.5
µAMAX6510
OUTSET Voltage V
OUTSET
0.2 · V
CC
MAX6510
HYST Input Threshold
HYST Input Leakage
1
µA
V
IH
VCC- 0.4
V
Output Voltage High V
OH
VCC- 0.4
V
Open-Drain Output Leakage
Current
Output Voltage Low V
OL
0.3
V
I
OUT
10
µA
OUT Impedance to V
CC
V
IL
0.4
60 100 160
kΩOUTSET = unconnected (MAX6510)
Temperature Threshold
Hysteresis
T
HYST
2
°C
10
HYST = GND
HYST = V
CC
Temperature Threshold
Accuracy
Supply Current I
CC
32 50
µA
∆T
TH
±0.5 ±4.7
°C
MAX6509
TA= 0°C to +125°C
PARAMETER SYMBOL MIN TYP MAX UNITS
Supply Voltage Range V
CC
2.7 5.5
V
CONDITIONS
47 80
OUTSET = GND or VCC(MAX6510)
97 165
OUTSET = unconnected, OUT = low
MAX6509/MAX6510
Resistor-Programmable
SOT Temperature Switches
_______________________________________________________________________________________ 3
__________________________________________Typical Operating Characteristics
(VCC= +5V, R
PULL-UP
= 10kΩ (MAX6509 only), TA= +25°C, unless otherwise noted.)
SUPPLY CURRENT vs. TEMPERATURE
50
45
40
35
30
25
SUPPLY CURRENT (µA)
20
15
10
VCC = +3.3V
R
= 0
SET
OUTSET = GND (MAX6510)
-50 0-25 25 50 75 100 125
R
SET
(T
100
90
80
70
60
(kΩ)
50
SET
R
40
30
20
10
0
0 20406080100120140
VCC = +5V
VCC = +2.7V
TEMPERATURE (°C)
vs. TEMPERATURE
= 0°C TO +125°C)
A
TEMPERATURE (°C)
MAX6509/10 toc01
MAX6509/10 toc03
R
vs. TEMPERATURE
SET
= -40°C TO 0°C)
(T
160
150
140
130
(kΩ)
SET
R
120
110
100
90
-40 -30 -25-35 -20 -15 -10 -5 0
A
TEMPERATURE (°C)
TRIP THRESHOLD OFFSET
0.20
0.15
0.10
0.05
0
-0.05
SET POINT OFFSET (°C)
-0.10
-0.15
-0.20
-50 0-25 25 50 75 100 125
vs. TEMPERATURE
VCC = +2.7V
VCC = +3.3V
VCC = +5V
VCC = +3.3V
VCC = +2.7V
TEMPERATURE (°C)
MAX6509/10 toc02
MAX6509/10 toc04
TRIP POINT ERROR
vs. SET TEMPERATURE
1.0
0.9
0.8
0.7
0.6
0.5
0.4
ERROR (°C)
0.3
0.2
0.1
0
-40 -25 0 25 50 75 100 125
VCC = +5V
1% R
SET
SET RESISTOR TEMPCO
200ppm
R
SET
50ppm
TEMPERATURE (°C)
MAX6509/10 toc05
100ppm
HYSTERESIS vs. TEMPERATURE
12
HYST = V
10
8
6
HYSTERESIS (°C)
4
2
0
-40 25 50-25 0 75 100 125
TEMPERATURE (°C)
CC
HYST = GND
MAX6509/10 toc06
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