19-1617; Rev 1b; 9/00
Resistor-Programmable
SOT Temperature Switches
________________General Description
The MAX6509/MAX6510 are fully integrated, resistor-
programmable temperature switches with thresholds
set by an external resistor. They require only one exter-
nal resistor to set the temperature threshold within a
wide -40擄C to +125擄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 accura-
cy of 鹵0.5擄C (typ) or 鹵4.7擄C (max). They typically con-
sume 32碌A(chǔ) supply current. Hysteresis is pin selectable
to 2擄C or 10擄C.
The MAX6509/MAX6510 are available in 5-pin and 6-pin
SOT23 packages, respectively.
____________________________Features
o
鹵0.5擄C Threshold Accuracy
o
鹵4.7擄C (max) Threshold Accuracy (-40擄C to +125擄C)
o
Temperature Threshold Set by a 1% External
Resistor
o
Set-Hot or Set-Cold Option
o
Low 32碌A(chǔ) Supply Current
o
Open-Drain, Push-Pull Outputs;
Open-Drain with Internal Pull-Up Resistor
o
Pin-Selectable 2擄C or 10擄C Hysteresis
o
SOT23 Packages
MAX6509/MAX6510
________________________Applications
碌P Temperature Monitoring in High-Speed
Computers
Temperature Control
Temperature Alarms
Fan Control
Automotive
PART*
鈥燤AX6509CAUK-T
MAX6509HAUK-T
MAX6510CAUT-T**
鈥燤AX6510HAUT-T**
Ordering Information
TEMP. RANGE
-40擄C to +125擄C
-40擄C to +125擄C
-40擄C to +125擄C
-40擄C to +125擄C
PIN-
PACKAGE
5 SOT23-5
5 SOT23-5
6 SOT23-6
6 SOT23-6
TOP
MARK
ADNT
ADNU
AAHA
AAHB
*A
minimum order of 2500 pc. is required for SOT packages.
**See
Table 1 for selectable output options.
鈥燙ontact
factory for availability.
Typical Operating Circuit
+2.7V TO +5.5V
0.1碌F
V
CC
SET
R
SET
V
CC
INT
碌P
GND
2
GND
GND
OUT
3
4
HYST
SET
1
5
V
CC
Pin Configurations
TOP VIEW
SET
1
6
V
CC
MAX6509
OUT
MAX6510
(OUT)
(OUTSET)
GND HYST
MAX6509
GND
2
MAX6510
5
OUTSET
OUT, OUT
3
4
HYST
SOT23-5
( ) ARE FOR MAX6510.
SOT23-6
________________________________________________________________
Maxim Integrated Products
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim鈥檚 website at www.maxim-ic.com.
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