MAX6509-MAX6510 MAXIM [Maxim Integrated Products], MAX6509-MAX6510 Datasheet

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MAX6509-MAX6510

Manufacturer Part Number
MAX6509-MAX6510
Description
Resistor-Programmable SOT Temperature Switches
Manufacturer
MAXIM [Maxim Integrated Products]
Datasheet
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°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 accura-
cy of ±0.5°C (typ) or ±4.0°C (max). They typically con-
sume 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
19-1617; Rev 0; 1/00
________________General Description
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.
For small orders, phone 1-800-835-8769.
( ) ARE FOR MAX6510.
0.1µF
µP Temperature Monitoring in High-Speed
Computers
Temperature Control
Temperature Alarms
Fan Control
Automotive Applications
R
SET
Typical Operating Circuit
________________________________________________________________ Maxim Integrated Products
SET
+2.7V TO +5.5V
MAX6509
MAX6510
GND
V
CC
HYST
(OUTSET)
(OUT)
OUT
GND
INT
GND
V
µP
CC
SOT Temperature Switches
Resistor-Programmable
____________________________Features
o ±0.5°C Threshold Accuracy
o ±4.0°C (max) Threshold Accuracy (-40°C to +125°C)
o Temperature Threshold Set by a 1% External
o Set-Hot or Set-Cold Option
o Low 32µA Supply Current
o Open-Drain, Push-Pull Outputs;
o Pin-Selectable 2°C or 10°C Hysteresis
o SOT23 Packages
Note: A 2500 pc. minimum is required for SOT packages.
*See Table 1 for selectable output options.
MAX6509HAUK-T
MAX6509CAUK-T
MAX6510HAUT-T*
MAX6510CAUT-T*
GND
OUT
TOP VIEW
SET
Resistor
Open-Drain with Internal Pull-Up Resistor
1
2
3
PART
SOT23-5
MAX6509
5
4
-40°C to +125°C
-40°C to +125°C
-40°C to +125°C
-40°C to +125°C
TEMP. RANGE
V
HYST
CC
Ordering Information
Pin Configurations
OUT, OUT
GND
SET
1
2
3
SOT23-6
PACKAGE
MAX6510
5 SOT23-5
5 SOT23-5
6 SOT23-6
6 SOT23-6
PIN-
6
5
4
MARK
ADNU
ADNT
AAHA
AAHB
V
OUTSET
HYST
TOP
CC
1

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MAX6509-MAX6510 Summary of contents

Page 1

... They require only one exter- nal 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 ...

Page 2

... SOT Temperature Switches ABSOLUTE MAXIMUM RATINGS Reference to GND Supply Voltage (V ).................-0.3V to +6V CC OUT (MAX6509) ....................................................-0.3V to +6V OUT, OUT (MAX6510).............................-0. SET, HYST, OUTSET ..................................-0. Output Current (all pins) .....................................................20mA Input Current (all pins) ........................................................20mA 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 ...

Page 3

... Operating Characteristics (V = +5V 10kΩ (MAX6509 only PULL-UP SUPPLY CURRENT vs. TEMPERATURE +3. +2. 0Ω SET OUTSET = GND (MAX6510) 10 -50 - TEMPERATURE (°C) R vs. TEMPERATURE SET (T = 0°C TO +125°C) A 100 ...

Page 4

... Choose the set-hot temperature (H) or set-cold temper- ature (C) option to ensure that the trip point is accurate and the hysteresis is in the right direction. A MAX6509 or MAX6510 with the H suffix will first trip at the correct point when temperature is increasing. For example, a MAX6509HAUK-T or MAX6510HAUT-T with its trip point set to 100° ...

Page 5

... OUT HYST NETWORK HYST OUT OUT HYST NETWORK HYST *HYSTERESIS IS 10°C FOR HYST = V AND 2°C FOR HYST = GND. CC MAX6509 V WITH A PULL-UP RESISTOR T TH HYSTERESIS* MAX6510 HYSTERESIS* MAX6509 V WITH A PULL-UP RESISTOR T TH HYSTERESIS* MAX6510 T TH HYSTERESIS* TEMP TEMP TEMP TEMP 5 ...

Page 6

... The key to accurate temperature monitor- ing is good thermal contact between the MAX6509/ MAX6510 package and the device being monitored. In some applications, the SOT23-5 and SOT23-6 pack- ages may be small enough to fit underneath a socketed µ ...

Page 7

... Low-Cost, Fail-Safe Temperature Monitor In high-performance/high-reliability applications, multi- ple temperature monitoring is important. The high-level integration and low cost of the MAX6509/MAX6510 facilitate the use of multiple temperature monitors to increase system reliability. Figure 6 shows two MAX6510s with different temperature thresholds. This ensures that fault conditions that can overheat the mon- itored device cause no permanent damage ...

Page 8

Resistor-Programmable SOT Temperature Switches ________________________________________________________Package Information Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications ...

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