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MAX6507

Description
Dual Trip SOT Temperature Switches
File Size183KB,12 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
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MAX6507 Overview

Dual Trip SOT Temperature Switches

19-1712; Rev 1; 4/00
Dual Trip SOT Temperature Switches
General Description
The MAX6505–MAX6508 temperature switches have dual
logic outputs that assert when the die temperature cross-
es their trip thresholds. Trip thresholds are factory pro-
grammed to convenient temperatures in 5°C increments.
The MAX6505/MAX6506 have an ALARM output that
asserts when the temperature is above the factory-pro-
grammed thresholds (available from -40°C to +125°C).
They also have a WARN output that asserts when the
temperature is several degrees below the ALARM thresh-
old. The difference between the ALARM and WARN
thresholds (∆T
AW
) is pin selectable to +5°C, +10°C,
+20°C, or +30°C. The MAX6505’s logic outputs are open
drain, while the MAX6506’s logic outputs are push-pull.
The MAX6507 has open-drain outputs (OVER, OK), and
the MAX6508 has push-pull outputs (OVER,
OK),
each
with two factory-programmed threshold temperatures
(TOVER and TUNDER) in the wide range of -40°C to
+125°C. The overtemperature output asserts when the
temperature is above TOVER. When the temperature is in
the desired window (less than TOVER and greater than
TUNDER), OK (OK) asserts.
The MAX6505–MAX6508 are accurate to ±0.5°C (typ),
±5.5°C (max). Operating from a +2.5V to +5.5V supply,
these low-cost devices typically consume 30µA supply
current and require no external components for setting
trip points. The MAX6505–MAX6508 are available in a 6-
pin SOT23 package.
Features
o
±0.5°C (typ) Threshold Accuracy Over Full
Temperature Range
o
No External Components Required
o
Low Cost
o
30µA (typ) Supply Current
o
Factory-Programmed Thresholds from -40°C to
+125°C in 5°C Increments
o
Open-Drain Outputs (MAX6505/MAX6507),
Push-Pull Outputs (MAX6506/MAX6508)
o
Pin Selectable +2°C, +10°C Hysteresis
(MAX6507/MAX6508)
o
Pin Selectable +5°C, +10°C, +20°C, +30°C
T
ALARM
- T
WARN
(MAX6505/MAX6506)
o
SOT23-6 Package
MAX6505–MAX6508
Ordering Information
PART
MAX6505UT_
_ _ _-T*
MAX6506UT_
_ _ _-T*
MAX6507UT_
_ _ _-T**
MAX6508UT_
_ _ _-T**
TEMP. RANGE
-40°C to +125°C
-40°C to +125°C
-40°C to +125°C
-40°C to +125°C
PIN-
PACKAGE
6 SOT23-6
6 SOT23-6
6 SOT23-6
6 SOT23-6
________________________Applications
µP Temperature Monitoring in High-Speed
Computers
Temperature Control
Temperature Alarms
Fan Control
*To complete the suffix information for the MAX6505/
MAX6506, add P or N for positive or negative trip tempera-
ture, and select an available trip point in degrees centigrade.
For example, the MAX6505UTP055-T describes a MAX6505 in
a SOT23-6 package with a +55°C threshold (Table 3). Contact
the factory for pricing and availability of temperature versions
(minimum order 10,000 pieces).
**To complete the suffix information for MAX6507/MAX6508,
see Table 4.
Selector Guide appears at end of data sheet.
Typical Operating Circuits appear at end of data sheet.
Pin Configurations
TOP VIEW
WARN
(WARN)
1
6
ALARM
(ALARM)
OK
(OK)
1
6
OVER
(OVER)
GND
2
MAX6505
MAX6506
5
S0
GND
2
MAX6507
MAX6508
5
N.C.
S1
3
( ) ARE FOR MAX6506.
4
V
CC
S0
3
4
V
CC
( ) ARE FOR MAX6508.
SOT23-6
SOT23-6
________________________________________________________________
Maxim Integrated Products
1
For free samples and the latest literature, visit www.maxim-ic.com or phone 1-800-998-8800.
For small orders, phone 1-800-835-8769.

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