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MAX6519UK

Description
DIGITAL TEMP SENSOR-SINGLE TRIP POINT, 1.50Cel, RECTANGULAR, SURFACE MOUNT
CategoryThe sensor   
File Size191KB,11 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
Download Datasheet View All

MAX6519UK Overview

DIGITAL TEMP SENSOR-SINGLE TRIP POINT, 1.50Cel, RECTANGULAR, SURFACE MOUNT

19-3007; Rev 1; 2/11
Low-Cost, 2.7V to 5.5V, Analog Temperature
Sensor Switches in a SOT23
General Description
The MAX6516–MAX6519 low-cost, fully integrated tem-
perature switches assert a logic signal when their die
temperature crosses a factory-programmed threshold.
Operating from a 2.7V to 5.5V supply, these devices
feature a fixed voltage reference, an analog tempera-
ture sensor, and a comparator. They are available with
factory-trimmed temperature trip thresholds from -45°C
to +115°C in 10°C increments, and are accurate to
±0.5°C (typ). These devices require no external compo-
nents and typically consume 22µA of supply current.
Hysteresis is pin selectable at 2°C or 10°C.
The MAX6516–MAX6519 are offered with hot-tempera-
ture thresholds (+35°C to +115°C), asserting when the
temperature is above the threshold, or with cold-tem-
perature thresholds (-45°C to +15°C), asserting when
the temperature is below the threshold.
These devices provide an analog output proportional to
temperature and are stable with any capacitive load up
to 1000pF. The MAX6516–MAX6519 can be used over a
range of -35°C to +125°C with a supply voltage of 2.7V
to 5.5V. For applications sensing temperature down to
-45°C, a supply voltage above 4.5V is required.
The MAX6516 and MAX6518 have an active-high,
push-pull output. The MAX6517 and MAX6519 have an
active-low, open-drain output. These devices are avail-
able in a space-saving 5-pin SOT23 package and oper-
ate over the -55°C to +125°C temperature range.
Features
High Accuracy ±1.5°C (max) Over -15°C to +65°C
Temperature Range
Low Power Consumption—22µA Typical Current
Factory-Programmed Thresholds from -45°C to
+115°C in 10°C Increments
Analog Output to Allow Board-Level Testing
Open-Drain or Push-Pull Outputs
Pin-Selectable 2°C or 10°C Hysteresis
MAX6516–MAX6519
Ordering Information
PART
MAX6516UK_
_ _ _+T
MAX6517UK_
_ _ _+T
MAX6518UK_
_ _ _+T
MAX6519UK_
_ _ _+T
TEMP RANGE
-55°C to +125°C
-55°C to +125°C
-55°C to +125°C
-55°C to +125°C
PIN-PACKAGE
5 SOT23
5 SOT23
5 SOT23
5 SOT23
Note:
These parts are offered in 16 standard temperature ver-
sions with a minimum order of 2500 pieces. To complete the
suffix information, add P or N for positive or negative trip tem-
perature, and select an available trip point in degrees centi-
grade. For example, the MAX6516UKP065+T describes a
MAX6516 in a 5-pin SOT23 package with a +65°C threshold.
Contact the factory for pricing and availability.
+Denotes
a lead(Pb)-free/RoHS-compliant package.
T = Tape and reel.
Functional Diagram appears at end of data sheet.
Applications
Fan Control
Test Equipment
Temperature Control
Temperature Alarms
Over/Undertemperature
Protection
Notebook, Desktop PCs
RAID
Servers
Pin Configurations
TOP VIEW
(TOVER)
TOVER
(TUNDER)
TUNDER
OUT
1
5
OUT
1
5
GND
2
(MAX6516)
MAX6517
4
V
CC
GND
2
(MAX6516)
MAX6517
4
V
CC
Typical Operating Circuit
HYST
3
HYST
3
V
CC
100kΩ
V
CC
V
CC
0.1μF
TOVER
INT
MICROCONTROLLER
GND
2
HYST
1
5
(TOVER)
TOVER
HYST
1
5
(TUNDER)
TUNDER
SOT23
SOT23
MAX6517
OUT
GND
HYST
(MAX6518)
MAX6519
4
V
CC
GND
2
(MAX6518)
MAX6519
4
V
CC
ADC IN
GND
OUT
3
OUT
3
SOT23
SOT23
________________________________________________________________
Maxim Integrated Products
1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
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