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MAX6517UKP105+T PDF预览

MAX6517UKP105+T

更新时间: 2024-11-07 13:10:55
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美信 - MAXIM 开关传感器换能器温度传感器输出元件
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MAX6517UKP105+T 数据手册

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19-3007; Rev 1; 2/11  
Low-Cost, 2.7V to 5.5V, Analog Temperature  
Sensor Switches in a SOT23  
–MAX6519  
General Description  
Features  
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 ꢀtypꢁ. These devices reꢂuire no external compo-  
nents and typically consume 22µA of supply current.  
Hysteresis is pin selectable at 2°C or 10°C.  
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  
Ordering Information  
The MAX6516–MAX6519 are offered with hot-tempera-  
ture thresholds ꢀ+35°C to +115°Cꢁ, asserting when the  
temperature is above the threshold, or with cold-tem-  
perature thresholds ꢀ-45°C to +15°Cꢁ, asserting when  
the temperature is below the threshold.  
PART  
TEMP RANGE  
PIN-PACKAGE  
MAX6516UK_ _ _ _+T -55°C to +125°C 5 SOT23  
MAX6517UK_ _ _ _+T -55°C to +125°C 5 SOT23  
MAX6518UK_ _ _ _+T -55°C to +125°C 5 SOT23  
MAX6519UK_ _ _ _+T -55°C to +125°C 5 SOT23  
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 reꢂuired.  
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.  
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.  
+Denotes a leadꢀPbꢁ-free/RoHS-compliant package.  
T = Tape and reel.  
Functional Diagram appears at end of data sheet.  
Applications  
Fan Control  
Over/Undertemperature  
Protection  
Pin Configurations  
Test Eꢂuipment  
Temperature Control  
Temperature Alarms  
TOP VIEW  
Notebook, Desktop PCs  
RAID  
(TOVER)  
TOVER  
(TUNDER)  
TUNDER  
OUT  
GND  
HYST  
1
2
3
5
4
5
4
OUT  
GND  
HYST  
1
2
3
5
4
5
4
Servers  
(MAX6516)  
MAX6517  
(MAX6516)  
MAX6517  
Typical Operating Circuit  
V
V
CC  
CC  
V
CC  
SOT23  
SOT23  
100kΩ  
V
CC  
(TOVER)  
TOVER  
(TUNDER)  
TUNDER  
V
TOVER  
INT  
CC  
HYST  
GND  
OUT  
1
2
3
HYST  
GND  
OUT  
1
2
3
0.1μF  
MICROCONTROLLER  
(MAX6518)  
MAX6519  
(MAX6518)  
MAX6519  
MAX6517  
OUT  
ADC IN  
GND  
GND  
HYST  
V
V
CC  
CC  
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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