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MAX6518UK

更新时间: 2024-11-06 22:09:19
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美信 - MAXIM 开关传感器温度传感器
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10页 212K
描述
Low-Cost, 2.7V to 5.5V, Analog Temperature Sensor Switches in a SOT23

MAX6518UK 数据手册

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19-3007; Rev 0; 11/03  
Low-Cost, 2.7V to 5.5V, Analog Temperature  
Sensor Switches in a SOT23  
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.  
o High Accuracy ±±1.5° ꢀ(aꢁx ꢂOvr ꢃ±.5° ꢄt ꢅ+.5°  
Tv(pvraꢄurv Rangv  
o Ltw Ptwvr °tnsu(pꢄitn—22µA Typical °urrvnꢄ  
o FacꢄtryꢃPrtgra((vd Thrvshtlds frt( ꢃ4.5° ꢄt  
ꢅ±±.5° in ±05° Incrv(vnꢄs  
o Analtg ꢂuꢄpuꢄ ꢄt Alltw BtardꢃLvOvl Tvsꢄing  
o ꢂpvnꢃDrain tr PushꢃPull ꢂuꢄpuꢄs  
o PinꢃSvlvcꢄablv 25° tr ±05° Hysꢄvrvsis  
o Ltw °tsꢄ  
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.  
Ordering Information  
PART  
TEMP RANGE  
PIN-PACKAGE  
MAX6516UK_ _ _ _-T  
MAX6517UK_ _ _ _-T  
MAX6518UK_ _ _ _-T  
MAX6519UK_ _ _ _-T  
-55°C to +125°C 5 SOT23-5  
-55°C to +125°C 5 SOT23-5  
-55°C to +125°C 5 SOT23-5  
-55°C to +125°C 5 SOT23-5  
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.  
*These parts are offered in 16 standard temperature versions  
with a minimum order of 2500 pieces. To complete the suffix  
information, add P or N for positive or negative trip temperature,  
and select an available trip point in degrees centigrade. For  
example, the MAX6516UKP065-T describes a MAX6516 in a  
5-pin SOT23 package with a +65°C threshold. Contact the facto-  
ry 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.  
Functional Diagram appears at end of data sheet.  
Applications  
Over/Undertemperature  
Protection  
Pin Configurations  
Fan Control  
TOP VIEW  
Test Equipment  
Temperature Control  
Temperature Alarms  
Notebook, Desktop PCs  
(TOVER)  
TOVER  
(TUNDER)  
TUNDER  
OUT  
GND  
HYST  
1
2
3
5
4
5
4
OUT  
GND  
HYST  
1
2
3
5
4
5
4
RAID  
(MAX6516)  
MAX6517  
(MAX6516)  
MAX6517  
Servers  
Typical Operating Circuit  
V
CC  
V
CC  
V
CC  
SOT23  
SOT23  
100k  
V
CC  
(TOVER)  
TOVER  
(TUNDER)  
TUNDER  
V
CC  
TOVER  
INT  
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
CC  
V
CC  
SOT23  
SOT23  
________________________________________________________________ Maxim Integrated Products  
±
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at  
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.  

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