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PDF MAX6504 Data sheet ( Hoja de datos )
| Número de pieza | MAX6504 | |
| Descripción | Low-Cost / +2.7V to +5.5V / Micropower Temperature Switches in SOT23 and TO-220 | |
| Fabricantes | Maxim Integrated | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de MAX6504 (archivo pdf) en la parte inferior de esta página. Total 8 Páginas | ||
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19-1280; Rev 2; 11/99
Low-Cost, +2.7V to +5.5V, Micropower
Temperature Switches in SOT23 and TO-220
________________General Description
The MAX6501–MAX6504 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 two on-chip, temperature-dependent voltage
references 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) or ±6°C (max). These devices require no
external components and typically consume 30µA sup-
ply current. Hysteresis is pin-selectable at +2°C or
+10°C.
The MAX6501/MAX6503 have an active-low, open-drain
output intended to interface with a microprocessor (µP)
reset input. The MAX6502/MAX6504 have an active-
high, push-pull output intended to directly drive fan-
control logic. The MAX6501/MAX6502 are offered with
hot-temperature thresholds (+35°C to +115°C), assert-
ing when the temperature is above the threshold. The
MAX6503/MAX6504 are offered with cold-temperature
thresholds (-45°C to +15°C), asserting when the tem-
perature is below the threshold.
The MAX6501–MAX6504 are offered in eight standard
temperature versions; contact the factory for pricing
and availability of nonstandard temperature versions.
They are available in 5-pin SOT23 and 7-pin TO-220
packages.
Typical Operating Circuit
+2.7V TO +5.5V
VCC
MAX6502
TOVER
GND GND HYST
VCC
µP
INT
GND
Selector Guide and Pin Configurations appear at end of
data sheet.
____________________________Features
o ±0.5°C (typical) Threshold Accuracy Over
Full Temperature Range
o No External Components Required
o Low Cost
o 30µA Supply Current
o Factory-Programmed Thresholds from
-45°C to +115°C in 10°C Increments
o Open-Drain Output (MAX6501/MAX6503)
Push-Pull Output (MAX6502/MAX6504)
o Pin-Selectable +2°C or +10°C Hysteresis
o SOT23-5 and TO220-7 Packages
Ordering Information
PART*
TEMP. RANGE PIN-PACKAGE
MAX6501UK_ _ _ _-T -55°C to +125°C 5 SOT23-5
MAX6501CM_ _ _ _-T -55°C to +125°C 7 TO-220-7
MAX6502UK_ _ _ _-T -55°C to +125°C 5 SOT23-5
MAX6502CM_ _ _ _-T -55°C to +125°C 7 TO-220-7
MAX6503UK_ _ _ _-T -55°C to +125°C 5 SOT23-5
MAX6503CM_ _ _ _-T -55°C to +125°C 7 TO-220-7
MAX6504UK_ _ _ _-T -55°C to +125°C 5 SOT23-5
MAX6504CM_ _ _ _-T -55°C to +125°C 7 TO-220-7
*These parts are offered in eight standard temperature versions
with a minimum order of 2,500 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 MAX6501UKP065-T describes a MAX6501 in a
SOT23-5 package with a +65°C threshold. Contact the factory for
pricing and availability of nonstandard temperature versions (mini-
mum order 10,000 pieces).
________________________Applications
µP Temperature Monitoring in High-Speed
Computers
Temperature Control
Temperature Alarms
Fan Control
†Patents Pending
________________________________________________________________ Maxim Integrated Products 1
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.
1 page  
Low-Cost, +2.7V to +5.5V, Micropower
Temperature Switches in SOT23 and TO-220
POSITIVE
TEMPCO
REFERENCE
NEGATIVE
TEMPCO
REFERENCE
HYST
NETWORK
MAX6501
POSITIVE
TEMPCO
REFERENCE
NEGATIVE
TEMPCO
REFERENCE
HYST
NETWORK
MAX6502
POSITIVE
TEMPCO
REFERENCE
NEGATIVE
TEMPCO
REFERENCE
HYST
NETWORK
MAX6503
POSITIVE
TEMPCO
REFERENCE
NEGATIVE
TEMPCO
REFERENCE
HYST
NETWORK
MAX6504
Figure 1. Block and Functional Diagrams
TOVER
V
TOVER
MAX6501
WITH 100kΩ PULL-UP
HYST
COLD +25°C
TEMP
TTH HOT
TOVER
V
TOVER
MAX6502
HYST
COLD +25°C
TEMP
TTH HOT
TUNDER
V
TUNDER
MAX6503
WITH 100kΩ PULL-UP
HYST
COLD TTH
+25°C
TEMP
HOT
TUNDER
V
TUNDER
MAX6504
HYST
COLD TTH
+25°C
TEMP
HOT
_______________________________________________________________________________________ 5
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet MAX6504.PDF ] | |
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