AQ200
3ºC Accurate with Hysteresis
120ºC Thermostat
SOT23, TO-92, PSOT23-6, SC70 Packages
Product Specification
Revision 1.7
November 08, 2006
General Description
The AQ200 is a simple three terminal precision low
power thermostat. The temperature trip point of 120ºC
is preset at the factory. The thermal hysteresis is
internally
programmed
to
10ºC.
Contact
sales@acutechnology.com
for other trip points.
The AQ200 is used to protect systems from
overheating above the normal rating of components like
capacitors or any other temperature sensitive
component.
The output OT is an open drain output that can drain
up to 50mA when the threshold temperature is
reached. The minimum voltage of operation is 2V.
The AQ200 is offered in the thermally enhanced
PSOT23-6 in order to guarantee very low thermal
impedance between the heat source and the chip
itself.
For applications with stringent space requirements
ultra small SC70 package is offered.
For applications where the thermal resistance is not
critical the AQ200 can be used in the more common
packages SOT23-3 or TO92.
Applications
•
•
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•
•
•
•
•
•
•
•
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Electronic System protection
Fan Control
Microprocessor Thermal Management
HVAC Systems
Features
+/-3 degrees Celsius accuracy
Thermally enhanced SOT23-6 package
Open-drain output capable of 50mA
Internally programmed thermal hysteresis
Low input voltage and current
Excellent power supply noise rejection
Offered in ultra small SC70-5 package.
RoHS compliant
Block Diagram
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AQ200
Acutechnology Semiconductor Inc.
AQ200
Pin Configuration
Pin Descriptions
Pin Name
VCC
OT
GND
Function
V supply. Must be greater than 2V for normal operation.
Normally Open Drain, Vsat when thermal threshold is reached.
Ground and Substrate, connected to the back side of the die through lead
frame.
Ordering Information
Device
AQ200
AQ200
AQ200
AQ200
AQ200
Operating Tj
-55º C
≤
150º C
-55º C
≤
150º C
-55º C
≤
150º C
-55º C
≤
150º C
-55º C
≤
150º C
T
THRESH
120º C
120º C
120º C
120º C
120º C
Tolerance
±
3º C
±
3º C
±
3º C
±
3º C
PKG Type
TO-92-3
TO-92-3
SOT-23-3
PSOT-23-6
SC70-5
Wrap
Bulk
T&R
T&R
T&R
T&R
Ordering Number
AQ200GY-N3-12-BUL
AQ200GY-N3-12-TRL
AQ200GY-M3-12-TRL
AQ200GY-M7-12-TRL
AQ200GY-C5-12-TRL
±
3º C
Note:
The TRL parts are Lead Free and RoHS compliant.
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2
Rev. 1.7 November 08, 2006
Acutechnology Semiconductor Inc.
AQ200
Absolute Maximum Ratings
Stress greater than those listed under “Absolute Maximum Ratings” may cause permanent damage to the
device. These stress ratings only, and functional operation of the device at these or any conditions beyond
those indicated under recommended Operating Conditions is not implied. Exposure to “Absolute Maximum
Rating” for extended periods may affect device reliability. Use of standard ESD handling precautions is
required.
Parameter
V
IN
Voltage
V
OT
Voltage
I
OT
Current
Operating Junction Temperature
Lead Temperature (soldering 10 seconds)
Storage Temperature Range
Value
18
18
80
155
260
-65 to +150
Units
V
V
mA
ºC
ºC
ºC
Electrical Specifications
Electrical characteristics are guaranteed over the full temperature range -55ºC <Tj<150ºC unless otherwise
stated. Ambient temperature must be de-rated based upon power dissipation and package thermal
characteristics. Unless otherwise specified: Vin = 5V, Tj =25º C
Symbol
I
IN
I
IN
V
IN
V
OT
I
OT
T
OT
H
OT
Parameter
Input Current
Input Current
Input Voltage
Output Vdss
Output leakage current
Over temp accuracy
Hysteresis
Tj > trip temperature
-55ºC <Tj<150ºC
IC = 10mA Tj < 155º C
VC = 16V
-3
10
2
0.15
0.2
Conditions
Min
Typ
100
1.5
Max
150
2.0
16
0.25
0.4
3
Units
µA
mA
V
V
µA
ºC
ºC
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3
Rev. 1.7 November 08, 2006
Acutechnology Semiconductor Inc.
AQ200
Package Dimensions
SOT23-3, SOT23-4, SOT23-5, SOT23-6
www.acutechnology.com
4
Rev. 1.7 November 08, 2006
Acutechnology Semiconductor Inc.
AQ200
Package Dimensions
TO92-2, TO92-3
www.acutechnology.com
5
Rev. 1.7 November 08, 2006
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