This IC is a temperature switch IC that senses an ambient temperature around the IC and changes the IC
output level when the temperature around the IC reaches the detection temperature. With the hysteresis
function, IC output level returns to the state before detection when the ambient temperature returns to the
hysteresis temperature selected after detection. Detection temperature (T
DET
) can be selected in 1.0°C steps
within the range of -20 to +90°C, with detection temperature accuracy (T
DETAC1
) of ±2.0°C.
Features
1.
2.
3.
4.
Low current consumption
High Temperature accuracy
Comes with hysteresis function
Small package
Package
SSON-4B
Applications
1.
2.
3.
4.
5.
6.
Cellular phones
Flat Panel Displays
Game equipment
PCs
System thermal monitors
Office Automation equipment
• Any products mentioned in this catalog are subject to any modification in their appearance and others for improvements without prior notification.
• The details listed here are not a guarantee of the individual products at the time of ordering. When using the products, you will be asked to check their specifications.
MITSUMI
Temperature Switch IC with Hysteresis MM3496
Model Name
M
M
3
4
9
6
1
2
R
3
R
4
E
MM3496A
RRE, MM3496B
RRE, MM3496C
RRE
1
Hysteresis Temperature (T
HYS
) (Note1)
A
T
HYS
=+5.0°C
B
T
HYS
=+10°C
C
T
HYS
=+15°C
2
Detecitng Temperature (T
DET
) (Note1)
25
T
DET
=+25°C
T
DET
is +1.0°C steps
90
T
DET
=+90°C
~
MM3496D
RRE, MM3496E
RRE, MM3496F
RRE
1
Hysteresis Temperature (T
HYS
) (Note1)
D
T
HYS
= -5.0°C
E
T
HYS
= -10°C
F
T
HYS
= -15°C
2
Detecitng Temperature (T
DET
) (Note1)
00
T
DET
=+0.0°C
T
DET
is +1.0°C steps
24
T
DET
=+24°C
~
MM3496G
RRE, MM3496H
RRE, MM3496I
RRE
1
Hysteresis Temperature (T
HYS
) (Note1)
G
T
HYS
= -5.0°C
H
T
HYS
= -10°C
I
T
HYS
= -15°C
2
Detecitng Temperature (T
DET
) (Note1)
01
T
DET
= -1.0°C
T
DET
is -1.0°C steps
20
T
DET
= -20°C
~
R
L
R
3
Package
SSON-4B
4
Packing Specifications
R HOUSING (Standard)
L HOUSING
Note1 : Refer to [10. TIMING CHART] for the definition of the Hysteresis Temperature and the
Detecitng Temperature.
• Any products mentioned in this catalog are subject to any modification in their appearance and others for improvements without prior notification.
• The details listed here are not a guarantee of the individual products at the time of ordering. When using the products, you will be asked to check their specifications.
MITSUMI
Temperature Switch IC with Hysteresis MM3496
Block Diagram
V
DD
Reference
Voltage Source
DET
Noise Rejection
Circuit
Temperature
Sensor
GND
Pin Assignment
4
3
1
2
3
4
DET
GND
NC
V
DD
1
2
SSON-4B
(TOP VIEW)
• Any products mentioned in this catalog are subject to any modification in their appearance and others for improvements without prior notification.
• The details listed here are not a guarantee of the individual products at the time of ordering. When using the products, you will be asked to check their specifications.
MITSUMI
Temperature Switch IC with Hysteresis MM3496
Pin Description
Pin No.
Pin Name
Function
Internal Equivalent Circuit
1
1
DET
Temp. Detect Output Pin
GND
2
GND
Ground pin
3
3
NC (Note2)
NC (Testing pin)
GND
4
V
DD
Power supply pin
Note2 : Testing pin is connected with the internal circuit for testing.
When resistance and capacity are connected with Testing pin, this product produce improper operating
signals. Please set Testing pin to the open state.
Absolute Maximum Ratings
Item
Maximum Supply Voltage
Terminal Voltage
Storage Temperature
Power Dissipation
Symbol
V
DDmax
DET
max
T
stg
Pd
Ratings
−0.3~+6.0
−0.3~+6.0
−55~+150
150
Units
V
V
°C
mW
Recommended Operating Conditions
Item
Operating Supply Voltage
Operating Temperature
Symbol
V
DDopr
T
opr
Ratings
2.2~5.0
−30~+125
Units
V
°C
• Any products mentioned in this catalog are subject to any modification in their appearance and others for improvements without prior notification.
• The details listed here are not a guarantee of the individual products at the time of ordering. When using the products, you will be asked to check their specifications.
MITSUMI
Temperature Switch IC with Hysteresis MM3496
Electrical Characteristics
Item
Detecitng Temperature
Accuracy (Note3)
Hysteresis Temperature
(Note4)
(Except where noted otherwise Ta=25°C, V
DD
=2.8V)
Measurement conditions
Min. Typ. Max. Units
−2.0
T
HYS
=5.0°C
0
5.0
10.0
15.0
4.0
12.0
0.1
1.5
Ta=60~90°C
R
PULL-UP
= 1MΩ
250
100
3.5
500
500
+2.0
°C
°C
°C
°C
mA
µA
µA
µs
µs
Symbol
T
DETAC1
T
HYS
T
HYS
=10°C
T
HYS
=15°C
V
DET
=0.4V
V
DET
=Low Level
V
DD
=5.0V
V
DET
=High Level
DET Sink Current
DET Leak Current
Supply Current
Noise Rejection Time
V
DD
Start-up Response
I
DETL
I
LEAK
I
DD
t
noise
t
vsr
Note3 : Detection temperature can be selected in 1.0°C steps
Note4 : Hysteresis temperature can be selected in 5.0°C steps
• Any products mentioned in this catalog are subject to any modification in their appearance and others for improvements without prior notification.
• The details listed here are not a guarantee of the individual products at the time of ordering. When using the products, you will be asked to check their specifications.
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