This IC is a a temperature switch IC that senses the IC ambient temperature and switches the IC output from
the Low to the High level when there is a detected temperature.
With the hysteresis circuit,IC output level keeps High until the ambient temperature falls to hysteresis
temperature after detection.
The detection temperature can be selected in the range of 60°C TDET 90°C at 1.0°C steps using rank
expansion,with detection temperature accuracy of ±2.0°C.
Features
1. Low current consumption (Typ. 1.5µA)
2. With enable function pin
3. Low operating power supply voltage (Operating voltage 1.6~5.0V)
Package
SSON-6J
Applications
1.
2.
3.
4.
Mobile phone
Video games
Laptops
System temperature monitoring. etc.
• 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 Enable MM3588
Model Name
M
M
3
5
8
8
1
1
Hysteresis Temperature (T
HYS
)
A
T
HYS
=5.0°C
B
T
HYS
=10°C
C
T
HYS
=15°C
3
Package
SSON-6J
2
R
3
R
4
E
2
Detecitng Temperature (T
DET
)
60
T
DET
=60°C
T
DET
is 1.0°C steps
90
T
DET
=90°C
~
R
L
4
Packing Specifications
R HOUSING (Standard)
L HOUSING
R
Block Diagram
V
DD
CE
Reference
Voltage Source
Noise Rejection
Circuit
Temperature
Sensor
TEST
Logic
Circuit
DET
GND
Pin Assignment
6
5
4
1
2
3
4
5
6
Exposed Die Pad 1
TEST
GND
CE
DET
N.C.
V
DD
1
2
SSON-6J
(TOP VIEW)
3
1 : The tab on the center of the bottom face is connected to the IC substrate inside the package.
To use the device, it should be shorted to GND or OPEN.
• 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 Enable MM3588
Pin Description
Pin No.
Pin Name
Function
Internal Equivalent Circuit
1
1
TEST
2
Testing pin
GND
2
GND
Ground pin
ON/OFF-CONTROL PIN
VDD
3
CE
3
CE
L
H
DET
OFF
ON
High Inpedance
Standard Mode
3
GND
4
4
DET
Temp. Detect Output Pin
GND
5
6
N.C.
VDD
NO CONNECTION
Power supply pin
2 : 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.
3 : If any inputs are left open, since the input potential is undefined, the output logic level will be undefined,
creating an unstable operating state. Connect CE pin with VDD pin, when it is not used.
Absolute Maximum Ratings
Item
Supply voltage
DET output voltage
CE input voltage
Junction temperature
Storage temperature
Power dissipation
Symbol
VDD
max
VDET
max
VCE
max
T
jMAX
T
stg
Pd
Ratings
−0.3~6.0
−0.3~6.0
−0.3~6.0
150
−55~150
250
Units
V
V
V
°C
°C
mW
Recommended Operating Conditions
Item
Operating ambient temperature
Operating voltage
Symbol
Topr
V
DD
Ratings
−30~125
1.6~5.0
Units
°C
V
• 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 Enable MM3588
Electrical Characteristics
Item
Operating supply voltage
Detecting temperature accuracy 5
Hysteresis temperature 6
(Except where noted otherwise Ta=25°C)
Measurement conditions
TDET=60~90°C
VDD=1.8V
THYS=5.0°C
THYS=10°C
THYS=15°C
CE=VDD, Ta=+25°C
CE=GND, Ta=+25°C
VDET=0.4V
VDET=5.0V
VCE=H Level
VCE=H Level
VCE=L Level
Ta=60~90°C
RPULL-UP=1MΩ
1.4
0
250
100
4
12
0.1
0.1
VDD+0.3
0.2
200
500
500
Min. Typ. Max. Units
1.6
−2.0
2.5
7
10.5
5.0
10
15.0
1.5
1.8
5.0
2.0
7.5
13
19.5
2.0
0.1
µA
µA
mA
µA
µA
V
V
µs
µs
µs
B
C
D
E
F
G
G
H
A
I
°C
A
V
°C
A
4
Symbol
V
DD
T
DETAC
T
HYS
Supply current
DET sink current
DET leak current
CE input current
CE high threshold voltage
CE low threshold voltage
CE response time
Noise rejection time
VDD start-up response time
I
DD
I
DETL
I
LEAK
I
CE
V
CEH
V
CEL
t
CER
t
noise
t
VSR
4 : The test circuit symbols.
5 : Detection temperature can be selected in 1.0°C steps (60~90°C).
6 : Hysteresis temperature can be selected in 5.0°C steps (5.0°C, 10°C, 15°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 Enable MM3588
Measuring Circuit
A. Detecting Temperature
B. Supply Current
I
DD
A
VDD
1.8V
0.1µF
1.8V
CE
DET
MM3588
TEST
GND
VDD
1.8V
5.0V
V
T
DET
: L H
T
HYS
: H L
1.8V
0.1µF
CE
DET
MM3588
TEST
GND
1M
1M
5.0V
L : State of DET output Low level
H : State of DET output High level
Ta = 40 100°C
C. Supply Current (VCE=GND)
I
DD
A
VDD
1.8V
0.1µF
0V
CE
DET
MM3588
TEST
GND
D. DET Sink Current
1M
1.8V
5.0V
1.8V
0.1µF
CE
VDD
DET
MM3588
TEST
GND
I
DETL
A
5.0V
E. DET Leak Current
F. CE Pin Current
VDD
1.8V
0.1µF
0V
CE
DET
MM3588
TEST
GND
I
LEAK
A
1.8V
5.0V
1.8V
0.1µF
I
CE
A
VDD
CE
DET
MM3588
TEST
GND
1M
5.0V
G. CE Threshold Voltage
H. CE Response Time
VDD
1.8V
0.1µF
CE
DET
MM3588
TEST
GND
1M
1.8V
5.0V
V
0
1.8V
0.1µF
CE
VDD
DET
MM3588
TEST
GND
V
1M
5.0V
V
DET
: L
H
I. VDD Start-up Response Time
VDD
0
1.8V
CE
DET
MM3588
TEST
GND
1M
5.0V
V
V
DET
: H
L
1.8V
• 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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