S-5844A Series
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www.ablicinc.com
© ABLIC Inc., 2011-2014
TEMPERATURE SWITCH IC (THERMOSTAT IC)
Rev.2.6
_02
The S-5844A Series is a temperature switch IC (thermostat IC) which detects the temperature with a temperature accuracy of
2.5C.
The output inverts when temperature reaches the detection temperature. The S-5844A Series restores the output
voltage when the temperature drops to the level of release temperature.
The S-5844A Series operates at the lower power supply voltage of 1.65 V and its current consumption is 0.18
A
typ. due to
CMOS configuration.
A temperature sensor with the negative temperature coefficient, a reference voltage generation circuit and a comparator are
integrated on one chip, and enclosed into the packages SOT-23-5 and SNT-4A, and the super-small package HSNT-4 (1010).
Features
Detection temperature:
T
DET
=
50°C
to
100°C, 5C
step, detection accuracy:
2.5C
Low voltage operation:
V
DD
= 1.65 V min.
Low current consumption:
I
DD
= 0.18
A
typ. (Ta =
25C)
Hysteresis temperature:
selectable in 5C, 10C, 15C or 20C
Selectable output logic in active "H" or active "L"
Selectable output form in CMOS or Nch open-drain
Operation temperature range:
Ta =
40°C
to
125°C
Lead-free (Sn 100%), halogen-free
Applications
Fan control
Air conditioning system
Mobile phone
Game console
Various electronic devices
Packages
SOT-23-5
SNT-4A
HSNT-4 (1010)
1
TEMPERATURE SWITCH IC (THERMOSTAT IC)
S-5844A Series
Block Diagrams
1. CMOS output product
VDD
Rev.2.6
_02
Temperature
sensor
+
−
Reference voltage
generation circuit
Logic circuit
(selectable)
DET
TEST
VSS
Figure 1
2. Nch open-drain output product
VDD
Temperature
sensor
+
−
Reference voltage
generation circuit
Logic circuit
(selectable)
DET
TEST
VSS
Figure 2
2
Rev.2.6
_02
Product Name Structure
TEMPERATURE SWITCH IC (THERMOSTAT IC)
S-5844A Series
Users are able to select the detection temperature, output form and logic, hysteresis temperature, and package for the
S-5844A Series.
1. Product name
S-5844A xx
x
x
-
xxxx
U
3
Environmental code
U:
Lead-free (Sn 100%), halogen-free
Package abbreviation and IC packing specifications
*1
M5T1: SOT-23-5, Tape
I4T1: SNT-4A, Tape
A4T2: HSNT-4 (1010), Tape
Hysteresis temperature
*2
A:
5°C
B:
10°C
C:
15°C
D:
20°C
Output form and output logic
*3
A:
CMOS output, active "H"
B:
CMOS output, active "L"
C:
Nch open-drain output, active "H"
D:
Nch open-drain output, active "L"
Detection temperature
*4
50 to 95, A0
(When detection temperature is
80°C,
it is expressed as 80.
When detection temperature is
100°C,
it is expressed as A0.)
*1.
*2.
*3.
*4.
Refer to the tape drawing.
The hysteresis temperature is selectable in 5C, 10C, 15C, or 20C.
However, if the detection temperature is
50C,
select the hysteresis temperature in 5C or 10C.
For the DET pin output, selectable the output logic active "H" or active "L".
For the DET pin output, selectable the output form CMOS or Nch open-drain.
Detection temperature (T
DET
) is settable in
50C
to
100C,
in
5C
step.
2. Packages
Table 1
Package Name
SOT-23-5
SNT-4A
HSNT-4 (1010)
Dimension
MP005-A-P-SD
PF004-A-P-SD
PL004-A-P-SD
Package Drawing Codes
Tape
MP005-A-C-SD
PF004-A-C-SD
PL004-A-C-SD
Reel
MP005-A-R-SD
PF004-A-R-SD
PL004-A-R-SD
Land
PF004-A-L-SD
PL004-A-L-SD
3
TEMPERATURE SWITCH IC (THERMOSTAT IC)
S-5844A Series
3. Product name list
3. 1
SOT-23-5
Table 2
Product Name
Detection
Temperature
(T
DET
)
DET Pin Output Form
DET Pin Output Logic
Rev.2.6
_02
Hysteresis
Temperature
(T
HYS
)
10°C
10°C
15°C
20°C
10°C
10°C
15°C
20°C
10°C
10°C
15°C
20°C
5°C
10°C
10°C
15°C
20°C
10°C
10°C
15°C
20°C
10°C
10°C
15°C
20°C
10°C
10°C
15°C
20°C
10°C
10°C
15°C
20°C
10°C
10°C
15°C
20°C
10°C
S-5844A50DB-M5T1U3
50°C
Nch open-drain
Active "L"
S-5844A55CB-M5T1U3
55°C
Nch open-drain
Active "H"
S-5844A55CC-M5T1U3
55°C
Nch open-drain
Active "H"
S-5844A55CD-M5T1U3
55°C
Nch open-drain
Active "H"
S-5844A55DB-M5T1U3
55°C
Nch open-drain
Active "L"
S-5844A60CB-M5T1U3
60°C
Nch open-drain
Active "H"
S-5844A60CC-M5T1U3
60°C
Nch open-drain
Active "H"
S-5844A60CD-M5T1U3
60°C
Nch open-drain
Active "H"
S-5844A60DB-M5T1U3
60°C
Nch open-drain
Active "L"
S-5844A65CB-M5T1U3
65°C
Nch open-drain
Active "H"
S-5844A65CC-M5T1U3
65°C
Nch open-drain
Active "H"
S-5844A65CD-M5T1U3
65°C
Nch open-drain
Active "H"
S-5844A65DA-M5T1U3
65°C
Nch open-drain
Active "L"
S-5844A65DB-M5T1U3
65°C
Nch open-drain
Active "L"
S-5844A70CB-M5T1U3
70°C
Nch open-drain
Active "H"
S-5844A70CC-M5T1U3
70°C
Nch open-drain
Active "H"
S-5844A70CD-M5T1U3
70°C
Nch open-drain
Active "H"
S-5844A70DB-M5T1U3
70°C
Nch open-drain
Active "L"
S-5844A75CB-M5T1U3
75°C
Nch open-drain
Active "H"
S-5844A75CC-M5T1U3
75°C
Nch open-drain
Active "H"
S-5844A75CD-M5T1U3
75°C
Nch open-drain
Active "H"
S-5844A75DB-M5T1U3
75°C
Nch open-drain
Active "L"
S-5844A80CB-M5T1U3
80°C
Nch open-drain
Active "H"
S-5844A80CC-M5T1U3
80°C
Nch open-drain
Active "H"
S-5844A80CD-M5T1U3
80°C
Nch open-drain
Active "H"
S-5844A80DB-M5T1U3
80°C
Nch open-drain
Active "L"
S-5844A85CB-M5T1U3
85°C
Nch open-drain
Active "H"
S-5844A85CC-M5T1U3
85°C
Nch open-drain
Active "H"
S-5844A85CD-M5T1U3
85°C
Nch open-drain
Active "H"
S-5844A85DB-M5T1U3
85°C
Nch open-drain
Active "L"
S-5844A90CB-M5T1U3
90°C
Nch open-drain
Active "H"
S-5844A90CC-M5T1U3
90°C
Nch open-drain
Active "H"
S-5844A90CD-M5T1U3
90°C
Nch open-drain
Active "H"
S-5844A90DB-M5T1U3
90°C
Nch open-drain
Active "L"
S-5844A95CB-M5T1U3
95°C
Nch open-drain
Active "H"
S-5844A95CC-M5T1U3
95°C
Nch open-drain
Active "H"
S-5844A95CD-M5T1U3
95°C
Nch open-drain
Active "H"
S-5844A95DB-M5T1U3
95°C
Nch open-drain
Active "L"
Remark
Please contact our sales office for products with specifications other than the above.
4
Rev.2.6
_02
3. 2
SNT-4A
TEMPERATURE SWITCH IC (THERMOSTAT IC)
S-5844A Series
Table 3
Product Name
Detection
Temperature
(T
DET
)
DET Pin Output Form
DET Pin Output Logic
Hysteresis
Temperature
(T
HYS
)
10°C
10°C
15°C
20°C
10°C
10°C
15°C
20°C
10°C
10°C
15°C
20°C
10°C
10°C
15°C
20°C
10°C
10°C
15°C
20°C
10°C
10°C
15°C
20°C
10°C
10°C
15°C
20°C
10°C
10°C
15°C
20°C
10°C
10°C
15°C
20°C
10°C
S-5844A50DB-I4T1U3
50°C
Nch open-drain
Active "L"
S-5844A55CB-I4T1U3
55°C
Nch open-drain
Active "H"
S-5844A55CC-I4T1U3
55°C
Nch open-drain
Active "H"
S-5844A55CD-I4T1U3
55°C
Nch open-drain
Active "H"
S-5844A55DB-I4T1U3
55°C
Nch open-drain
Active "L"
S-5844A60CB-I4T1U3
60°C
Nch open-drain
Active "H"
S-5844A60CC-I4T1U3
60°C
Nch open-drain
Active "H"
S-5844A60CD-I4T1U3
60°C
Nch open-drain
Active "H"
S-5844A60DB-I4T1U3
60°C
Nch open-drain
Active "L"
S-5844A65CB-I4T1U3
65°C
Nch open-drain
Active "H"
S-5844A65CC-I4T1U3
65°C
Nch open-drain
Active "H"
S-5844A65CD-I4T1U3
65°C
Nch open-drain
Active "H"
S-5844A65DB-I4T1U3
65°C
Nch open-drain
Active "L"
S-5844A70CB-I4T1U3
70°C
Nch open-drain
Active "H"
S-5844A70CC-I4T1U3
70°C
Nch open-drain
Active "H"
S-5844A70CD-I4T1U3
70°C
Nch open-drain
Active "H"
S-5844A70DB-I4T1U3
70°C
Nch open-drain
Active "L"
S-5844A75CB-I4T1U3
75°C
Nch open-drain
Active "H"
S-5844A75CC-I4T1U3
75°C
Nch open-drain
Active "H"
S-5844A75CD-I4T1U3
75°C
Nch open-drain
Active "H"
S-5844A75DB-I4T1U3
75°C
Nch open-drain
Active "L"
S-5844A80CB-I4T1U3
80°C
Nch open-drain
Active "H"
S-5844A80CC-I4T1U3
80°C
Nch open-drain
Active "H"
S-5844A80CD-I4T1U3
80°C
Nch open-drain
Active "H"
S-5844A80DB-I4T1U3
80°C
Nch open-drain
Active "L"
S-5844A85CB-I4T1U3
85°C
Nch open-drain
Active "H"
S-5844A85CC-I4T1U3
85°C
Nch open-drain
Active "H"
S-5844A85CD-I4T1U3
85°C
Nch open-drain
Active "H"
S-5844A85DB-I4T1U3
85°C
Nch open-drain
Active "L"
S-5844A90CB-I4T1U3
90°C
Nch open-drain
Active "H"
S-5844A90CC-I4T1U3
90°C
Nch open-drain
Active "H"
S-5844A90CD-I4T1U3
90°C
Nch open-drain
Active "H"
S-5844A90DB-I4T1U3
90°C
Nch open-drain
Active "L"
S-5844A95CB-I4T1U3
95°C
Nch open-drain
Active "H"
S-5844A95CC-I4T1U3
95°C
Nch open-drain
Active "H"
S-5844A95CD-I4T1U3
95°C
Nch open-drain
Active "H"
S-5844A95DB-I4T1U3
95°C
Nch open-drain
Active "L"
Remark
Please contact our sales office for products with specifications other than the above.
5
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