G708 Datasheet, PDF (1/1 Pages) Global Mixed-mode Technology Inc – Resistor-Programmable SOT Temperature Switches

Global Mixed-mode Technology Inc.
G708
Resistor-Programmable SOT Temperature Switches
Features
„ ±0.5°C Typical Threshold Accuracy
„ ±3.5°C (max) Threshold Accuracy(0°C to +125°C)
„ ±3°C Threshold Accuracy(60°C to +100°C)
„ Temperature Threshold Set by a 1% External
Resistor
„ Low 33µA Supply Current
„ Open-Drain Active Low Output Stage
„ Guaranteed Reset Valid to V_CC = 0.8V
„ Pin-Selectable 10°C or 30°C Hysteresis
„ SOT-23-5 and TDFN2X2-8 Packages
Applications
„ µP Temperature Monitoring in High-Speed
„ Computers
„ Temperature Control
„ Temperature Alarms
„ Fan Control
„ Automotive
General Description
The G708 are fully integrated, resistor programmable
temperature switches with thresholds set by an exter-
nal resistor. They require only one external resistor to
set the temperature threshold within a wide 0°C to
+125°C temperature range. The G708 provides an
open-drain, active low output. These switches operate
with a +2.7V to +5.5V single supply while providing a
temperature threshold accuracy of ±0.5°C (TYP) or
±3.5°C (MAX) or ±3°C (60°C to +100°C). They typi-
cally consume 33µA supply current. Hysteresis is pin
selectable to 10°C or 30°C. The G708 are available in
5-pin SOT-23 and TDFN2X2-8 packages.
Ordering Information
ORDER
NUMBER
G708T1U
G708RCU
Note:T1 : SOT-23-5 RC: TDFN2X2-8
U : Tape & Reel
is 2.63V
Pin Configuration
MARKING
708xx
708
TEMP.
RANGE
-40°C~+125°C
-40°C~+125°C
PACKAGE
(Green)
SOT-23-5
TDFN2X2-8
Typical Application Circuit
SET 1
G708
GND 2
OT ³
SOT-23-5
5 VCC
VCC 1
HYST 2
OT 3
4 HYST ^{GND 4}
G708
Thermal
Pad
8 NC
7 NC
6 NC
5 SET
TDFN2X2-8
Note 1:Thermal Pad is NC
Note 2:Connect Thermal Pad and pin 6,7,8
to heat source by PCB copper for
good heat conduction.
0.1µF
150Ω
VCC
OT
G708
SET
R_SET
GND HYST
2.7V to 5.5V
470kΩ
VCC
µP
GND
Ver: 1.6
Aug 30, 2010
TEL: [phone]
http://www.gmt.com.tw
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