XC3101_15 Datasheet, PDF (1/13 Pages) Torex Semiconductor – Ultra Small Analog Output Temperature Sensor with Alarm Output Pin

XC3101 Series
Ultra Small Analog Output Temperature Sensor with Alarm Output Pin
ETR0902-004
˙GENERAL DESCRIPTION
The XC3101 series is a temperature sensor IC which features ultra small, low current consumption, and high-accurate
detection.
It can provide both analog and alarm outputs. The alarm output configures N-channel open-drain. The device consists of a
band-gap type temperature sensor, a voltage reference, a temperature setting tilt amplifier, a comparator, and various set
resistors.
Alarm temperature is internally set at 70ˆ.
When the temperature exceeds a set point, the alarm output is maintained as "Low".
When the temperature drops a pre-set hysteresis width from the set point, the alarm output is released to "High". The
hysteresis width is 5ˆ.
An analog voltage output is provided in a high-accuracy which is guaranteed in the operating temperature range of -40ˆ to
100ˆ. An external A/D can monitor the sensing temperature.
The operating input voltage range is 2.7 to 5.5V. The small consumption current of 3.5ЖA (TYP.) is ideally suited for
temperature detection for battery devices. The ultra small USPN-4 (1.2 x 0.9 x 0.4) package is available for the high-density
board mounting in mobile device applications as well as an industry standard package SSOT-24.
■APPLICATIONS
˔ç Base temperature monitoring on mobile devices
˔ç Internal temperature monitoring on small electronic device
˔ç Temperature monitoring (LCD, Module)
˔ç Temperature control for FAN
˙FEATURES
Operating Voltage Range
Analog Output Voltage
Analog Output Temp. Coefficient
Analog Output Temp. Range
Analog Temperature Accuracy
Alarm Temperature
Alarm Hysteresis
Alarm Output Configuration
Alarm Output Logic
Low Power Consumption
Packages
Environmentally Friendly
: 2.7V～5.5V
: 1.600V (TYP.) @25℃
2.365V (TYP.) @-40℃
0.717V (TYP.) @100℃
: -11.77mＶ/℃(TYP.)
: -40ˆʙ+100ˆç
: ±3.5℃
: 70℃±4.5℃
: 5℃ (TYP.)
: N-channel Open-Drain
: Active Low Alarm
: 3.5μA (TYP.) @25℃
: USPN-4, SSOT-24
: EU RoHS Compliant, Pb Free
˙TYPICAL APPLICATION CIRCUIT
Vpull-up
V_BAT
V_DD
V_DOUT
V_AOUT
C_IN
V_SS
R_PULL
Alarm Output
Analog Output
C_L
˙TYPICAL PERFORMANCE
CHARACTERISTICS
2500
XC3101AC70
V_DD=2.7V,I_AOUT=1uA
C_IN=0.1F(ceramic),C_L=0.1uF(ceramic)
2000
1500
1000
500
-50 -25 0 25 50 75 100 125
Ambient Temperature: Ta [℃]
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