Temperature Controlled Voltage Regulators


■ General Description
The XC31P series is a group of temperature sensitive, positive voltage output, three-pin regulators, that provide voltage in response to sensed ambient temperatures. This function is very useful for correcting temperature characteristics of LCD devices etc. It can also be used as a temperature sensor.
The XC31P consists of a temperature sensor, a voltage correction circuit, a high-precision voltage reference source, an error correction circuit, and a current limited output driver.
Laser trimming increases output voltage accuracy and provides output stability against the variations in input voltage and output current. CMOS production technology reduces power consumption.
SOT-23 (150mW) and SOT-89 (500mW) packages are available.

■ Features
  Set-up output voltage range         : 1.5V ~ 5.5V in 0.1V increments.
  Highly accurate                          : Set-up voltage ±5%
  Output voltage temperature coefficients : Typ. -3000ppm/°C
  Detectable temperature range            : -20°C ~ 60°C
  Maximum output current                  : 50mA (within maximum power dissipation)
  Low power consumption                   : Typ. 1.0µA at VOUT= 1.54V
  Maximum input voltage                   : Max. 7V (max)
  Ultra small package      : SOT-23 (150mW) mini-mold
                                  : SOT-89 (500mW) power mini-mold
■ Applications
● Temperature compensation power supply
● Battery-powered equipment
● LCD based systems
● Cameras, Video Recorders, and OA systems




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