TL1431CD Part Information

Details for TL1431CD by STMicroelectronics

Electronic & Electrical Components > Semiconductors - ICs > Power Management

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Part Specifications

Voltage Reference Type Shunt - Adjustable
Product Range TL1431 Series
Reference Voltage 2.5V to 36V
Initial Accuracy 0.4%
Temperature Coefficient ± 13ppm/°C
Voltage Reference Case Style SOIC
No. of Pins 8Pins
Operating Temperature Min -20°C
Operating Temperature Max 70°C
Automotive Qualification Standard -
RoHS Phthalates Compliant To Be Advised
MSL -
SVHC No SVHC (17-Dec-2015)
Base Number 1431
Input Voltage 2.5V to 36V
Input Voltage Max 36V
Input Voltage Min 2.5V
Operating Temperature Range -20°C to +70°C
Reference Volt Tolerance ±% 0.4%
Reference Voltage Tolerance 10mV
Reference Volts 2.5V
Termination Type Surface Mount Device
Topology Shunt Programmable
RoHS Compliant

Details for TL1431CD by Texas Instruments

Electronic & Electrical Components > Semiconductors - ICs > Power Management

Part Description

The TL1431 device is a precision programmable reference with specified thermal stability over automotive, commercial, and military temperature ranges. The output voltage can be set to any value between VI(ref) (approximately 2.5 V) and 36 V with two external resistors (see Figure 25). This device has a typical output impedance of 0.2 Ω. Active output circuitry provides a sharp turnon characteristic, making the device an excellent replacement for Zener diodes and other types of references in applications such as onboard regulation, adjustable power supplies, and switching power supplies. The TL1431C is characterized for operation over the commercial temperature range of 0°C to 70°C. The TL1431Q is characterized for operation over the full automotive temperature range of –40°C to 125°C. The TL1431M is characterized for operation over the full military temperature range of –55°C to 125°C.

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Part Features

  • 0.2-u03a9 Typical Output Impedance
  • 0.4% Initial Voltage Tolerance
  • Adjustable Output Voltage (VI(ref) to 36 V)
  • Fast Turnon (500 ns)
  • Low Reference Current (REF)
  • Sink Current Capability (1 mA to 100 mA)

Part Specifications

Voltage Reference Type Shunt - Adjustable
Product Range TL1431 Series
Reference Voltage 2.5V to 36V
Initial Accuracy 0.4%
Temperature Coefficient ± 23ppm/°C
Voltage Reference Case Style SOIC
No. of Pins 8Pins
Operating Temperature Min 0°C
Operating Temperature Max 70°C
Automotive Qualification Standard -
MSL MSL 1 - Unlimited
SVHC No SVHC (27-Jun-2018)
Base Number 1431
Current If @ Vf 100mA
IC Generic Number 1431
Input Voltage 2.5V to 36V
Input Voltage Max 36V
Input Voltage Min 2.5V
Logic Function Number 1431
Operating Temperature Range 0°C to +70°C
Reference Volt Tolerance ±% 0.4%
Reference Voltage Tolerance 20mV
Reference Volts 2.5V
Temperature Coeff. + 23ppm/°C
Tolerance 0.4%
Topology Shunt Programmable
RoHS Compliant

Alternative Part Descriptions

  • TL1431 adj voltage reference, SOIC8 | RS Components
  • Precision adjustable (programmable) shunt reference | Texas Instruments

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