Nexperia

TL431 Shunt Regulators

Nexperia's TL431 are the product of choice for precision shunt regulators

Image of NXP Semiconductor's TL431 Shunt RegulatorsAs part of Nexperia’s proven portfolio of precision shunt regulators, these adjustable voltage references are an ideal choice for power management and other applications. They use a reference voltage of 2.495 V, respectively 1.24 V, are housed in SOT23 and SOT753 packages, and are available in several versions, making it easy to find the right part for any design.

Designers can select from standard-grade devices with 2%, respectively 1.5% tolerance, as well as 1% A-Grade and 0.5% B-Grade, respectively 0.75% D-Grade (TLVH431) devices. The standard operating-temperature range is -40°C to 125°C. Other options include normal or mirrored pinning in the 3-pin SOT23 package option, and a choice of 0°C to 70°C, or -40°C to 85°C temperature ranges. In addition, for families active output circuitry provides a very sharp turn-on characteristic, allowing the devices to replace Zener diodes in applications such as on-board regulation, adjustable power supplies and switched-mode power supplies.

Features
  • Simple solution to achieve a stabilized voltage
  • Vmax up to 36 V (TL431)
  • Available with voltage accuracy down to 0.5%
  • Full temperature range from -40°C to 125°C
  • High quality level according to AEC-Q100 (grade1)
Applications
  • Precision voltage reference
  • Shunt voltage regulators
  • Precision current limiters
  • Precision constant current sinks
  • Isolated feedback loop for switch mode power supplies (SMPS)

TL431

ImageManufacturer Part NumberDescriptionAvailable QuantityPriceView Details
IC VREF SHUNT ADJ 1% TO236ABTL431AFDT,215IC VREF SHUNT ADJ 1% TO236AB0 - ImmediateSee Page for PricingView Details
IC VREF SHUNT ADJ 0.5% TO236ABTL431BFDT,215IC VREF SHUNT ADJ 0.5% TO236AB0 - ImmediateSee Page for PricingView Details
IC VREF SHUNT ADJ 1% TO236ABTL431AMFDT,215IC VREF SHUNT ADJ 1% TO236AB5439 - Immediate$0.34View Details
IC VREF SHUNT ADJ 0.5% TO236ABTL431BMFDT,215IC VREF SHUNT ADJ 0.5% TO236AB0 - ImmediateSee Page for PricingView Details
IC VREF SHUNT ADJ 2% TO236ABTL431QDBZR,215IC VREF SHUNT ADJ 2% TO236AB9674 - Immediate$0.30View Details
IC VREF SHUNT ADJ 2% TO236ABTL431IDBZR,215IC VREF SHUNT ADJ 2% TO236AB65 - Immediate$0.19View Details
IC VREF SHUNT ADJ 2% TO236ABTL431CDBZR,215IC VREF SHUNT ADJ 2% TO236AB226 - Immediate$0.19View Details
IC VREF SHUNT ADJ 0.5% TO236ABTL431BQDBZR,215IC VREF SHUNT ADJ 0.5% TO236AB0 - ImmediateSee Page for PricingView Details
IC VREF SHUNT ADJ 0.5% TO236ABTL431BIDBZR,215IC VREF SHUNT ADJ 0.5% TO236AB0 - ImmediateSee Page for PricingView Details
IC VREF SHUNT ADJ 0.5% TO236ABTL431BCDBZR,215IC VREF SHUNT ADJ 0.5% TO236AB0 - ImmediateSee Page for PricingView Details
IC VREF SHUNT ADJ 1% TO236ABTL431AQDBZR,215IC VREF SHUNT ADJ 1% TO236AB0 - ImmediateSee Page for PricingView Details
IC VREF SHUNT ADJ 1% TO236ABTL431AIDBZR,215IC VREF SHUNT ADJ 1% TO236AB2234 - Immediate$0.30View Details
IC VREF SHUNT ADJ 1% TO236ABTL431ACDBZR,215IC VREF SHUNT ADJ 1% TO236AB7827 - Immediate$0.18View Details
IC VREF SHUNT ADJ 2% TO236ABTL431FDT,215IC VREF SHUNT ADJ 2% TO236AB0 - ImmediateSee Page for PricingView Details
IC VREF SHUNT ADJ 2% TO236ABTL431MFDT,215IC VREF SHUNT ADJ 2% TO236AB0 - ImmediateSee Page for PricingView Details
Updated: 2017-08-08
Published: 2012-12-17

Related Product Highlight

ATL431LI High-Bandwidth, Low IQ Programmable Shunt Regulator Texas Instruments' ATL431LI shunt regulator can be an excellent Zener diode replacement in applications such as adjustable and switching power supplies.
INA186A-Q1 Automotive Current Sense Amp with Picoamp Bias Current Texas Instruments' INA186A-Q1 automotive, 40 V current sense amps can maintain accurate current measurements over a wide range of voltage rails.
THVD2410/50 ±70 V Fault-Protected RS-422/RS-485 Transceivers Texas Instruments' THVD2410/50 ±70 V, fault-protected RA-422/RS-485 transceivers with ICD ESD are ideal for applications such as factory automation.