TL431AFDT,215 Nexperia

TL431 family Adjustable precision shunt regulators Rev. 6 9 January 2019 Product data sheet 1. Product profile 1.1. General description Three-terminal shunt regulator family with an output voltage range between V = 2.495 V and 36 V, to be set by two external resistors. ref Table 1. Product overview Reference voltage Temperature range (T ) Pinning configuration amb tolerance (V ) (see Table 5) ref 0 C to 70 C -40 C to 85 C -40 C to 125 C 2.0 % TL431CDBZR TL431IDBZR TL431QDBZR normal pinning TL431FDT normal pinning TL431MFDT mirrored pinning 1.0 % TL431ACDBZR TL431AIDBZR TL431AQDBZR normal pinning TL431AFDT normal pinning TL431AMFDT mirrored pinning 0.5 % TL431BCDBZR TL431BIDBZR TL431BQDBZR normal pinning TL431BFDT normal pinning TL431BMFDT mirrored pinning 1.2. Features and benefits Programmable output voltage up to 36 V Three different reference voltage tolerances: Standard grade: 2 % A-Grade: 1 % B-Grade: 0.5 % Typical temperature drift: 9 mV (in a range of 0 C up to 70 C) Low output noise Typical output impedance: 0.2 Sink current capability: 1 mA to 100 mA AEC-Q100 qualified (grade 1)Nexperia TL431 family Adjustable precision shunt regulators 1.3. Applications Shunt regulator Precision current limiter Precision constant current sink Isolated feedback loop for Switch Mode Power Supply (SMPS) 1.4. Quick reference data Table 2. Quick reference data Symbol Parameter Conditions Min Typ Max Unit V cathode-anode voltage V - 36 V KA ref I cathode current 1 - 100 mA K V reference voltage V = V I = 10 mA ref KA ref K T = 25 C amb 2440 2495 2550 mV Standard-Grade (2.0 %) 2470 2495 2520 mV A-Grade (1.0 %) 2483 2495 2507 mV B-Grade (0.5 %) 2. Pinning information Table 3. Pinning Pin Symbol Description Simplified outline Graphic symbol SOT23 normal pinning: All types without MFDT ending 1 K cathode 3 REF 2 REF reference A K 3 A anode 006aab355 1 2 SOT23 mirrored pinning: All types with MFDT ending 1 REF reference 3 REF 2 K cathode A K 3 A anode 006aab355 1 2 TL431 FAM All information provided in this document is subject to legal disclaimers. Nexperia B.V. 2019. All rights reserved Product data sheet Rev. 6 9 January 2019 2 / 19