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TLVH432BCDBZR from TI, Texas Instruments 218000pcs , SOT23-3,Low-Voltage Adjustable Precision Shunt Regulator
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TLVH432BCDBZR TI N/a 218000
Features 3 DescriptionThe TLVH431 and TLVH432 devices are low-voltage1• Low-Voltage Operation: Down to 1.24 V3-terminal adjustable voltage references, with• Reference Voltage Tolerances at 25°Cspecified thermal stability over applicable industrial– 0.5% for B Gradeand commercial temperature ranges. Output voltagecan be set to any value between V (1.24 V) and– 1% for A Grade REF18 V with two external resistors (see Figure 19).– 1.5% for Standard GradeThese devices operate from a lower voltage (1.24 V)• Adjustable Output Voltage, V = V to 18 VO REF than the widely used TL431 and TL1431 shunt-regulator references.• Wide Operating Cathode Current Range:100μA to 70 mAWhen used with an optocoupler, the TLVH431 and• 0.25-Ω Typical Output ImpedanceTLVH432 devices are ideal voltage references inisolated feedback circuits for 3-V to 3.3-V switching-• –40°C to +125°C Specificationsmode power supplies. They have a typical output• TLVH432 Provides Alternative Pinouts forimpedance of 0.25Ω. Active output circuitry providesSOT-23-3 and SOT-89 Packagesa very sharp turn-on characteristic, making the• Ultra-Small SC-70 Package Offers 40%TLVH431 and TLVH432 devices excellentSmaller Footprint than SOT-23-3 replacements for low-voltage Zener diodes in manyapplications, including on-board regulation andadjustable power supplies.2 ApplicationsThe TLVH432 device is identical to the TLVH431• Adjustable Voltage and Current Referencingdevice, but is offered with different pinouts for the• Secondary Side Regulation in Flyback SMPSs3-pin SOT-23 and SOT-89 packages.• Zener Replacement(1)• Voltage MonitoringDevice InformationPART NUMBER PACKAGE BODY SIZE (NOM)• Comparator with Integrated ReferenceTLVH43xxDBZ SOT-23 (5) 2.90 mm × 1.60 mmTLVH43xxDBZ SOT-23 (3) 2.92 mm × 1.30 mmTLVH43xxDCK SC70 (6) 2.00 mm × 1.25 mmTLVH43xxLP TO-92 (3) 4.30 mm × 4.30 mmTLVH43xxPK SOT-89 (3) 4.50 mm × 2.50 mm(1) For all available packages, see the orderable addendum atthe end of the data sheet.Simplified SchematicInput VOIKVREF1An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,intellectual property matters and other important disclaimers. PRODUCTION DATA.TLVH431,TLVH431A,TLVH431BTLVH432,TLVH432A,TLVH432BSLVS555K–NOVEMBER 2004–REVISED SEPTEMBER 2016

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