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UCC27519DBV Datasheet(PDF) 2 Page - Texas Instruments |
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UCC27519DBV Datasheet(HTML) 2 Page - Texas Instruments |
2 / 24 page UCC27518 UCC27519 SLUSB33 – MAY 2012 www.ti.com DESCRIPTION (CONT.) The input pin threshold of the UCC27518 and UCC27519 are based on CMOS logic where the threshold voltage is a function of the VDD supply voltage. Typically Input High Threshold (VIN-H) is 55% VDD and Input Low Threshold (VIN-L) is 39% VDD. Wide hysteresis (16% VDD typically) between the high and low thresholds offers excellent noise immunity and allows users to introduce delays using RC circuits between the input PWM signal and the INx pin of the device. The UCC27518 and UCC27519 also feature a floatable enable function on the EN pin. The EN pin can be left in a no connect condition, which allows pin-to-pin compatibility between the UCC27518, UCC27519 and the TPS2828, TPS2829 respectively. Enable pin threshold is a fixed voltage threshold and does not vary based on VDD pin bias voltage. Typically Enable High Threshold (VEN-H) is 2.1 V and Enable Low Threshold (VEN-L) is 1.25 V. This integrated circuit can be damaged by ESD. Texas Instruments recommends that all integrated circuits be handled with appropriate precautions. Failure to observe proper handling and installation procedures can cause damage. ESD damage can range from subtle performance degradation to complete device failure. Precision integrated circuits may be more susceptible to damage because very small parametric changes could cause the device not to meet its published specifications. ORDERING INFORMATION(1)(2) OPERATING PEAK CURRENT INPUT THRESHOLD PART NUMBER PACKAGE TEMPERATURE RANGE, (SOURCE/SINK) LOGIC TA Inverting CMOS Logic UCC27518DBV (follows VDD bias voltage) 4-A/4-A SOT-23 5-pin -40°C to 140°C Non-Inverting CMOS (Symmetrical Drive) UCC27519DBV Logic (follows VDD bias voltage) (1) For the most current package and ordering information, see Package Option Addendum at the end of this document. (2) All packages use Pb-Free lead finish of Pd-Ni-Au which is compatible with MSL level 1 at 255°C to 260°C peak reflow temperature to be compatible with either lead free or Sn/Pb soldering operations. DRS package is rated MSL level 2. Table 1. UCC2751x Product Family Summary PEAK CURRENT PART NUMBER PACKAGE INPUT THRESHOLD LOGIC (SOURCE/SINK) UCC27511DBV(1) SOT-23, 6 pin 4-A/8-A CMOS/TTL-Compatible (Asymmetrical Drive) UCC27512DRS (1) 3 mm x 3 mm WSON, 6 pin (low voltage, independent of VDD UCC27516DRS (1) 3 mm x 3 mm WSON, 6 pin bias voltage) UCC27517DBV (1) SOT-23, 5 pin 4-A/4-A (Symmetrical Drive) UCC27518DBV SOT-23, 5 pin CMOS (follows VDD bias voltage) UCC27519DBV SOT-23, 5 pin (1) Visit www.ti.com for the latest product datasheet. 2 Submit Documentation Feedback Copyright © 2012, Texas Instruments Incorporated Product Folder Link(s): UCC27518 UCC27519 |
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