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LM25069 Scheda tecnica(PDF) 5 Page - Texas Instruments |
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LM25069 Scheda tecnica(HTML) 5 Page - Texas Instruments |
5 / 30 page LM25069 www.ti.com SNVS607D – FEBRUARY 2009 – REVISED DECEMBER 2010 Electrical Characteristics (continued) Limits in standard type are for TJ = 25°C only; limits in boldface type apply over the junction temperature (TJ) range of -40°C to +85°C. Minimum and Maximum limits are guaranteed through test, design, or statistical correlation. Typical values represent the most likely parametric norm at TJ = 25°C, and are provided for reference purposes only. Unless otherwise stated the following conditions apply: VIN = 12V. Symbol Parameter Conditions Min. Typ. Max. Units VTMRL Lower threshold Restart cycles (LM25069-2) 0.9 1.0 1.1 V End of 8th cycle (LM25069-2) 0.3 V Re-enable Threshold (LM25069-1) 0.3 V ITIMER Insertion time current -7.5 -5.5 -3.5 µA Sink current, end of insertion time TIMER pin = 2V 1.5 2 2.5 mA Fault detection current -110 -80 -50 µA Fault sink current 1.6 2.5 3.4 µA DCFAULT Fault Restart Duty Cycle LM25069-2 only 0.67 % tFAULT Fault to GATE low delay TIMER pin reaches the upper threshold 20 µs Power Good (PGD pin) PGDTH Threshold measured at SENSE-OUT Decreasing 1.3 1.9 V Threshold Hysteresis 0.6 PGDVOL Output low voltage ISINK = 2 mA 15 30 mV PGDIOH Off leakage current VPGD = 17V 1 µA Copyright © 2009–2010, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Links: LM25069 |
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