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LM5121MHNOPB Datasheet(PDF) 3 Page - Texas Instruments |
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LM5121MHNOPB Datasheet(HTML) 3 Page - Texas Instruments |
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3 / 43 page  LM5121/LM5121-Q1 www.ti.com SNVS963A – SEPTEMBER 2013 – REVISED SEPTEMBER 2013 ABSOLUTE MAXIMUM RATINGS (1) Over operating free-air temperature range (unless otherwise noted) VALUE UNIT MIN MAX Input VIN, CSP, CSN –0.3 75 BST to SW, FB, MODE, UVLO, VCC(2) –0.3 15 SW –5.0 105 BST –0.3 115 SS, SLOPE, SYNCIN/RT –0.3 7 CSP to CSN, PGND –0.3 0.3 V DG to DS –3.0 18 DG to VIN –75 15 DS –3.0 75 Output(3) HO to SW –0.3 BST to SW+0.3 LO –0.3 VCC+0.3 COMP, RES –0.3 7 Human-Body Model (HBM) JESD22-A114 2 ESD Rating kV Charged-Device Model (CDM) JESD22-C101 1 Storage Temperature –55 150 Thermal ºC Junction Temperature –40 150 (1) Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only and functional operation of the device at these or any other conditions beyond those indicated under Recommended Operating Conditions are not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. Unless otherwise specified, all voltages are referenced to AGND pin. (2) See Application Information when input supply voltage is less than the VCC voltage. (3) All output pins are not specified to have an external voltage applied. THERMAL CHARACTERISTICS THERMAL METRIC UNIT θJA Junction-to-ambient thermal resistance (Typ.) 40 ºC/W θJC Junction-to-case thermal resistance (Typ.) 4 RECOMMENDED OPERATING CONDITIONS (1) Over operating free-air temperature range (unless otherwise noted) MIN MAX UNIT Input supply voltage(2) VIN 4.5 65 Disconnection switch voltage(2) DG, DS 3.0 65 Low-side driver bias voltage VCC 14 V High-side driver bias voltage BST to SW 3.8 14 Current sense common mode range(2) CSP, CSN 3.0 65 Switch node voltage SW 100 Junction temperature TJ –40 125 ºC (1) Recommended Operating Conditions are conditions under which operation of the device is intended to be functional, but does not guarantee specific performance limits. (2) Minimum VIN operating voltage is always 4.5 V. The minimum input power supply voltage can be 3.0 V after start-up, assuming VIN voltage is supplied from an available external source. Copyright © 2013, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Links: LM5121/LM5121-Q1 |
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