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LM25118 Datasheet(PDF) 9 Page - Texas Instruments |
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LM25118 Datasheet(HTML) 9 Page - Texas Instruments |
9 / 43 page LM25118, LM25118-Q1 www.ti.com SNVS726D – JULY 2011 – REVISED AUGUST 2014 Electrical Characteristics (1) (continued) Unless otherwise specified, the following conditions apply: VIN = 24 V, VCCX = 0 V, EN = 5 V, RT = 29.11 k Ω, no load on LO and HO. (1) –40°C to +125°C TJ = 25°C PARAMETER TEST CONDITIONS MIN TYP MAX MIN TYP MAX UNIT HIGH SIDE (HO) GATE DRIVER VOLH HO Low-state Output Voltage IHO = 100 mA 0.1 0.21 0.135 V IHO = –100 mA, VOHH HO High-state Output Voltage 0.25 V VOHH = VHB-VOH HO Rise Time C-load = 1 nF, VCC = 8 V 14 ns HO Fall Time C-load = 1 nF, VCC = 8 V 12 ns IOHH Peak HO Source Current VHO = 0 V, VCC = 8 V 2.2 A IOLH Peak HO Sink Current VHO = VCC = 8 V 3.5 A HB-HS Under Voltage Lock-out 3 V BUCK-BOOST CHARACTERISTICS(2) Buck-Boost Mode Buck Duty Cycle 69 80 75 % THERMAL Thermal Shutdown Junction TSD 165 °C Temperature ΔTSD Thermal Shutdown Hysterisis 25 °C (2) When the duty cycle exceeds 75%, the LM25118 controller gradually phases into the Buck-Boost mode. Copyright © 2011–2014, Texas Instruments Incorporated Submit Documentation Feedback 9 Product Folder Links: LM25118 LM25118-Q1 |
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