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LT8580 Datasheet(PDF) 32 Page - Linear Technology |
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LT8580 Datasheet(HTML) 32 Page - Linear Technology |
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32 / 32 page  LT8580 32 8580fa For more information www.linear.com/LT8580 LINEAR TECHNOLOGY CORPORATION 2014 LT 0916 REV A • PRINTED IN USA LinearTechnology Corporation 1630 McCarthy Blvd., Milpitas, CA 95035-7417 (408)432-1900 ● FAX: (408) 434-0507 ● www.linear.com/LT8580 relaTeD parTs Typical applicaTion PART NUMBER DESCRIPTION COMMENTS LT1613 550mA (ISW), 1.4MHz High Efficiency Step-Up DC/DC Converter VIN: 0.9V to 10V, VOUT(MAX) = 34V, IQ = 3mA, ISD < 1µA, ThinSOT Package LT1618 1.5A (ISW), 1.4MHz High Efficiency Step-Up DC/DC Converter VIN: 1.6V to 18V, VOUT(MAX) = 35V, IQ = 1.8mA, ISD < 1µA, MS10, 3mm × 3mm DFN Packages LT1930/LT1930A 1A (ISW), 1.2MHz/2.2MHz High Efficiency Step-Up DC/DC Converter VIN: 2.6V to 16V, VOUT(MAX) = 34V, IQ = 4.2mA/5.5mA, ISD < 1µA, ThinSOT Package LT1935 2A (ISW), 40V, 1.2MHz High Efficiency Step-Up DC/DC Converter VIN: 2.3V to 16V, VOUT(MAX) = 38V, IQ = 3mA, ISD < 1µA, ThinSOT Package LT1944/LT1944-1 Dual Output 350mA (ISW), Constant Off-Time, High Efficiency Step-Up DC/DC Converter VIN: 1.2V to 15V, VOUT(MAX) = 34V, IQ = 20µA, ISD < 1µA, MS10 Package LT1946/LT1946A 1.5A (ISW), 1.2MHz/2.7MHz High Efficiency Step-Up DC/DC Converter VIN: 2.6V to 16V, VOUT(MAX) = 34V, IQ = 3.2mA, ISD < 1µA, MS8E Package LT3467 1.1A (ISW), 1.3MHz High Efficiency Step-Up DC/DC Converter VIN: 2.4V to 16V, VOUT(MAX) = 40V, IQ = 1.2mA, ISD < 1µA, ThinSOT, 2mm × 3mm DFN Packages LT3477 42V, 3A, 3.5MHz Boost, Buck-Boost, Buck LED Driver VIN: 2.5V to 25V, VOUT(MAX) = 40V, Analog/PWM, ISD < 1µA, QFN, TSSOP-20E Packages LT3479 3A Full-Featured DC/DC Converter with Soft-Start and Inrush Current Protection VIN: 2.5V to 24V, VOUT(MAX) = 40V, IQ = 5mA, ISD < 1µA, DFN, TSSOP Packages LT3580 2A (ISW), 42V, 2.5MHz, High Efficiency Step-Up DC/DC Converter VIN: 2.5V to 32V, VOUT(MAX) = 42V, IQ = 1mA, ISD = <1µA, 3mm × 3mm DFN-8, MSOP-8E LT3581 3.3A (ISW), 42V, 2.5MHz, High Efficiency Step-Up DC/DC Converter VIN: 2.5V to 22V, VOUT(MAX) = 42V, IQ = 1.9mA, ISD = <1µA, 4mm × 3mm DFN-14, MSOP-16E LT3579 6A (ISW), 42V, 2.5MHz, High Efficiency, Step-Up DC/DC Converter VIN: 2.5V to 16V, VOUT(MAX) = 42V, IQ = 1.9mA, ISD = <1µA, 4mm × 5mm QFN-20, TSSOP-20 LT8582 Dual Channel, 3A (ISW), 42V, 2.5MHz, High Efficiency Step-Up DC/DC Converter VIN: 2.5V to 22V, VOUT(MAX) = 42V, IQ = 2.1mA, ISD = <1µA, 4mm × 7mm DFN-24 Efficiency and Power Loss (VIN = 12V) 12V Battery Stabilizer Survives 40V Transients COUT 4.7µF VOUT 12V 240mA L1 22µH L2 22µH C1 1µF D1 130k VIN 9V TO 16V UP TO 40V TRANSIENT VIN SW 8580 TA07a LT8580 487k 16.2k 84.5k SHDN GND FBX VC SYNC SS RT 1nF 22pF 0.22µF CIN 4.7µF • L1, L2: WÜRTH 22µH WE-DD 744877220 D1: DIODES INC. DFLS1100 CIN: 4.7µF, 50V, 1206, X7R COUT: 4.7µF, 25V, 1206, X7R C1: 1µF, 100V, 0805, X7S LOAD CURRENT (mA) 0 10 30 20 40 50 160 90 8580 TA07b 120 200 40 80 240 60 70 80 0 400 600 800 500 200 100 300 700 EFFICIENCY POWER LOSS |
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