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LT8686SJVPBF データシート(PDF) 26 Page - Analog Devices |
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LT8686SJVPBF データシート(HTML) 26 Page - Analog Devices |
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26 / 26 page  LT8686S 26 Rev. 0 For more information www.analog.com ANALOG DEVICES, INC. 2022 11/22 www.analog.com RELATED PARTS TYPICAL APPLICATION PART NUMBER DESCRIPTION COMMENTS LT8601 42V, 94% Efficiency, 2.2MHz Triple Output (1.5A + 2.5A + 1.8A) Synchronous Micropower Step-Down DC/DC Converter with IQ = 30μA VIN: 3V to 42V, VOUT(MIN) = 0.8V, IQ = 30µA, ISD < 25µA, 6mm × 6mm QFN-40 Package LT8602 42V, Quad Output (2.5A + 1.5A + 1.5A + 1.5A) 95% Efficiency, 2.2MHz Synchronous Micropower Step-Down DC/DC Converter with IQ = 25µA VIN: 3V to 42V, VOUT(MIN) = 0.8V, IQ = 25µA, ISD < 25µA, 6mm × 6mm QFN-40 Package LT8603 42V, Low IQ, Quad Output Triple Monolithic Buck Converter and Boost Controller VIN: 3V to 42V, VOUT(MIN) = 0.8V, IQ = 25µA, ISD < 25µA, 6mm × 6mm QFN-40 Package 2.2µF 2.2µF 4.7µF 2.2µF 499k 0.1µF 0.1µF 0.72H** 953k 47µF 105k 4.7pF 0.1µF 0.82µH 976k 47µF 309k 4.7pF 0.1µF 0.60µH 649k 47µF 523k 10pF 499k 499k 10nF 22nF 13.7k 0.1µF BST3 SW3 FB3 BST4 SW4 FB4 BIAS BST1 SW1 FB1 BST2 SW2 FB2 EN/UVLO EN2 VIN1 VIN2 EN3 EN4 VIN3 VIN4 PG4 PG3 PG2 PG1 TRK/SS4 TRK/SS3 TRK/SS2 TRK/SS1 RT SYNC/MODE OUT1 8V, 4A* INTVCC OUT4 1.8V, 2A INTVCC OUT3 3.3V, 2A GND LT8686S CLK IN 3.0MHz OUT1 VIN 9V TO 42V **INDUCTOR VALUES CHOSEN FOR VIN = 12V 8686S TA05a *CURRENT AVAILABLE FROM OUT1: 4A – IVIN3 – IVIN4 – IBIAS 1A LOAD PER OUTPUT START-UP SEQUENCE: VIN HIGH ENABLES OUT1,2 VOUT1,2 IN REGULATION ENABLES OUT3 AND OUT4 VOUT3 AND VOUT4 SOFT-START RATIOMETRICALLY 2ms/DIV VIN 10V/DIV VOUT1,2 5V/DIV VOUT3 2V/DIV VOUT4 2V/DIV 8686S TA04b Start-Up Sequencing Triple Output, 3MHz Step-Down Regulator with Sequenced Ratiometric Start-Up |
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