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LP8545 数据表(PDF) 2 Page - Texas Instruments |
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LP8545 数据表(HTML) 2 Page - Texas Instruments |
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2 / 44 page  MCU LP8545 SW FB VLDO GNDs EN ISET VDDIO PWM SCLK SDA OUT1 OUT2 OUT3 OUT4 OUT5 OUT6 L1 D1 2.7V ± 22V FILTER +5V input rail FSET 15 éH VSYNC COUT CIN 10 éF 4.7 éF CVLDO 1 éF VDDIO reference voltage VSYNC signal 120 k # 100 nF RISET 1 éF FAULT Can be left floating if not used GD 39 pF VIN RFSET VBATT 5.5V ± 22V 10V ± 40V, 180 mA ± 400 mA 10V ± 25V, 180 mA MCU LP8545 SW FB VLDO GNDs EN ISET VDDIO PWM SCLK SDA OUT1 OUT2 OUT3 OUT4 OUT5 OUT6 L1 D1 5.5V ± 22V FILTER 5V FSET 15 éH VSYNC 10V ± 40V, 180 mA ± 400 mA COUT CIN 10 éF 4.7 éF CVLDO 1 éF VDDIO reference voltage VSYNC signal 120 k # 100 nF 1 éF FAULT Can be left floating if not used GD 39 pF VIN RISET RFSET VBATT LP8545 SNVS635D – APRIL 2010 – REVISED DECEMBER 2013 www.ti.com Typical Application (1) Typical Application for Low Input Voltage (2) Note: Separate 5V rail to VLDO can be also used to improve efficiency for applications with higher battery voltage. No power sequencing requirements between VIN/VLDO and VBATT. 2 Submit Documentation Feedback Copyright © 2010–2013, Texas Instruments Incorporated Product Folder Links: LP8545 |
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