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LTM4686BEVPBF 数据表(PDF) 18 Page - Analog Devices |
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LTM4686BEVPBF 数据表(HTML) 18 Page - Analog Devices |
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18 / 130 page  LTM4686B 18 Rev. 0 For more information www.analog.com SIMPLIFIED BLOCK DIAGRAM DECOUPLING REQUIREMENTS SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS CINH External High Frequency Input Capacitor Requirement (4.5V ≤ VIN ≤ 5.75V, VOUTn Commanded to 1.000V) IOUT0 = 14A, 22μF ×2, or 10μF ×3 IOUT1 = 14A, 22μF ×2, or 10μF ×3 30 44 µF COUTnHF External High Frequency Output Capacitor Requirement (4.5V ≤ VIN ≤ 5.75V, VOUTn Commanded to 1.000V) IOUT0 = 14A IOUT1 = 14A 400 400 µF µF TA = 25°C. Using the Simplified Block Diagram configuration. + + VIN0 VOUT0 VIN 4.5V TO 5.75V SW0 GND TSNS0 VOSNS0+ VORB0+ VOSNS0– LOCAL HIGH FREQ MLCCs ×1 VORB0– COMP0a COMP0b VOUT1 SW1 GND TSNS1b TSNS1a VOSNS1[+] SGND [VOSNS1–] COMP1a CONTROLLER SIGNAL GND COMP1b SYNC ASEL 4686B SD VDD25 VOUT0CFG VTRIM0CFG VTRIM1CFG VOUT1CFG FSWPHCFG SCL 5V TOLERANT; PULL-UP RESISTORS NOT SHOWN 5V TOLERANT; PULL-UP RESISTORS NOT SHOWN 3.3V TOLERANT; PULL-UP RESISTOR NOT NEEDED SDA ALERT WP RUN0 RUN1 GPIO0 GPIO1 SHARE_CLK COUT0LF COUT1LF COUT1HF COUT0HF VOUT0 ADJUSTABLE UP TO 3.6V UP TO 14A (17A PEAK) SVIN 1µF 1µF MT0 110nH 110nH THERMAL SENSOR THERMAL SENSOR MB0 MT1 MB1 2.2µF 2.2µF INTVCC VDD33 VIN1 CINH CINL THERMAL SENSOR ANALOG READBACK SIGNALS TO ERROR AMPLIFIER POWER CONTROL ANALOG SECTION POWER MANAGEMENT DIGITAL SECTION + – LOAD0 LOCAL HIGH FREQ MLCCs LOAD1 + VORB1[+] VOUT1 ADJUSTABLE UP TO 3.6V UP TO 14A (17A PEAK) INTERNAL COMP SPI SLAVE SPI MASTER SYNC DRIVER OSC (32MHz) DIGITAL ENGINE EEPROM ROM RAM INTERNAL COMP ADC 3.3V TOLERANT; PULL-UP RESISTORS NOT SHOWN 3.3V TOLERANT; PULL-UP RESISTOR NOT SHOWN CONFIGURATION RESISTORS TERMINATING TO SGND NOT SHOWN |
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