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LTM4686BIVPBF 数据表(PDF) 74 Page - Analog Devices |
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LTM4686BIVPBF 数据表(HTML) 74 Page - Analog Devices |
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74 / 130 page  LTM4686B 74 Rev. 0 For more information www.analog.com TYPICAL APPLICATIONS Figure 33. One LTM4686B Operating In Parallel with 3xLTM4650 (See Demo Board DC2481A-B, Custom-Stuffed with LTM4686B Module for U1) Producing 1VOUT at up to 174A. Power System Management Features Accessible Through LTM4686B. See Figure 34. Contact Sales Support for Adapting Circuit for LTM4686B Use with LTM4631, LTM4620A, LTM4630 CIN1 10µF ×4 CIN5 150µF 10k ×6 4.5V TO 5.75V CIN2 10µF ×4 COUT(MLCC) 100µF ×20 COUT(BULK) 470µF ×10 VOUT, 1V ADJUSTABLE UP TO 174A VOUT0 TSNS0 VOSNS0+ VOSNS0– VINO VIN1 SVIN VDD33 LOAD SCL SDA ALERT RUN0 RUN1 GPIO0 GPIO1 SYNC SHARE_CLK WP U1 LTM4686B U2* + VOUT1 TSNS1a TSNS1b VOSNS1 SGND PWM CLOCK SYNCH. TIME BASE SYNCH. SMBus INTERFACE WITH PMBus COMMAND SET ON/OFF CONTROL, FAULT MANAGEMENT, POWER SEQUENCING RTH* CTH* CINTVCC2 4.7µF U1: SLAVE ADDRESS = 1000000_R/W (0x40) 750kHz SWITCHING FREQUENCY WITH INTERLEAVING NO GUI CONFIGURATION AND NO PART-SPECIFIC PROGRAMMING REQUIRED EXCEPT: MFR_GPIO_RESPONSEn = 0x00 MFR_GPIO_PROPAGATEn = 0x6893 IN MULTI-MODULE SYSTEMS, CONFIGURING RAIL_ADDRESS IS RECOMMENDED ELECTRICALLY UNCONNECTED PINS VORB0+, VORB0– AND VORB1 NOT SHOWN SETTING MFR_PWM_CONFIG[7] = 1b, CONFIGURES THE VOUT1 CONTROL LOOP TO USE THE VOSNS0+/VOSNS0– DIFFERENTIAL- SENSE PIN-PAIR AS THE FEEDBACK SIGNAL FOR REGULATING VOUT1. RCLK 200 M1 2N7002A 1.2k 1% ±50ppm/°C 10.7k 1% ±50ppm/°C RTEMP2 121k RVFB 8.25k RFSET2 121k RDIV1* RDIV2* 220pF CIN3 10µF ×4 CIN4 10µF ×4 – + U5A 1/2 LT1801 VIN TEMP EXTVCC PHASMD RUN1 RUN2 TRACK1 TRACK2 PGOOD1 VOUT1 VOUTS1 VFB1 VOUT2 VOUTS2 VFB2 DIFFP DIFFN DIFFOUT PGOOD2 COMP1 COMP2 fSET U3* CINTVCC3 4.7µF RTEMP3 121k RFSET3 121k TEMP EXTVCC PHASMD RUN1 RUN2 TRACK1 TRACK2 PGOOD1 VOUT1 VOUTS1 VFB1 VOUT2 VOUTS2 VFB2 DIFFP DIFFN DIFFOUT PGOOD2 COMP1 COMP2 fSET U4* CINTVCC4 4.7µF RTEMP4 121k RFSET4 121k TEMP EXTVCC PHASMD RUN1 RUN2 TRACK1 TRACK2 PGOOD1 VOUT1 VOUTS1 VFB1 VOUT2 VOUTS2 VFB2 DIFFP DIFFN DIFFOUT PGOOD2 4686B F33 COMP1 COMP2 fSET – + U5B 1/2 LT1801 DEMO BOARD DC2481A-B OUTPUT CURRENT UP TO 174A U2, U3, U4 LTM4650 U1 LTM4686B RDIV1 1.05k RDIV2 10k RTH 2k CTH 6.8nF *STUFFING OPTIONS VIN VIN |
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