Datasheet LTM4631 (Analog Devices) - 10
| Manufacturer | Analog Devices |
| Description | Ultrathin Dual 10A or Single 20A DC/DC μModule Regulator |
| Pages / Page | 34 / 10 — siMpliFieD block DiagraM. Figure 1. Simplified LTM4631 Block Diagram |
| File Format / Size | PDF / 993 Kb |
| Document Language | English |
siMpliFieD block DiagraM. Figure 1. Simplified LTM4631 Block Diagram
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Text Version of Document
LTM4631
siMpliFieD block DiagraM
PGOOD1 VIN TRACK1 V 4.5V TO 15V IN SS CAP C 0.22µF IN1 22µF 25V GND V R IN T TEMP = 100µA VIN MTOP1 RT CLKOUT SW1 OR TEMP MONITORS RUN1 0.34µH V VOUT1 OUT1 1V MODE_PLLIN + 10A MBOT1 1µF COUT1 PHASEMD GND VOUTS1 COMP1 60.4k VFB1 INTERNAL RFB1 COMP 90.9k SGND POWER CONTROL PGOOD2 TRACK2 VIN INTVCC C SS CAP 0.22µF IN3 4.7µF 22µF GND 25V EXTVCC MTOP2 SW2 0.34µH V V OUT2 OUT2 1.2V RUN2 + 10A MBOT2 1µF COUT2 GND VOUTS2 60.4k COMP2 + V – FB2 RFB2 INTERNAL 60.4k COMP fSET R INTERNAL FSET FILTER SGND DIFFOUT DIFFN DIFFP 4631 BD
Figure 1. Simplified LTM4631 Block Diagram Decoupling requireMenTs TA = 25°C. Use Figure 1 configuration. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
External Input Capacitor Requirement CIN1, CIN2 (VIN1 = 4.5V to 15V, VOUT1 = 1.5V) IOUT1 = 10A 22 µF CIN3, CIN4 (VIN2 = 4.5V to 15V, VOUT2 = 1.2V) IOUT2 = 10A 22 µF External Output Capacitor Requirement COUT1 (VIN1 = 4.5V to 15V, VOUT1 = 1.5V) IOUT1 = 10A 300 µF COUT2 (VIN2 = 4.5V to 15V, VOUT2 = 1.2V) IOUT2 = 10A 300 µF 4631fb 10 For more information www.linear.com/LTM4631 Document Outline Description Typical Application Absolute Maximum Ratings Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Operation Applications Information Package Description Related Parts Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Simplified Block Diagram Decoupling Requirements Operation Applications Information typical Applications Package Description Revision History Package PHoto Design Resources Related Parts
siMpliFieD block DiagraM
PGOOD1 VIN TRACK1 V 4.5V TO 15V IN SS CAP C 0.22µF IN1 22µF 25V GND V R IN T TEMP = 100µA VIN MTOP1 RT CLKOUT SW1 OR TEMP MONITORS RUN1 0.34µH V VOUT1 OUT1 1V MODE_PLLIN + 10A MBOT1 1µF COUT1 PHASEMD GND VOUTS1 COMP1 60.4k VFB1 INTERNAL RFB1 COMP 90.9k SGND POWER CONTROL PGOOD2 TRACK2 VIN INTVCC C SS CAP 0.22µF IN3 4.7µF 22µF GND 25V EXTVCC MTOP2 SW2 0.34µH V V OUT2 OUT2 1.2V RUN2 + 10A MBOT2 1µF COUT2 GND VOUTS2 60.4k COMP2 + V – FB2 RFB2 INTERNAL 60.4k COMP fSET R INTERNAL FSET FILTER SGND DIFFOUT DIFFN DIFFP 4631 BD
Figure 1. Simplified LTM4631 Block Diagram Decoupling requireMenTs TA = 25°C. Use Figure 1 configuration. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
External Input Capacitor Requirement CIN1, CIN2 (VIN1 = 4.5V to 15V, VOUT1 = 1.5V) IOUT1 = 10A 22 µF CIN3, CIN4 (VIN2 = 4.5V to 15V, VOUT2 = 1.2V) IOUT2 = 10A 22 µF External Output Capacitor Requirement COUT1 (VIN1 = 4.5V to 15V, VOUT1 = 1.5V) IOUT1 = 10A 300 µF COUT2 (VIN2 = 4.5V to 15V, VOUT2 = 1.2V) IOUT2 = 10A 300 µF 4631fb 10 For more information www.linear.com/LTM4631 Document Outline Description Typical Application Absolute Maximum Ratings Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Operation Applications Information Package Description Related Parts Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Simplified Block Diagram Decoupling Requirements Operation Applications Information typical Applications Package Description Revision History Package PHoto Design Resources Related Parts
