Datasheet LTM4645 (Analog Devices) - 9
| Fabricante | Analog Devices |
| Descripción | 25A DC/DC Step-Down µModule Regulator |
| Páginas / Página | 34 / 9 — block DiagraM. Figure 1. Simplified LTM4645 Block Diagram. Decoupling … |
| Formato / tamaño de archivo | PDF / 707 Kb |
| Idioma del documento | Inglés |
block DiagraM. Figure 1. Simplified LTM4645 Block Diagram. Decoupling requireMenTs. SYMBOL. PARAMETER. CONDITIONS. MIN. TYP. MAX. UNITS
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LTM4645
block DiagraM
2.2Ω 1µF RUN CLKOUT HIZB INTVCC COMPa PGOOD COMPb 10pF 3300pF 47pF 2k VIN VIN + 6V TO 15V 2.2µF SVIN CIN M1 PHASMD 90nH VOUT VOUT 1V FREQ + 25A POWER M2 1µF C R OUT FREQ CONTROL GND 48.7k SGND INTVCC INTVCC INTVCC – VSNS– 4.7µF 0.1µF DIFF 90.9k DVRVCC AMP + VFB TRACK/SS 60.4k 0.1µF VSNS+ MODE/PLLIN 4645 F01
Figure 1. Simplified LTM4645 Block Diagram Decoupling requireMenTs SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
CIN External Input Capacitor Requirement IOUT = 25A 44 µF (VIN = 4.7V to 15V, VOUT = 1V) COUT External Output Capacitor Requirement IOUT = 25A 300 µF (VIN = 4.7V to 15V, VOUT = 1V) 4645f For more information www.linear.com/LTM4645 9 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Decoupling Requirements Operation Applications Information Typical Applications Package Description Package Photo Design Resources Related Parts
block DiagraM
2.2Ω 1µF RUN CLKOUT HIZB INTVCC COMPa PGOOD COMPb 10pF 3300pF 47pF 2k VIN VIN + 6V TO 15V 2.2µF SVIN CIN M1 PHASMD 90nH VOUT VOUT 1V FREQ + 25A POWER M2 1µF C R OUT FREQ CONTROL GND 48.7k SGND INTVCC INTVCC INTVCC – VSNS– 4.7µF 0.1µF DIFF 90.9k DVRVCC AMP + VFB TRACK/SS 60.4k 0.1µF VSNS+ MODE/PLLIN 4645 F01
Figure 1. Simplified LTM4645 Block Diagram Decoupling requireMenTs SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
CIN External Input Capacitor Requirement IOUT = 25A 44 µF (VIN = 4.7V to 15V, VOUT = 1V) COUT External Output Capacitor Requirement IOUT = 25A 300 µF (VIN = 4.7V to 15V, VOUT = 1V) 4645f For more information www.linear.com/LTM4645 9 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Decoupling Requirements Operation Applications Information Typical Applications Package Description Package Photo Design Resources Related Parts