Datasheet LTM4623 (Analog Devices) - 8

LTM4623 BLOCK DIAGRAM VOUT 60.4k PGOOD 10k FB INTVCC RFB SVIN 40.2k INTVCC V 1µF IN VIN 4V TO 20V 0.1µF CIN CLKIN 10µF CLKOUT 1µH V VOUT POWER CONTROL OUT PHMODE 1.5V 3A COUT MODE 1µF 47µF GND TRACK/SS 0.1µF RUN COMP INTERNAL COMP INTERNAL FILTER 162k FREQ SGND 4623 BD
Figure 1. Simplified LTM4623 Block Diagram
DECOUPLING REQUIREMENTS
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
CIN External Input Capacitor Requirement IOUT = 3A 4.7 10 µF (VIN = 4V to 20V, VOUT = 1.5V) COUT External Output Capacitor Requirement IOUT = 3A 22 47 µF (VIN = 4V to 20V, VOUT = 1.5V) Rev D 8 For more information www.analog.com 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 Package Description Revision History Package Photos Design Resources Related Parts