Datasheet LTM4612 (Analog Devices) - 9

LTM4612
BLOCK DIAGRAM
> 1.9V = ON < 1V = OFF VOUT MAX = 5V RUN INPUT VIN PGOOD FILTER + 5.1V 20V TO 36V 1µF ZENER CIN COMP 100k VD INTERNAL COMP CD POWER CONTROL SGND M1 2.7µH VOUT MARG1 12V AT 4A MARG0 V NOISE FB 50k 50k CANCEL- 10µF + f R SET LATION FB M2 COUT 5.23k 93.1k PGND FCB 10k MPGM TRACK/SS PLLIN CSS 50k 4.7µF INTVCC DRVCC 4612 F01
Figure 1. Simplified Block Diagram DECOUPLING REQUIREMENTS Specifications are at TA = 25°C. Use Figure 1 configuration. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
CIN External Input Capacitor Requirement IOUT = 4A 20 µF (VIN = 20V to 36V, VOUT = 12V) COUT External Output Capacitor Requirement IOUT = 4A 100 150 µF (VIN = 20V to 36V, VOUT = 12V) 4612fc For more information www.linear.com/LTM4612 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 Package Description Revision History Package Photograph Related Parts