Datasheet LTM4601HV (Analog Devices) - 9

LTM4601HV
SIMPLIFIED BLOCK DIAGRAM
V V OUT_LCL IN VOUT >1.9V = ON 1M R1 <1V = OFF MAX = 5V RUN UVLO VIN FUNCTION PGOOD + 5.1V 4.5V TO 28V 1.5µF R2 ZENER CIN COMP 60.4k INTERNAL COMP Q1 POWER CONTROL SGND 0.47µH VOUT MARG1 2.5V 12A MARG0 22µF VFB 50k 50k + f Q2 R SET C SET OUT 19.1k 2.2Ω 39.2k PGND MPGM INTV 10k CC TRACK/SS 10k V – PLLIN – OSNS CSS 10k + V + OSNS 50k 4.7µF INTV 10k CC DRVCC DIFFVOUT 4601HV F01 = SGND = PGND
Figure 1. Simplified LTM4601HV Block Diagram DECOUPLING REQUIREMENTS TA = 25°C, VIN = 12V. Use Figure 1 configuration. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
CIN External Input Capacitor Requirement IOUT = 12A, 3× 10µF Ceramics 20 30 µF (VIN = 4.5V to 28V, VOUT = 2.5V) COUT External Output Capacitor Requirement IOUT = 12A 100 200 µF (VIN = 4.5V to 28V, VOUT = 2.5V) 4601hvfb 9 Document Outline Features Applications Description Typical Application 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 Photos Related Parts