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LTM4645 Datasheet(PDF) 9 Page - Linear Technology

Part # LTM4645
Description  25A DC/DC Step-Down 關Module Regulator
PDF  34 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTM4645 Datasheet(HTML) 9 Page - Linear Technology

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LTM4645
9
4645f
For more information www.linear.com/LTM4645
block DiagraM
Figure 1. Simplified LTM4645 Block Diagram
Decoupling requireMenTs
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
CIN
External Input Capacitor Requirement
(VIN = 4.7V to 15V, VOUT = 1V)
IOUT = 25A
44
µF
COUT
External Output Capacitor Requirement
(VIN = 4.7V to 15V, VOUT = 1V)
IOUT = 25A
300
µF
+
M1
90nH
M2
1µF
60.4k
90.9k
4645 F01
RFREQ
48.7k
VOUT
CIN
COUT
GND
VSNS–
VSNS+
VFB
INTVCC
VIN
PGOOD
CLKOUT
HIZB
RUN
COMPa
2.2
COMPb
INTVCC
POWER
CONTROL
2.2µF
VIN
6V TO 15V
VOUT
1V
25A
+
10pF
0.1µF
4.7µF
0.1µF
3300pF
PHASMD
SVIN
2k
DIFF
AMP
FREQ
SGND
INTVCC
INTVCC
DVRVCC
TRACK/SS
MODE/PLLIN
47pF
1µF



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