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LTC4449 Datasheet(PDF) 9 Page - Linear Technology

Part # LTC4449
Description  Dual, Multiphase Current Mode Synchronous Controller for Sub-Milliohm DCR Sensing
PDF  38 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC4449 Datasheet(HTML) 9 Page - Linear Technology

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LTC3774
9
3774fc
For more information www.linear.com/LTC3774
FUNCTIONAL BLOCK DIAGRAM
SLEEP
INTVCC
0.55V
NOTE: FUNCTIONAL BLOCK DIAGRAM SHOWS 1 CHANNEL ONLY. THE 2 CHANNELS ARE IDENTICAL.
–
+
0.5V
SS
1.22V
RUN
1.25µA
VIN
EA
ITH R
C
CC1
CSS
RUN
TK/SS
0.6V
REF
S
R Q
PHSMD
5.5V
REG
ACTIVE CLAMP
OSC
MODE/SYNC
DETECT
SLOPE
COMPENSATION
UVLO
1
R
ITHB
1µA/5µA
FREQ
CLKOUT
MODE/PLLIN
ITEMP
0.6V
BURST EN
ILIM
–
+
ICMP
IREV
F
–
+
–
+
OV
UV
–
+
DIFFAMP
–
+
AMP
0.555V
PGOOD
SNS–
SNSA+
PWM
INTVCC
VOSNS–
VOSNS+
SNSD+
3774 BD
GND
0.645V
20k
20k
OV
RUN
ON
FCNT
PLL-SYNC
TEMPSNS
VIN
SNS–
1/2
PWMEN
SWITCH
LOGIC
HIZB
INTVCC



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