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LTC3716 데이터시트(PDF) 9 Page - Linear Technology

부품명 LTC3716
상세설명  2-Phase, 5-Bit VID, Current Mode, High Efficiency, Synchronous Step-Down Switching Regulator
PDF  28 Pages
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제조업체  LINER [Linear Technology]
홈페이지  http://www.linear.com
Logo LINER - Linear Technology

LTC3716 데이터시트(HTML) 9 Page - Linear Technology

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9
LTC3716
FU CTIO AL DIAGRA
PI FU CTIO S
VIN (Pin 32): Main Supply Pin. Should be closely de-
coupled to the IC’s signal ground pin.
PGOOD (Pin 36): Open-Drain Logic Output. PGOOD is
pulled to ground when the voltage on the EAIN pin is not
within
±10% of its set point.
SWITCH
LOGIC
0.60V
4.8V
5V
VIN
CLK2
TO SECOND
CHANNEL
CLK1
+
–
–
+
VREF
INTERNAL
SUPPLY
EXTVCC
INTVCC
SGND
+
5V
LDO
REG
SW
SHDN
0.55V
TOP
BOOST
TG
CB
CIN
D1
DB
PGND
BOT
BG
INTVCC
INTVCC
VIN
+
3716 FBD
EAIN
VFB
DROP
OUT
DET
RUN
SOFT-
START
BOT
FCB
TOP ON
S
R
Q
Q
OSCILLATOR
PLLFLTR
50k
EA
0.66V
0.60V
OV
1.2
µA
6V
–
+
RC
5VFB
RST
SHDN
RUN/SS
ITH
CC
CSS
5VFB
0.86V
SLOPE
COMP
+
–
+
–
SENSE–
SENSE+
INTVCC
30k
45k
2.4V
45k
RSENSE
30k
I1
I2
B
ATTENIN
10k
R1
VID0
ATTENOUT
VID1
VID2
VID3
VID4
TYPICAL ALL
VID PINS
40k
VBIAS
PHASE DET
PLLIN
DUPLICATE FOR SECOND
CONTROLLER CHANNEL
CC2
+
–
+
–
COUT
VOUT
fIN
RLP
CLP
+
–
DIFFOUT
AMPMD
VOS
+
VOS
–
0.54V
0.66V
+
–
+
–
EAIN
PGOOD
5-BIT VID DECODER
–
+
4.5V
0.18
µA
+
–
FCB
3V
FCB
L
A1
0V POSITION
4
3
2
1



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