LTC3733-1 데이터 시트보기 (PDF) - Linear Technology
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LTC3733-1 Datasheet PDF : 32 Pages
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LTC3733/LTC3733-1
W
FU CTIO AL DIAGRA
PLLIN
(LTC3733-1 ONLY)
FIN
50k
RLP PLLFLTR
CLP
2.4V
2.5µA
FCB
+
0.6V –
PGOOD
PHASE DET
OSCILLATOR
FCB
CLK1
CLK2
CLK3
0.66V
120µs
BLANKING
VID TRANSITIONS
IN–
40k
40k
EAIN
0.54V
IN+
DIFFOUT
EAIN
ITH
CC
RC
–
A1
+
40k
40k
VFB
0.600V
0.660V
–
EA
+
+ OV
–
R1
6.667k
R2 VARIABLE
5-BIT VID DECODER
VID0 VID1 VID2 VID3 VID4
DUPLICATE FOR SECOND AND THIRD
CONTROLLER CHANNELS
VCC
VIN
BOOST
DB
RS
LATCH
DROP
OUT
DET
BOT
TG
CB
TOP
FORCE BOT
SQ
SW
RQ
SWITCH
LOGIC
VCC (DRVCC IN
THE LTC3733-1)
0.55V
+B
–
FCB
SHDN
BG
BOT
PGND
+
CIN
–
I1 – +
I2
+
3mV
SLOPE
COMP
5(VFB)
45k
45k
2.4V
L
VCC
30k SENSE+
30k SENSE–
RSENSE
COUT
VOUT
VCC
1.5µA
6V
SHDN
RST
5(VFB)
SHED
RUN
SOFT-
START
NO_CPU
1µs
0.600V
INTERNAL
SUPPLY
VREF
VCC
SGND
VCC
+
CCC
SS
RUN
CSS
100k
3733 F02
Figure 2
3733f
10
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