LT3694 Просмотр технического описания (PDF) - Linear Technology
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LT3694 Datasheet PDF : 28 Pages
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LT3694/LT3694-1
BLOCK DIAGRAM
OUT2
BIAS
OUT1
EN/UVLO
+
0.5V –
–
+
1.2V
OUT1
RLIM2
LIM2
60mV
–
+
DRV2
3µA
TRK/SS2
0.75V
FB2
+
+
SD
–
–
0.68V
+
INT REG
AND REF
LDO
0.9V
Σ
+
–
SLOPE
COMP
CLK
RT SYNC
(LT3694)
CLKOUT
(LT3694-1)
MASTER
OSC
CLK
VIN
OVERVOLTAGE
SHUTDOWN
PGOOD
THERMAL
SHUTDOWN
LDO
PG1
60mV
LIM3
OUT1
RLIM3
DRV3
3µA
TRK/SS3
SD
0.75V
FB3
OUT3
0.68V
BUCK
VIN
BIAS
VIN
CIN
R
SO
BST
C3
SW
L1
OUT1
D1
C1
DA
VC1
Cf
RC
CC
GND
–
ILIMIT
+ CLAMP
2V
ERROR
AMP
0.75V
FB1
3µA
R1
R2
0.68V
TRK/SS1
PG1
36941 F01
Figure 1. LT3694 Block Diagram with Typical External Components
36941fb
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