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componentes Descripción
LTC3706IGN(RevB) Ver la hoja de datos (PDF) - Linear Technology
Número de pieza
componentes Descripción
Lista de partido
LTC3706IGN
(Rev.:RevB)
Secondary-Side Synchronous Forward Controller with PolyPhase Capability
Linear Technology
LTC3706IGN Datasheet PDF : 20 Pages
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LTC3706
BLOCK DIAGRAM
I
S+
2×
16
+
32×
I
S–
–
15
2V
+
C
–
I
TH
7
0.60V
FB
6
SLP
14
FS/SYNC
13
PHASE
5
MODE
4
+
C
–
+
EA
–
g
m
= 2.8mS
RUN/SS
DRIVE/DMAX
CONTROL
0.25V
+
C
–
2.5V
SLOPE
COMP 1
BLANK
OSC
AND
DMAX
PLL
RUN/SS
8
FB
V
CCUV
4V
SB
SOFT-
START
SHDN
SSLOW
WAIT
UVLO
V
SOUT
9
V
S+
40k
10
V
S–
40k
11
OC
4V
SB
RESTRT1
OT
40k
+
V
SENSE
AMP
–
40k
V
CC
SHDN
UVLO
(4.25/4.5)
I
TRP
WAIT
OVP
SKIP
BLANK
RESET
DOMINANT
R
Q
S
DMAX
PWM
+
OC
C
3.2V
–
OVERCURRENT
V
CC
WAIT
V
CC
OVP
ZERO
CROSSING
DETECT
V
CC
DRIVER
ENCODING
AND
V
CC
LOGIC
DRIVE
TYPE
FG
2
PGND
23
SG
1
0.2V
SW
20
PT
+
22
PGND
PT
–
21
V
INUV
REG
4V
SB
4V
SB
RQ
S
OT LATCH
4V
SB
V
CCUV
V
REF
1.24V
60k
+
A
–
V
IN
4V V
CC
V
IN
+
A
–
5V
DC
TO
30V
DC
V
IN
19
NDRV
18
SHDN
275k
g
m
= 5μS
V
CC
24
5V
DC
TO
10V
DC
REGSD
17
FB
OVP
PGOOD/OVP
0.6V
PGOOD
3
GND
12
3706 BD
••
PULSE
XFMR
3706fb
8
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