LTC3726 Просмотр технического описания (PDF) - Linear Technology
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LTC3726 Datasheet PDF : 16 Pages
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BLOCK DIAGRA
LTC3726
IS+
2×
11
+
32×
IS–
–
10
2V
+
C
–
+
C
–
ITH
5
0.60V
FB/PHASE
4
SLP
7
FS/SYNC
9
+
EA
–
gm = 2.8mS
RUN/SS
MODE
3
DRIVE/DMAX
CONTROL
0.25V
+
C
–
2.5V
SLOPE
COMP 1
BLANK
OSC
AND DMAX
PLL
ITRP
WAIT
OVP
SKIP
BLANK
RESET
DOMINANT
R
Q
S
DMAX
PWM
+
OC
C
3.2V –
OVERCURRENT
RUN/SS
6
FB
VCCUV
4VSB
SOFT-
START
WAIT
UVLO
VCCUV
REG
4VSB
VREF
VCC
VCC
WAIT
OVP
ZERO
CROSSING
DETECT
VCC
DRIVER
ENCODING
AND
VCC
LOGIC
DRIVE
TYPE
FG
2
PGND
13
SG
1
0.2V
SW
12
PT+
15
PGND
PT –
14
••
PULSE
XFMR
1.24V
VCC
19
3726 BD
OC
GND
8
3726fb
7
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