LTC3780
框图
INTV
CC
V
IN
STBYMD
FCB
FCB
巴克
逻辑
BOOST2
TG2
SW2
INTV
CC
BG2
R
SENSE
保护地
+
–
I
LIM
+
–
1.2V
4(V
FB
)
I
转
BG1
FCB
BOOST
逻辑
I
CMP
INTV
CC
SW1
TG1
+
1.2μA
SS
BOOST1
OV
–
–
+
0.86V
INTV
CC
V
OUT
RUN
坡
100k
EA
–
+
V
OSENSE
V
FB
0.80V
I
TH
SHDN
RST
4(V
FB
)
运行/
SS
SENSE
+
SENSE
–
V
REF
V
IN
V
IN
PLLIN
PHASE DET
50k
F
IN
5.7V
+
–
CLK
6V
LDO
REG
0.86V
振荡器
PLLFLTR
R
LP
C
LP
SGND
国内
电源V
OSENSE
0.74V
+
+
6V
INTV
CC
+
–
PGOOD
EXTV
CC
–
3780 BD
3780fe
11
