LTC3780EG Datasheet, PDF (12/30 Pages) Linear Technology – High Efficiency, Synchronous,4-Switch Buck-Boost Controller

LTC3780
Block Diagram
STBYMD
FCB
1.2V
4(V_FB)
1.2µA
SS
RUN
100k
V_IN
+^6V
V_IN
5.7V
+
–
EXTV_CC
INTV_CC
SGND
12
I_LIM
+
–
I_REV
+
–
I_CMP
+
–
INTV_CC V_IN
BOOST2
FCB
TG2
BUCK
LOGIC
SW2
INTV_CC
BG2
PGND
BG1
FCB
BOOST
LOGIC
INTV_{CC SW1}
TG1
BOOST1
OV
0.86V
INTV_CC
V_OUT
SLOPE
V_REF
EA
V_OSENSE
V_FB
SHDN
RST
4(V_FB)
0.80V
I_TH
RUN/
SS
SENSE⁺
SENSE^–
PLLIN
PHASE DET
F_IN
50k
6V
LDO
REG
–
0.86V
+
INTERNAL
SUPPLY V_OSENSE
–
PLLFLTR
CLK
OSCILLATOR
PGOOD
R_LP
C_LP
+
0.74V
3780 BD
For more information www.linear.com/LTC3780
R_SENSE
3780ff