LTC3785 LINER [Linear Technology], LTC3785 Datasheet - Page 10

• Manufacturer Part Number: LTC3785
• Description: High Efficiency, Synchronous, 4-Switch Buck-Boost Controller
• Manufacturer: LINER [Linear Technology]

LTC3789
block DiagraM
10
V
F
IN
+
5.5V
IN
RUN
MODE/
PLLIN
V
EXTV
INTV
FREQ
SGND
IN
CC
220k
CC
CHARGE
CHARGE
PUMP
PUMP
1.2µA
4.8V
SHDN
PHASE DET
OSCILLATOR
V
FLD
10µA
+
–
BOOST1
BOOST2
INTERNAL
SUPPLY
SW1
5.5V
LDO
REG
V
IN
SLOPE
+
–
+
–
+
–
EXTV
5.5V
LDO
REG
CC
I
I
DREV
I
CMP
REV
0.86V
V
0.74V
FB
–
+
–
+
I
OS
FCB
FCB
3µA
OV
EA
BOOST
LOGIC
LOGIC
BUCK
+
–
–
–
–
+
+
OV
INTV
INTV
0.80V
I
I
BOOST1
BOOST2
CC
CC
OSENSE
OSENSE
SENSE
SENSE
PGOOD
PGND
SW1
SW2
BG1
BG2
TG1
TG2
I
V
LIM
I
SS
TH
FB
+
–
+
–
3789 BD
INTV
INTV
CC
CC
V
IN
R
+
SENSE2
V
OUT
R
SENSE
3789f