Datasheet

LTC3788-1
10
37881fc
BLOCK DIAGRAM
SWITCHING
LOGIC
AND
CHARGE
PUMP
+
–
4.8V
3.8V
VBIAS
V
IN
C
IN
INTV
CC
PLLIN/
MODE
PGOOD1
+
–
1.32V
1.08V
+
–
–
–
+
–
+
VFB1
EXTV
CC
5.4V
LDO
VCO
PFD
SW
0.425V
SENS LO
BOOST
TG
C
B
C
OUT
V
OUT
D
B
PGND
BG
INTV
CC
VFB
S
R
Q
EA
1.32V
SS
1.2V
R
SENSE
10µA
SHDN
–
+
SHDN
2.5V
–
+
R
C
SS
SENS
LO
ITH
C
C
C
SS
C
C2
0.7V
2.8V
SLOPE COMP
2mV
+
–
–
+
SENSE
–
SENSE
+
SLEEP
SHDN
CLK2
CLK1
RUN
SGND
INTV
CC
FREQ
DUPLICATE FOR SECOND CONTROLLER CHANNEL
+
–
+
–
L
+
–
EN
5.4V
LDO
EN
37881 BD
20µA
100k
SYNC
DET
OV
0.5µA/
4.5µA
11V