Datasheet

9
LTC1629-6
16296f
FU CTIO AL DIAGRA
UU
W
SWITCH
LOGIC
0.6V
4.7V
5V
V
IN
V
IN
CLK2
CLK1
+
–
–
+
V
REF
PHASE LOGIC
INTERNAL
SUPPLY
PHASMD
±2µA
EXTV
CC
INTV
CC
SGND
+
5V
LDO
REG
SW
SHDN
TOP
BOOST
TG
C
B
C
IN
D
B
PGND
BOT
BG
INTV
CC
INTV
CC
V
IN
+
V
OUT
1629 FBD
R1
EAIN
DROP
OUT
DET
RUN
SOFT
START
BOT FCB
FORCE BOT
S
R
Q
Q
OSCILLATOR
PLLLPF
50k
EA
0.66V
0.60V
OV
1.2µA
6V
R2
–
+
R
C
RST
SHDN
RUN/SS
I
TH
C
C
C
SS
5(V
FB
)
0.86V
SLOPE
COMP
+
–
SENSE
–
SENSE
+
INTV
CC
30k
45k
2.4V
45k
30k
I1
PHASE DET
PLLIN
CLKOUT
DUPLICATE FOR
SECOND
CONTROLLER
CHANNEL
+–
R
SENSE
L
C
OUT
+
F
IN
R
LP
C
LP
A1
+
–
DIFFOUT
V
OS
+
V
OS
–
0.54V
0.66V
+
–
+
–
EAIN
PGOOD
40k 40k
40k 40k