ltc1629-6 Linear Technology Corporation, ltc1629-6 Datasheet - Page 9

• Manufacturer Part Number: ltc1629-6
• Description: Polyphase, Synchronous Step-down Switching Regulator
• Manufacturer: Linear Technology Corporation

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