LTC1929-PG LINER [Linear Technology], LTC1929-PG Datasheet - Page 9
LTC1929-PG
Manufacturer Part Number
LTC1929-PG
Description
2-Phase, High Efficiency,Synchronous Step-Down Switching Regulators
Manufacturer
LINER [Linear Technology]
Datasheet
1.LTC1929-PG.pdf
(28 pages)
- Current page: 9 of 28
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FU CTIO AL DIAGRA
LTC1929-PG OPTIONAL PGOOD HOOKUP
LTC1929 ONLY
R
C
DIFFOUT
F
LP
LP
IN
V
V
OS
OS
U
–
+
V
IN
5V
+
PLLFLTR
DIFFOUT
AMPMD
EXTV
INTV
PLLIN
SGND
V
V
V
OS
OS
IN
CC
–
+
CC
50k
U
–
+
OSCILLATOR
A1
4.7V
0V POSITION
PHASE DET
+
–
PGOOD
0.8V
CLK1
CLK2
INTERNAL
SUPPLY
–
+
V
LDO
REG
5V
REF
A1
W
DUPLICATE FOR SECOND
CONTROLLER CHANNEL
V
IN
–
+
–
+
1.2 A
6V
4(V
0.86V
EAIN
0.74V
FB
SLOPE
COMP
)
I
S
R
1
–
+
Q
Q
–
DROP
OUT
DET
45k
+
4(V
SHDN
FB
)
BOT
FORCE BOT
SHDN
START
SOFT-
45k
RUN
LTC1929/LTC1929-PG
OV
2.4V
EA
SWITCH
–
+
+
–
LOGIC
V
FB
0.80V
0.86V
TOP
BOT
INTV
CC
INTV
30k
30k
CC
SENSE
SENSE
RUN/SS
BOOST
PGND
EAIN
SW
TG
BG
I
TH
+
–
C
C
INTV
R
R2
SENSE
R1
CC
C
R
SS
L
C
C
D
B
B
V
IN
+
9
C
IN
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