ltc3729euh-trpbf Linear Technology Corporation, ltc3729euh-trpbf Datasheet - Page 9
ltc3729euh-trpbf
Manufacturer Part Number
ltc3729euh-trpbf
Description
550khz, Polyphase, High Efficiency, Synchronous Step-down Switching Regulator
Manufacturer
Linear Technology Corporation
Datasheet
1.LTC3729EUH-TRPBF.pdf
(28 pages)
- Current page: 9 of 28
- Download datasheet (343Kb)
FU CTIO AL DIAGRA
R
C
F
LP
LP
IN
U
V
IN
5V
+
PHASMD
DIFFOUT
CLKOUT
PLLLPF
PGOOD
EXTV
INTV
PLLIN
SGND
V
V
V
OS
OS
IN
CC
–
+
CC
50k
2 A
U
40k
40k
PHASE LOGIC
OSCILLATOR
4.7V
PHASE DET
40k
+
–
40k
0.80V
+
–
A1
CLK1
CLK2
INTERNAL
–
–
+
+
SUPPLY
V
LDO
REG
5V
REF
0.86V
EAIN
0.74V
W
DUPLICATE FOR SECOND
CONTROLLER CHANNEL
1.2 A
6V
4(V
0.86V
FB
SLOPE
COMP
)
I1
S
R
–
+
Q
Q
–
DROP
OUT
DET
45k
+
4(V
SHDN
RST
FB
)
BOT
FORCE BOT
SHDN
FCB
START
45k
SOFT
RUN
OV
2.4V
EA
SWITCH
–
+
+
–
LOGIC
0.80V
0.86V
TOP
BOT
INTV
CC
INTV
30k
30k
CC
SENSE
SENSE
BOOST
RUN/SS
PGND
EAIN
SW
TG
BG
I
TH
+
–
C
C
INTV
R
R2
SENSE
R1
CC
C
R
D
SS
L
C
C
B
LTC3729
B
V
IN
sn3729 3729fas
+
9
C
IN
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