LTC3734 LINER [Linear Technology], LTC3734 Datasheet - Page 9

• Manufacturer Part Number: LTC3734
• Description: Single-Phase, High Efficiency DC/DC Controller for Intel Mobile CPUs
• Manufacturer: LINER [Linear Technology]

FU CTIO AL DIAGRA
R3
RUN
FREQSET
U
PGOOD
R2
R1
5V
+
110μs BLANKING
STP_CPUB
OSCILLATOR
OAOUT
SGND
U
V
V
PSIB
SV
OA
OA
DPRSLPVR
CC
+
–
0.5μA
VID CHANGE
R
5.33k
ATTEN
3V
CLK
0.60V
R
VID
MCH_PG
+
–
DPRSLPVR
MD
A1
+
–
–
–
V
+
+
REF
PSI
VID CHANGE
W
0.66V
V
0.54V
VID0
FB
R4
RDPSLP
VID1
6-BIT VID DECODER
VID2
6V
5.33(V
1.5μA
VID3
FB
SLOPE
COMP
)
VID4
I
S
R
1
–
+
VID5
STP_CPUB
Q
Q
–
DROP
OUT
DET
54k
5.33(V
+
SHDN
+
COMPOSITE
RST
FB
)
BOT
RUN
DPRSLPVR
PG
R6
RDPRSLP
TOP ON
–
SHDN
PSI
START
SOFT-
54k
RUN
OV
–
+
2.4V
EA
I
2
SWITCH
–
+
+
+
–
–
LOGIC
DELAY
V
FB
0.60V
0.66V
1.5V
DPRSLPVR
TOP
BOT
SV
CC
PV
PV
36k
36k
CC
CC
SENSE
SENSE
BOOST
RUN/SS
PGND
PV
SW
TG
BG
R5
I
TH
CC
MD
RBOOT
+
–
PV
CC
C
C
D
C2
C
C
B
B
L
C
R
SS
C
V
V
FB
IN
R
LTC3734
SENSE
D1
+
C
IN
9
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