LTC3734 Datasheet, PDF (9/28 Pages) Linear Technology – Single-Phase, High Efficiency DC/DC Controller for Intel Mobile CPUs

W
FU CTIO AL DIAGRA
R3
MCH_PG
R4
RDPSLP
LTC3734
STP_CPUB
R6
RDPRSLP
DPRSLPVR
R5
RBOOT
FREQSET
CLK
OSCILLATOR
MD
DELAY
COMPOSITE
PG
PGOOD
RUN
STP_CPUB
DPRSLPVR
VID CHANGE
110μs BLANKING
V_OA+
R2
V_OA–
R1
OAOUT
A1
+
–
0.66V
V_FB
0.54V
BOOST
DROP
OUT
DET
SQ
RQ
BOT PSI
TOP ON
TG
TOP
SW
SWITCH
LOGIC
PV_CC
BG
BOT
DPRSLPVR
SHDN
PGND
PV_CC
PV_CC
I₁
–+
– ^I2
+
SV_CC
36k ^SENSE+
3V
0.5μA
PSIB
0.60V
+
PSI
–
V_REF
5.33(V_FB)
SLOPE
COMP
SV_CC
5V
+
SGND
R_ATTEN
5.33k
DPRSLPVR
MD
VID CHANGE
1.5μA
6V
6-BIT VID DECODER
54k
SHDN
RST
5.33(V_FB)
36k ^SENSE–
54k
2.4V
EA
OV
V_FB
0.60V
0.66V
I_TH
RUN
SOFT-
START
RUN/SS
RUN
1.5V
PV_CC
V_IN
D_B
C_B
+
D1
C_IN
C_OUT
R_SENSE
L
V_FB
C_C
C_C2 R_C
C_SS
V_OUT
R_VID
VID0 VID1 VID2 VID3 VID4 VID5
3735 FD
3734f
9