LTC3816_15 Datasheet, PDF (14/44 Pages) Linear Technology – Single-Phase Wide VIN Range DC/DC Controller for Intel IMVP-6/IMVP-6.5 CPUs

LTC3816
Functional Diagram
3.3V
1.9k
3.3V
1.9k
1.1V
56Ω
C_INTVCC
PWRGD
CLKEN#
VRTT#
DPRSLPVR LFF
EXTV_CC INTV_CC
V_IN
EN CLK
–
PWRGD
+
4.7V
LDO
VID0-VID6
C_SLEW
CSLEW
BANDGAP
CHIP TSD
10µA/40µA
INTV_CC
MODE/SYNC
R_FREQ
RFREQ
1µA
10µA
VR_ON
1µA
+
ON
1.2V –
INTV_CC
SS
C_SS
1µA
OC FAULT
OV FAULT
TSD
0.5V/1.6V _INTVCC
DAC
1µA
100µA
0.47V
RPTC
BOOST
TG
PWRGD
V_IN
EN CLK
SAW ₊
LFF ^P–^WM
LOGIC
SW
INTV_CC
BG
BSOURCE
DELAY
AND
LATCH
POWER
DOWN –_OVP+
OVF
INTV_CC
I_REV
–I_LIM+
10µA
I_SENP
DAC
1.65V/1.53V
+ 25mV _IMVP-6
I_MAX
I_SENN
–NPG+ PPG
1x
2.4V INTVCC
V_AVP
+
–
DAC + 0.175V
DAC – 0.270V
DA OUT
1.3V ^{DAC – V}AVP
EA
DAMP
AITC ITCFB
I_TC
PREI_MON
I_MON
V_SS(SEN)
V_CC(SEN)
+ ^VIN
C_IN
INTV_CC
D_B
C_B
PTC
Q_T
D
Q_B
L
+
V_OUT
NTC
C_OUT
R_IMAX
R_IDCR
C_IDCR
R_AVPDCRN
R_SER
R_PAR
R_PREIMON
C_VDCR
R_IMON
I_MON
C_IMON
GND
COMP
V_FB
SERVO
C_C
R_C
R1
C_C1
C_FF
Figure 1. Functional Diagram
3816f
14