LTC3866 Datasheet, PDF (10/36 Pages) Linear Technology – Current Mode Synchronous Controller for Sub Milliohm DCR Sensing

LTC3866
Functional Block Diagram
MODE/PLLIN
ITEMP
EXTV_CC
4.7V
FREQ
TEMPSNS
MODE/SYNC
DETECT
F
0.6V
5.5V
REG
F
PLL-SYNC
CLKOUT
I_COMP
OSC
S
RQ
–
+ ^IREV
ILIM
SLOPE
COMPENSATION
INTV_CC
UVLO
1
R
I_THB
ACTIVE CLAMP
FCNT
ON
BURST EN
SWITCH
LOGIC
AND
ANTISHOOT-
THROUGH
RUN
OV
UV
SLEEP
V_IN
0.6V
REF
0.55V
SS
RUN
EA
0.5V
1.22V
OV
1.25µA
ITH _RC CC1
RUN TK/SS CSS
V_IN
INTV_CC
BOOST
+
V_IN
C_IN
TG
C_B
M1
SW
SNSA⁺
D_B
SNS^–
BG
M2
PGND
C_VCC
PGOOD
V_OUT
+
C_OUT
0.54V
V_FB
0.66V
SGND
R2
SNSD⁺
AMP
R1
DIFFOUT
DIFFAMP
V_OUT
40k
40k DIFFP
1µA/5.5µA
40k
40k ^DIFFN
3866 BD
3866fa
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