LTC3617_15 Datasheet, PDF (8/20 Pages) Linear Technology – 6A Monolithic Synchronous Step-Down Regulator for DDR Termination

LTC3617
FUNCTIONAL Block Diagram
RUN
19
18
2
1
20
23
SV_IN SGND
RT
SYNC ITH
BANDGAP
AND
BIAS
OSCILLATOR
SV_IN – 0.3V
ITH SENSE
COMPARATOR
+
INTERNAL
COMPENSATION
–
4 10 11 17
PV_IN PV_IN PV_IN PV_IN
CURRENT
SENSE
VTTR
3
VDDQIN
–
24
+
ITH
LIMIT
PMOS CURRENT
COMPARATOR
V_FB
22
SOFT-START
+
–
ERROR
AMPLIFIER
1.08V_DDQIN/2 +
–
+
0.92V_DDQIN/2 –
V_TTR +
0.45V –
PGOOD
21
SLOPE
COMPENSATION
LOGIC
REVERSE CURRENT
COMPARATOR
I_REV
DRIVER
SW
5
SW
6
SW
7
SW
8
SW
13
SW ₁₄
SW ₁₅
SW ₁₆
PGND ₂₅
EXPOSED PAD
3617 BD
3617fa
8