LTC3633 LINER [Linear Technology], LTC3633 Datasheet - Page 10

• Manufacturer Part Number: LTC3633
• Description: Dual Channel 3A, 15V Monolithic Synchronous Step-Down Regulator
• Manufacturer: LINER [Linear Technology]

LTC3633
BLOCK DIAGRAM
10
R
R
C
RT
C
C1
ITH
PGOOD
RT
PHMODE
CHANNEL 1
CHANNEL 2 (SAME AS CHANNEL 1)
SELECT
COMP
OSC1
SELECT
PHASE
OSC
OSC1
OSC2
CONTROLLER
V
I
ON
IN
PLL-SYNC
OSC
0V
UV
–
–
+
+
180k
0.72V
I
ON
0.552V
0.648V
TRACK
0.48V AT START-UP
0.10V AFTER START-UP
t
+
ON
A
I
=
V
CMP
= 1
V
I
VON
ION
+
–
V
–
ON
SS
6V
–
R
S Q
I
REV
EA
+
–
+
FC
ON
BURST
+
THROUGH
SWITCH
PV
SHOOT
LOGIC
ANTI-
RUN
AND
RUN
IN1
SELECT
MODE
RUN
1.25V
–
3.3V
REG
SENSE
SENSE
IDEAL DIODES
INTV
TG
BG
–
+
CC
2.5V
REG
SOFT-START
INTERNAL
INTV
0.6V
REF
M1
M2
V
CC
MODE/SYNC
IN
1.4μA
TRACKSS
BOOST
INTV
SGND
PGND
V2P5
C
IN
SW
FB
CC
3633 BD
C
C
C
BOOST
SS
VCC
L1
R2
R1
3633f
C
OUT