Datasheet

LTM4618
21
4618fa
TYPICAL APPLICATIONS
Figure 23. 4-Phase, Four Outputs (5V, 3.3V, 2.5V and 1.8V) with Tracking
4618 F23
V
IN
COMP TK/SS RUN
FREQ
V
OUT
V
FB
INTV
CC
MODE/PLLIN
LTM4618
SGND PGND
R1 11.5k
C
OUT1
100µF
C1 47pF
V
OUT1
5V/6A
R2 19.1k
R1 19.1k R5 60.4k
C
OUT2
100µF s2
C2 22pF
V
OUT2
3.3V/6A
V
IN
COMP TK/SS RUN
FREQ
V
OUT
V
FB
INTV
CC
MODE/PLLIN
LTM4618
SGND PGND
C6 0.22µF
C
IN1
10µF
V
IN
6V to 26.5V
ON/OFF
C
IN2
10µF
CLOCK SYNC 2 CLOCK SYNC 1
V
OUT1
ISOLATED
INTERMEDIATE BUS
+
C7 100µF 35V OPT
V
IN
COMP TK/SS RUN
FREQ
V
OUT
V
FB
INTV
CC
MODE/PLLIN
LTM4618
SGND PGND
R3 28.7k
C
OUT3
100µF s3
C3 47pF
V
OUT3
2.5V/6A
R4 48.7k
R11 48.7k R10 60.4k
C
OUT4
100µF s3
C4 47pF
V
OUT4
1.8V/6A
V
IN
COMP TK/SS RUN
FREQ
V
OUT
V
FB
INTV
CC
MODE/PLLIN
LTM4618
SGND PGND
C
IN3
10µF
C8 0.1µF
R6 68.1k
ON/OFF
C
IN4
10µF
CLOCK SYNC 4 CLOCK SYNC 3
V
OUT1
R9 28.7k R8 60.4k
V
OUT1
V
+
DIV PH OUT1 OUT2
SET
MOD
GND
OUT4 OUT3
U5
LTC6902
4-PHASE OSCILLATOR
48V
INPUT
PGOOD PGOOD
PGOOD PGOOD
EXTV
CC
EXTV
CC
EXTV
CC
EXTV
CC