Datasheet

LTM4619
20
4619fb
For more information www.linear.com/LTM4619
Typical applicaTions
Figure 21. 4-Phase, Four Outputs (5V, 3.3V, 2.5V and 1.8V) with Tracking
4619 F21
V
IN
V
FB1
COMP1
V
OUT1
TK/SS1
RUN1
PGOOD
FREQ/PLLFLTR
V
FB2
COMP2
V
OUT2
TK/SS2
RUN2
EXTV
CC
INTV
CC
MODE/PLLIN
LTM4619
CLOCK SYNC, 0° PHASE
CLOCK SYNC, 90° PHASE
SGND PGND
R3
11.5k
C4
22µF
C5
220µF
V
OUT2
3.3V/4A
C1
0.1µF
R4
19.1k
C10
22pF
C11
22pF
R1
60.4k
R2
19.1k
V
OUT1
+
C3
22µF
C2
220µF
V
OUT1
5V/4A
+
V
IN
V
FB1
COMP1
V
OUT1
TK/SS1
RUN1
PGOOD
FREQ/PLLFLTR
V
FB2
COMP2
V
OUT2
TK/SS2
RUN2
EXTV
CC
INTV
CC
MODE/PLLIN
LTM4619
SGND PGND
R7
28k
C6
22µF
C7
220µF
V
OUT4
1.8V/4A
R8
48.7k
C12
22pF
C13
22pF
R5
60.4k
R6
48.7k
V
OUT1
R10
60.4k
R11
28k
V
OUT1
+
C8
22µF
C9
220µF
V
OUT3
2.5V/4A
+
C
IN2
10µF
2x
C
IN1
330µF
V
IN
6V TO 26.5V
+
V
+
GND
SET
OUT1
OUT2
MOD
LTC6908-2
C3
0.1µF
R9
143k
ON/OFF
2 PHASE OSCILLATOR