Datasheet

LTM4611
9
4611fb
For more information www.linear.com/LTM4611
Decoupling reQuireMenTs
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
C
IN
External Input Capacitor Requirement
(V
IN
= 1.5V to 5.5V, V
OUT
= 1V)
I
OUT
= 15A 66 µF
C
OUT
External Output Capacitor Requirement
(V
IN
= 1.5V to 5.5V, V
OUT
= 1V)
I
OUT
= 15A 400 µF
T
A
= 25°C. Use Figure 1 configuration.
block DiagraM
Figure 1. Simplified LTM4611 Block Diagram
POWER
CONTROL
C
V
OUT
V
IN
1M
0.5%
60.4k
PLLFLTR/f
SET
RUN
V
FB
SGND
COMP
AS NEEDED
V
OUT_LCL
R2
R1
MODE_PLLIN
TRACK/SS
240k
C
SS
4611 F01
0.2µH
M1
V
OUT
V
OUT
1V
15A
V
IN
V
IN
1.5V TO 5.5V
M2
INTERNAL
COMP
INTERNAL
LOOP
FILTER
INTV
CC
DIFFV
OUT
V
OSNS
+
V
OSNS
–
GND
PGOOD
10k
10k
10k
10k
INTV
CC
INTV
CC
>1.35V = ON
<1.1V = OFF
ABS MAX = 6V
–
–
+
+
2µF
10µF
+
C
IN
C
OUT
+
10k
µPOWER BIAS
GENERATOR