Datasheet

LTM4637
23
4637fc
For more information www.linear.com/LTM4637
applicaTions inForMaTion
Figure 21. Recommended PCB Layout
(LGA Shown, for BGA Use Circle Pads)
GND
V
IN
CONTROL
4637 F21
CONTROL
CONTROL
SIGNAL
GROUND
V
OUT
V
OUT
C
OUT
C
OUT
C
IN
C
IN
Typical applicaTions
Figure 22. 4.5V to 20V
IN
, 1.5V at 20A Design
COMP
TRACK/SS
RUN
f
SET
MODE_PLLIN
TEMP
PGOOD
V
OUT
V
OUT_LCL
DIFF_OUT
V
OSNS
+
V
OSNS
–
V
FB
LTM4637
V
IN
R1
10k
R
FB
40.2k
R3
75k
R
T
V
IN
C
IN
22µF
25V
×4
C
FF
330pF
2.2µF
C7
0.1µF
470µF
6.3V
×2
100µF
6.3V
×2
V
OUT
1.5V
20A
C
OUT1
*
C
OUT2
*
INTV
CC
INTV
CC
EXTV
CC
CONTINUOUS
MODE
*SEE TABLE 5
4627 F22
V
IN
4.5V TO 20V
SGND GND
+
A/D
R
T
=
V
IN
– 0.6V
100µA