Block Diagram
LTM4606
>1.9V = ON
<1V = OFF
MAX = 5V
RUN
PGOOD
COMP
RFB
19.1k
SGND
MARG1
MARG0
VFB
fSET
FCB
MPGM
TRACK/SS
CSS
PLLIN
INTVCC
DRVCC
VOUT
INTERNAL
COMP
60.4k
5.1V
ZENER
POWER CONTROL
41.2k
10k
50k 50k
1.5µF
INPUT
FILTER
+
VIN
4.5V TO 28V
CIN
VD
CD
M1
1µH
VOUT
2.5V
AT 6A
NOISE
CANCEL-
LATION
M2
22µF
+
COUT
PGND
4.7µF
50k
4606 F01
Figure 1. Simplified Block Diagram
decoupling requirements TA = 25°C. Use Figure 1 configuration.
SYMBOL
CIN
COUT
PARAMETER
External Input Capacitor Requirement
(VIN = 4.5V to 28V, VOUT = 2.5V)
External Output Capacitor Requirement
(VIN = 4.5V to 28V, VOUT = 2.5V)
CONDITIONS
IOUT = 6A
IOUT = 6A
MIN TYP MAX UNITS
10
µF
100
200
µF
4606fb
9