LTM4603 LINER [Linear Technology], LTM4603 Datasheet - Page 8

• Manufacturer Part Number: LTM4603
• Description: 36VIN, 34VOUT High Efficiency Buck-Boost DC/DC
• Manufacturer: LINER [Linear Technology]

siMpliFieD block DiagraM
LTM4609
Decoupling requireMents
SYMBOL
C
C
8
IN
OUT
SHOWN IN FIGURE 15
TO PGND PLANE AS
ON/OFF
SS
0.1µF
PARAMETER
External Input Capacitor Requirement
(V
External Output Capacitor Requirement
(V
IN
IN
= 4.5V to 36V, V
= 4.5V to 36V, V
EXTV
INTV
PGOOD
RUN
STBYMD
COMP
SS
PLLIN
PLLFLTR
FCB
SGND
CC
CC
OUT
OUT
1000pF
0.1µF
100k
= 12V)
= 12V)
FILTER
COMP
INT
INT
Figure 1. Simplified LTM4609 Block Diagram
CONTROLLER
CONDITIONS
I
I
T
OUT
OUT
A
= 25°C. Use Figure 1 configuration.
= 4A
= 4A
M1
M2
M3
M4
FILTER
INT
CO1
100k
C1
SENSE
SENSE
MIN
R
200
10
PGND
SENSE
V
SW2
SW1
OUT
4609 BD
V
V
FB
IN
+
–
C
OUT
7.15k
C
TYP
R
300
IN
FB
R
L
SENSE
4.5V TO 36V
12V
4A
MAX
UNITS
4609fc
µF
µF