ltm4608a Linear Technology Corporation, ltm4608a Datasheet - Page 21

• Manufacturer Part Number: ltm4608a
• Description: Low Vin, 8a Dc/dc ?module With Tracking, Margining, And Frequency Synchronization
• Manufacturer: Linear Technology Corporation

APPLICATIONS INFORMATION
SHDN
SHDN
2.5V TO 5.5V
MMSD4148
MMSD4148
D1
D2
Figure 20. Dual LTM4608A Output Sequencing Application
V
IN
V
5V
IN
R1
100k
Figure 21. 2.5V to 5.5V
PHMODE
10μF
MODE
V
SV
SW
RUN
PLLLPF
TRACK
MODE
PHMODE
V
SV
SW
RUN
PLLLPF
TRACK
MODE
PHMODE
V
SV
SW
RUN
PLLLPF
TRACK
MODE
PHMODE
CLKOUT GND
CLKOUT GND
CLKOUT GND
IN
IN
IN
IN
IN
IN
LTM4608A
LTM4608A
LTM4608A
CLKIN
CLKIN
CLKIN
CLKIN
CLKIN
IN
SGND
SGND
SGND
PGOOD
PGOOD
PGOOD
, 1.2V
BSEL
BSEL
V
V
BSEL
MGN
MGN
V
MGN
I
I
I
THM
THM
THM
OUT
OUT
OUT
I
I
I
FB
FB
TH
TH
FB
TH
OUT
4608A F21
PGOOD
BSEL
1.2V
Design
R2
100k
R
6.65k
10k
100k
100k
3.3V
FB2
1.5V
100pF
C3
22pF
R
2.21k
C1
100μF
6.3V
X5R
FB1
C2
100pF
C2
100μF
6.3V
X5R
SHDN
3.3V
1.5V
+
C4
100μF
SANYO
POSCAP
10mΩ
100μF
6.3V
X5R
C1
100μF
6.3V
X5R
4608A F20
LTM4608A
V
1.2V/8A
5A AT
2.5V INPUT
OUT
V
3.3V
7A
V
1.5V
8A
OUT2
OUT1
21
4608af