ltm4616 Linear Technology Corporation, ltm4616 Datasheet - Page 8

• Manufacturer Part Number: ltm4616
• Description: Dual 8a Per Channel Low Vin Dc/dc ?module
• Manufacturer: Linear Technology Corporation

LTM4616
SIMPLIFIED BLOCK DIAGRAM
8
PGND1
PGND2
V
V
OUT1
OUT2
PHMODE1
PHMODE2
CLKOUT1
CLKOUT2
PGOOD1
PLLLPF1
PGOOD2
PLLLPF2
TRACK1
TRACK2
MODE1
CLKIN1
MODE2
CLKIN2
SGND1
SGND2
BSEL1
BSEL2
MGN1
MGN2
SV
RUN1
I
SV
RUN2
I
THM1
THM2
I
I
TH1
TH2
IN1
IN2
50k
50k
INTERNAL
INTERNAL
COMP
COMP
V
IN1
Figure 1. Simplifi ed LTM4616 Block Diagram
M
H
G
D
L
K
J
F
E
C
B
A
INTERNAL
INTERNAL
FILTER
FILTER
1
2
V
IN2
3
4
LOOKING THROUGH COMPONENT
INTERNAL
INTERNAL
CONTROL
CONTROL
POWER
POWER
FILTER
FILTER
TOP VIEW OF LGA PINOUT
SGND2 & CONTROL
SGND1 & CONTROL
5
6
SW1, I/O & CONTROL
7
8
9
10
V
OUT2
M1
M2
M3
M4
11
4616 F01
12
GND2
GND1
V
L
L
10μF
10μF
SW2,
I/O & CONTROL
OUT1
10μF
10μF
10μF
10μF
10k
10k
10μF
10μF
4616 BD
+
+
+
+
SW1
SW2
R
6.65k
R
10k
SET1
SET2
C
C
C
C
IN1
IN2
OUT1
OUT2
PGND1
PGND2
V
3V TO 5.5V
V
1.5V
8A
PGND1
FB1
V
1.2V
8A
PGND2
FB2
V
3V TO 5.5V
IN1
OUT1
OUT2
IN2
4616f