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LTM4686BIVPBF Datasheet(PDF) 70 Page - Analog Devices

Part # LTM4686BIVPBF
Description  Ultrathin Dual 14A or Single 28A 關Module Regulator with Digital Power System Management
PDF  130 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

LTM4686BIVPBF Datasheet(HTML) 70 Page - Analog Devices

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LTM4686B
70
Rev. 0
For more information www.analog.com
• Do not put vias directly on pads, unless they are capped
or plated over.
• Use a separate SGND copper plane for components
connected to signal pins. Connect SGND to GND local
to the LTM4686B.
• For parallel modules, tie the VOUTn, VOSNS0+/VOSNS–
and/or VOSNS1/SGND voltage-sense differential pair
APPLICATIONS INFORMATION
Figure 28. Recommended PCB Layout Package Top View
lines, RUNn, GPIOn, COMPna, SYNC and SHARE_CLK
pins together—as shown in Figure 32.
• Bring out test points on the signal pins for monitoring.
Figure 28a shows a good example of the LTM4686B’s rec-
ommended layout. For flexibility, the LTM4686B is drop-in
pin-compatible to its taller, larger dual 13A LTM4676A
and dual 18A LTM4677 sibling modules—as seen in the
layout recommended by Figure 28b.
1
2
3
4
5
6
7
8
9
M
L
K
J
H
G
F
E
D
C
B
A
SGND
9
8
7
6
5
COUT0
GND
COUT1
CIN1
CIN0
VIN0
VIN1
GND
GND
4
3
2
1
A
B
C
D
E
F
G
GND
VOUT1
VOUT0
H
J
K
L
M
VOUT0
VIN0
GND
GND
GND
SGND
GND
GND
GND
GND
VOUT1
VIN1
SGND
9
8
7
6
5
COUT0
GND
COUT1
CIN1
CIN0
VIN0
VIN1
GND
GND
4
3
2
1
A
B
C
D
E
F
G
CNTRL
VOUT1
4686B F28ab
VOUT0
H
J
K
L
M
(a) PCB Layout for LTM4686B, LTM4686 and LTM4675, Package Top View
9
8
7
6
5
4
3
2
1
(b) PCB Layout to Accommodate Any of LTM4686B or LTM4686 or LTM4675 or LTM4676A or LTM4677 Modules
VIN0
VIN1
VOUT0
VOUT1
A
B
C
D
E
F
G
H
J
K
L
M
GND
GND
GND
GND
GND



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