Datasheet

LTM4620A
2
4620afb
For more information www.linear.com/LTM4620A
PIN CONFIGURATION
ABSOLUTE MAXIMUM RATINGS
V
IN
(Note 8) .................................................–0.3V to 18V
V
SW1
, V
SW2
.................................................... –1V to 18V
PGOOD1, PGOOD2, RUN1, RUN2,
INTV
CC
, EXTV
CC
.......................................... –0.3V to 6V
MODE_PLLIN, f
SET
, TRACK1, TRACK2,
DIFFOUT, PHASMD ............................... –0.3V to INTV
CC
V
OUT1
, V
OUT2
, V
OUTS1
, V
OUTS2
..................... –0.3V to 6V
(Note 1)
ORDER INFORMATION
DIFFP, DIFFN ......................................... –0.3V to INTV
CC
COMP1, COMP2, V
FB1
, V
FB2
(Note 6) ........ –0.3V to 2.7V
INTV
CC
Peak Output Current ................................100mA
Internal Operating Temperature Range
(No
te 2)
............................................. –40°C to 125°C
Storage Temperature Range .................. –55°C to 125°C
Peak Package Body Temperature
(Mount on Top Side of PCB Only) ......................... 245°C
LGA PACKAGE
144-LEAD (15mm × 15mm × 4.41mm)
TOP VIEW
TEMP
CLKOUT
SW1
PHASMD
EXTV
CC
1 2 3 4 5 6 7 8 109 11 12
L
K
J
H
G
F
E
D
C
B
M
A
SW2
PGOOD1
PGOOD2
RUN2
TRACK2
INTV
CC
V
OUTS2
DIFFP
DIFFOUT
DIFFN
RUN1
TRACK1
MODE_PLLIN
V
FB1
V
OUTS1
f
SET
SGND
COMP1 COMP2
SGND
V
FB2
V
IN
V
OUT2
GND
GND
V
OUT1
SGND
GND
T
JMAX
= 125°C, θ
JA
= 7°C/W, θ
JCbottom
= 1.5°C/W,
θ
JCtop
= 3.7°C/W, θ
JB
+ θ
BA
≅ 7°C/W
θ VALUES DEFINED PER JESD 51-12
WEIGHT = 3.037g
BGA PACKAGE
144-LEAD (15mm × 15mm × 5.01mm)
TOP VIEW
TEMP
CLKOUT
SW1
PHASMD
EXTV
CC
1 2 3 4 5 6 7 8 109 11 12
L
K
J
H
G
F
E
D
C
B
M
A
SW2
PGOOD1
PGOOD2
RUN2
TRACK2
INTV
CC
V
OUTS2
DIFFP
DIFFOUT
DIFFN
RUN1
TRACK1
MODE_PLLIN
V
FB1
V
OUTS1
f
SET
SGND
COMP1 COMP2
SGND
V
FB2
V
IN
V
OUT2
GND
GND
V
OUT1
SGND
GND
T
JMAX
= 125°C, θ
JA
= 7°C/W, θ
JCbottom
= 1.5°C/W,
θ
JCtop
= 3.7°C/W, θ
JB
+ θ
BA
≅ 7°C/W
θ VALUES DEFINED PER JESD 51-12
WEIGHT = 3.232g
PART NUMBER PAD OR BALL FINISH
PART MARKING*
PACKAGE
TYPE
MSL
RATING
TEMPERATURE RANGE
(Note 2)DEVICE FINISH CODE
LT M 4620AEV#PBF Au (RoHS) LT M 4620AV e4 LGA 3 –40°C to 125°C
LT M 4620AIV#PBF Au (RoHS) LT M 4620AV e4 LGA 3 –40°C to 125°C
LT M 4620AEY#PBF SAC305 (RoHS) LT M 4620AY e1 BGA 3 –40°C to 125°C
LT M 4620AIY#PBF SAC305 (RoHS) LT M 4620AY e1 BGA 3 –40°C to 125°C
LT M 4620AIY SnPb (63/37) LT M 4620AY e0 BGA 3 –40°C to 125°C
Consult Marketing for parts specified with wider operating temperature
ranges. *Device temperature grade is indicated by a label on the shipping
container. Pad or ball finish code is per IPC/JEDEC J-STD-609.
• Terminal Finish Part Marking:
www.linear.com/leadfree
• Recommended LGA and BGA PCB Assembly and Manufacturing
Procedures:
www
.
linear.com/umodule/pcbassembly
• LGA and BGA Package and T
ray Drawings:
www.linear.com/packaging