LTM4622A
2
Rev B
For more information
PIN CONFIGURATION
ABSOLUTE MAXIMUM RATINGS
V
IN1
, V
IN2
................................................... –0.3V to 22V
V
OUT
........................................................... –0.3V to 16V
PGOOD1, PGOOD2 ..................................... –0.3V to 18V
RUN1, RUN2 .................................... –0.3V to V
IN
+ 0.3V
INTV
CC
, TRACK/SS1, TRACK/SS2 ............ –0.3V to 3.6V
SYNC/MODE, COMP1, COMP2,
FB1, FB2 ........................................... –0.3V to INTV
CC
Operating Internal Temperature Range
(Note 2) ............................................. –40°C to 125°C
Storage Temperature Range .................. –55°C to 125°C
Peak Solder Reflow Body Temperature .................260°C
(Note 1)
(See Pin Functions, Pin Configuration Table)
ORDER INFORMATION
PART NUMBER
PAD OR BALL FINISH
PART MARKING*
PACKAGE
TYPE
MSL
RATING
TEMPERATURE RANGE
(Note 2)
DEVICE
FINISH CODE
LTM4622AEV#PBF
Au (RoHS)
LTM4622AV
e4
LGA
4
–40°C to 125°C
LTM4622AIV#PBF
Au (RoHS)
LTM4622AV
e4
LGA
4
–40°C to 125°C
LTM4622AEY#PBF
SAC305 (RoHS)
LTM4622AY
e1
BGA
4
–40°C to 125°C
LTM4622AIY#PBF
SAC305 (RoHS)
LTM4622AY
e1
BGA
4
–40°C to 125°C
LTM4622AIY
SnPb (63/37)
LTM4622AY
e0
BGA
4
–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.
• Pb-free and Non-Pb-free Part Markings:
• Recommended LGA and BGA PCB Assembly and Manufacturing
Procedures:
www.linear.com/umodule/pcbassembly
• LGA and BGA Package and Tray Drawings:
LGA PACKAGE
25-LEAD (6.25mm
×
6.25mm
×
1.82mm)
TOP VIEW
COMP2
SYNC/
MODE
FREQ
V
OUT1
FB1
PGOOD1
TRACK/SS1
A
5
1
2
3
4
PGOOD2
FB2
TRACK/SS2
INTV
CC
RUN2
B
C
D
E
COMP1
GND
GND
RUN1
GND
V
IN1
V
IN1
V
IN2
V
IN2
V
OUT2
T
JMAX
= 125°C,
θ
JCtop
= 17°C/W,
θ
JCbottom
= 11°C/W,
θ
JB
+
θ
BA
= 22°C/W,
θ
JA
= 22°C/W,
WEIGHT = 0.21g
BGA PACKAGE
25-LEAD (6.25mm
×
6.25mm
×
2.42mm)
TOP VIEW
COMP2
SYNC/
MODE
FREQ
V
OUT1
FB1
PGOOD1
TRACK/SS1
A
5
1
2
3
4
PGOOD2
FB2
TRACK/SS2
INTV
CC
RUN2
B
C
D
E
COMP1
GND
GND
RUN1
GND
V
IN1
V
IN1
V
IN2
V
IN2
V
OUT2
T
JMAX
= 125°C,
θ
JCtop
= 17°C/W,
θ
JCbottom
= 11°C/W,
θ
JB
+
θ
BA
= 22°C/W,
θ
JA
= 22°C/W,
WEIGHT = 0.25g