LTM4628
absoluTe MaxiMuM raTings
(Note 1)
V
IN
............................................................. –0.3V to 28V
V
SW1
, V
SW2
....................................................–1V to 28V
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
DIFFP, DIFFN ......................................... –0.3V to INTV
CC
V
FB1
, V
FB2
, COMP1, COMP2 (Note 6)........ –0.3V to 2.7V
INTV
CC
Peak Output Current ................................100mA
Internal Operating Temperature Range
(Note 2).................................................. –40°C to 125°C
Storage Temperature Range .................. –55°C to 125°C
Peak Package Body Temperature .......................... 245°C
pin conFiguraTion
TOP VIEW
M
L
K
TEMP
EXTV
CC
V
IN
TOP VIEW
M
V
IN
L
K
TEMP
EXTV
CC
INTV
CC
SW1
PHASMD CLKOUT
MODE_PLLIN RUN1
GND
SGND
PGOOD2 PGOOD1
DIFFOUT RUN2
DIFFP
TRACK2
DIFFN
GND
SW2
J
H
SW1
INTV
CC
PHASMD CLKOUT
MODE_PLLIN RUN1
GND
SGND
PGOOD2 PGOOD1
DIFFOUT RUN2
DIFFP
TRACK2
DIFFN
GND
SW2
J
H
G
F
E
D
C
B
V
OUT1
GND
V
OUT2
V
OUT1
GND
V
OUT2
TRACK1 COMP1 COMP2
V
FB1
V
OUTS1
SGND
f
SET
V
FB2
G
F
E
D
C
B
A
1
2
TRACK1 COMP1 COMP2
V
FB1
V
OUTS1
SGND
f
SET
V
FB2
SGND V
OUTS2
SGND V
OUTS2
A
12
1
2
3
4
5
6
7
8
9
10
11
12
3
4
5
6
7
8
9
10
11
LGA PACKAGE
144-LEAD (15mm
×
15mm
×
4.32mm)
T
JMAX
= 125°C,
θ
JCtop
= 17°C/W,θ
JCbottom
= 2.75°C/W,
θ
JB
+
θ
BA
= 11°C/W,
θ
JA
= 9.5°C/W–11°C/W,
θ
BA
= BOARD TO AMBIENT RESISTANCE,
θ
VALUES DEFINED PER JESD 51-12
WEIGHT = 2.7g
BGA PACKAGE
144-LEAD (15mm
×
15mm
×
4.92mm)
T
JMAX
= 125°C,
θ
JCtop
= 17°C/W,θ
JCbottom
= 2.75°C/W,
θ
JB
+
θ
BA
= 11°C/W,
θ
JA
= 9.5°C/W–11°C/W,
θ
BA
= BOARD TO AMBIENT RESISTANCE,
θ
VALUES DEFINED PER JESD 51-12
WEIGHT = 2.9g
orDer inForMaTion
LEAD FREE FINISH
LTM4628EV#PBF
LTM4628IV#PBF
LTM4628EY#PBF
LTM4628IY#PBF
TRAY
LTM4628EV#PBF
LTM4628IV#PBF
LTM4628EY#PBF
LTM4628IY#PBF
PART MARKING*
LTM4628V
LTM4628V
LTM4628Y
LTM4628Y
PACKAGE DESCRIPTION
144-Lead (15mm × 15mm × 4.32mm) LGA
144-Lead (15mm × 15mm × 4.32mm) LGA
144-Lead (15mm × 15mm × 4.92mm) BGA
144-Lead (15mm × 15mm × 4.92mm) BGA
TEMPERATURE RANGE
†
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
Consult LTC Marketing for parts specified with wider operating temperature ranges.
*The temperature grade is identified by a label on the shipping container.
†
See Note 2.
For more information on lead free part marking, go to:
http://www.linear.com/leadfree/
This product is only offered in trays. For more information go to:
http://www.linear.com/packaging/
4628fd
2
LINEAR_DIMENSIONS [ LINEAR DIMENSIONS SEMICONDUCTOR ]
