Datasheet

LTM4649
2
4649f
For more information www.linear.com/LTM4649
ABSOLUTE MAXIMUM RATINGS
V
IN
............................................................. –0.3V to 18V
V
OUT
.......................................................... –0.3V to 3.6V
INTV
CC
, PGOOD, RUN (Note 5) .................... –0.3V to 6V
MODE, CLKIN, TRACK/SS, DIFFP, DIFFN,
DIFFOUT, PHASMD
...............................–0.3V to INTV
CC
V
FB
............................................................ –0.3V to 2.7V
COMP (Note 6)
.......................................... –0.3V to 2.7V
INTV
CC
Peak Output Current (Note 6) ..................100mA
Internal Operating Temperature Range
(Note 2)
.................................................. –55°C to 125°C
Storage Temperature Range
.................. –55°C to 125°C
Peak Solder Reflow Body Temperature
................. 245°C
(Note 1)
PIN CONFIGURATION
ORDER INFORMATION
LEAD FREE FINISH TRAY PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTM4649EY#PBF LTM4649EY#TRPBF LTM4649Y
68-Lead (9mm × 15mm × 4.92mm) BGA
–40°C to 125°C
LTM4649IY#PBF LTM4649IY#TRPBF LTM4649Y
68-Lead (9mm × 15mm × 4.92mm) BGA
–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.
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/
PGOOD
MODE
TEMP
PHMODE
CLKIN
A
1
2
3
4
5
6
7
8
9
10
11
B C D
BGA PACKAGE
68-LEAD (9mm × 15mm × 4.92mm)
E F G
V
OUT_LCL
DIFFOUT
TRACK/SS
TOP VIEW
DIFFN
DIFFP
CLKOUT
GND
GND
V
OUT
GND
FREQ
V
IN
NC
NC
SW
FB
COMP
INTV
CC
RUN
T
JMAX
= 125°C, θ
JA
= 14°C/W, θ
JCbottom
= 5°C/W, θ
JCtop
= 20°C/W
WEIGHT = 1.0g