LTM4641
ABSOLUTE MAXIMUM RATINGS
(Note 1)
PIN CONFIGURATION
SGND
M
TRACK/SS
PGOOD L
SGND
K
COMP
J
f
SET
V
INL
H
V
OSNS+
V
OSNS–
G
F
V
ORB+
V
ORB
E
INTV
CC
TOP VIEW
V
ING
V
INGP
V
INH
FCB
DRV
CC
GND
SW
GND
GND
Terminal Voltages
V
INL
, V
INH
, SW, f
SET
............................... –0.3V to 40V
V
OUT
...................................................... –0.3V to 9.2V
V
ING
............................................ –0.3V to V
INH
+ 20V
INTV
CC
, DRV
CC
, RUN, TRACK/SS, PGOOD,
CROWBAR, HYST .................................... –0.3V to 6V
FCB, TMR................................-0.3V to INTV
CC
+ 0.3V
COMP ................................................... –0.3V to 2.7V
V
OSNS+
, V
ORB+
...................................... –0.6V to 9.7V
V
OSNS –
, V
ORB –
..........V
OSNS+
– 2.7V to V
OSNS+
+ 0.3V
OTBH, UVLO, IOVRETRY, OVLO,
LATCH
....................................................–0.3V to 7.5V
TEMP, OV
PGM
....................................... –0.3V to 1.5V
Terminal Currents
INTV
CC
(Continuous)....................................... –30mA
INTV
CC
(Continuous; CROWBAR
Sourcing 15mA) ...............................................–15mA
CROWBAR (Continuous) ..................................–15mA
V
INGP
(Continuous) ........................... –50mA to 15mA
1V
REF
(Continuous) ................................–1mA to 1mA
Internal Operating Temperature Range (Note 2)
E- and I-Grades.................................. –40°C to 125°C
MP-Grade .......................................... –55°C to 125°C
Storage Temperature Range .................. –55°C to 125°C
Peak Package Body Temperature (SMT Reflow) ... 245°C
D
–
C
B
A
1
2
OTBH TMR RUN
LATCH
SGND
GND
3
UVLO
HYST
4
5
TEMP
6
7
8
9 10 11
IOVRETRY CROWBAR OV
PGM
OVLO
12
V
OUT
1V
REF
BGA PACKAGE
144-LEAD (15mm
×
15mm
×
5.01mm)
T
JMAX
= 125°C,
θ
JCtop
= 11°C/W,
θ
JCbottom
= 2.5°C/W
θ
JB
= 3°C/W,
θ
JA
= 10.4°C/W
θ
VALUES DETERMINED PER JESD51-12
WEIGHT = 2.9 GRAMS
ORDER INFORMATION
LEAD FREE FINISH
LTM4641EY#PBF
LTM4641IY#PBF
LTM4641MPY#PBF
TRAY
LTM4641EY#PBF
LTM4641IY#PBF
LTM4641MPY#PBF
PART MARKING*
LTM4641Y
LTM4641Y
LTM4641Y
PACKAGE DESCRIPTION
144-Lead (15mm
×
15mm
×
5.01mm) BGA
144-Lead (15mm
×
15mm
×
5.01mm) BGA
144-Lead (15mm
×
15mm
×
5.01mm) BGA
TEMPERATURE RANGE (Note 2)
–40°C to 125°C
–40°C to 125°C
–55°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/
4641f
3
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