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LTM4612
ABSOLUTE MAXIMUM RATINGS
(Note 1)
PIN CONFIGURATION
C
BANK 2 F
INTV CC, DRV CC .............................................–0.3Vto6V
V OUT ........................................................... –0.3V to 16V
PLLIN, FCB, TRACK/SS, MPGM, MARG0,
MARG1, PGOOD ....................–0.3V to INTV CC + 0.3V
RUN ............................................................. –0.3V to 5V
V FB , COMP ................................................ –0.3V to 2.7V
V IN , V D ....................................................... –0.3V to 36V
Internal Operating Temperature Range (Note 2)
E and I Grades ................................... –40°C to 125°C
MP Grade ........................................... –55°C to 125°C
Junction Temperature ........................................... 125°C
Storage Temperature Range .................. –55°C to 125°C
A
V IN B
BANK 1
D
E
PGND
G
H
J
V OUT K
BANK 3 L
M
TOP VIEW
V D
SGND
1 2 3 4 5 6 7 8 9 10 11 12
f SET
MARG0
MARG1
DRV CC
V FB
PGOOD
SGND
NC
NC
NC
FCB
LGA PACKAGE
133-LEAD (15mm × 15mm × 2.8mm)
T JMAX = 125°C, θ JA = 15°C/W, θ JC = 6°C/W
θ JA DERIVED FROM 95mm × 76mm PCB WITH 4 LAYERS
WEIGHT = 1.7g
ORDER INFORMATION
LEAD FREE FINISH
LTM4612EV#PBF
LTM4612IV#PBF
LTM4612MPV#PBF
TRAY
LTM4612EV#PBF
LTM4612IV#PBF
LTM4612MPV#PBF
PART MARKING*
LTM4612V
LTM4612V
LTM4612MPV
PACKAGE DESCRIPTION
133-Lead (15mm × 15mm × 2.8mm) LGA
133-Lead (15mm × 15mm × 2.8mm) LGA
133-Lead (15mm × 15mm × 2.8mm) LGA
TEMPERATURE RANGE
–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/
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the specified internal
operating temperature range, otherwise specifications are at T A = 25°C, V IN = 24V, unless otherwise noted (Note 2). Per Typical
Application (front page) configuration.
SYMBOL
V IN(DC)
PARAMETER
Input DC Voltage
CONDITIONS
l
MIN
5
TYP
MAX
36
UNITS
V
V OUT(DC)
Output Voltage
C IN = 10μF × 3, C OUT = 300μF; FCB = 0
V IN = 24V, V OUT = 12V, I OUT = 0A
V IN = 36V, V OUT =12V, I OUT = 0A
l
l
11.83
11.83
12.07
12.07
12.31
12.31
V
V
Input Specifications
V IN(UVLO)
I INRUSH(VIN)
Undervoltage Lockout Threshold
Input Inrush Current at Start-Up
I OUT = 0A
I OUT = 0A; C IN = 10μF × 2, C OUT = 200μF;
V OUT = 12V
V IN = 24V
V IN = 36V
3.2
0.6
0.7
4.8
V
A
A
4612fb
2
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