Datasheet

LTM4624
2
4624fb
For more information www.linear.com/LTM4624
PIN CONFIGURATIONABSOLUTE MAXIMUM RATINGS
V
IN
, SV
IN
.................................................... –0.3V to 15V
V
OUT
................................................. –0.3V to SV
IN
or 6V
RUN .......................................................... –0.3V to SV
IN
INTV
CC
...................................................... –0.3V to 3.6V
PGOOD, MODE, TRACK/SS, FREQ ........ –0.3V to INTV
CC
COMP, FB (Note 4) ................................–0.3V to INTV
CC
Internal Operating Junction Temperature Range
(Notes 2, 5) ............................................ –40°C to 125°C
Storage Temperature Range .................. –55°C to 125°C
Peak Solder Reflow Body Temperature ................. 250°C
(Note 1) (See Pin Functions, Pin Configuration Table)
BGA PACKAGE
25-LEAD (6.25mm × 6.25mm × 5.01mm)
TOP VIEW
NC SV
IN
V
IN
V
OUT
INTV
CC
MODE
GND
A
5
1
2
3
4
SGND
FREQ
NC
TRACK/SS
RUN
B C D E
NC
PGOOD
FB
COMP
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,
θ
JA
DERIVED FROM 95mm × 76mm PCB WITH 4 LAYERS
θ VALUES DETERMINED PER JESD51-12, WEIGHT = 0.5g
ELECTRICAL CHARACTERISTICS
The l denotes the specifications which apply over the full internal
operating temperature range (Note 2), otherwise specifications are at T
A
= 25°C. V
IN
= SV
IN
= 12V per the typical application shown on
the front page.
ORDER INFORMATION
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
Switching Regulator Section: per Channel
V
IN
Input DC Voltage SV
IN
= V
IN
l
4 14 V
V
OUT(RANGE)
Output Voltage Range
l
0.6 5.5 V
V
OUT(DC)
Output Voltage, Total
Variation with Line and Load
C
IN
= 22µF, C
OUT
= 100µF Ceramic, R
FB
= 40.2k,
MODE = INTV
CC
,V
IN
= 4V to 14V, I
OUT
= 0A to 4A (Note 3)
0°C to 125°C
–40°C to 125°C
l
1.477
1.47
1.50
1.50
1.523
1.53
V
V
V
RUN
RUN Pin On Threshold V
RUN
Rising 1.1 1.2 1.3 V
I
Q(SVIN)
Input Supply Bias Current V
IN
= 12V, V
OUT
= 1.5V, MODE = INTV
CC
V
IN
= 12V, V
OUT
= 1.5V, MODE = GND
Shutdown, RUN = 0, V
IN
= 12V
6
2
11
mA
mA
µA
I
S(VIN)
Input Supply Current V
IN
= 12V, V
OUT
= 1.5V, I
OUT
= 4A 0.62 A
I
OUT(DC)
Output Continuous Current
Range
V
IN
= 12V, V
OUT
= 1.5V 0 4 A
PART NUMBER PAD OR BALL FINISH
PART MARKING*
PACKAGE
TYPE
MSL
RATING
TEMPERATURE RANGE
(Note 2)DEVICE FINISH CODE
LTM4624EY#PBF SAC305 (RoHS) LTM4624Y e1 BGA 3 –40°C to 125°C
LTM4624IY#PBF SAC305 (RoHS) LTM4624Y e1 BGA 3 –40°C to 125°C
LTM4624IY SnPb (63/37) LTM4624Y e0 BGA 3 –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:
www.linear.com/leadfree
• Recommended LGA and BGA PCB Assembly and Manufacturing
Procedures:
www.linear.com/umodule/pcbassembly
• LGA and BGA Package and Tray Drawings:
www
.linear.com/packaging