Datasheet

LTM4619
2
4619fb
For more information www.linear.com/LTM4619
pin conFiguraTionabsoluTe MaxiMuM raTings
V
IN
............................................................. –0.3V to 28V
INTV
CC
, PGOOD, RUN1, RUN2, EXTV
CC
....... –0.3V to 6V
V
FB1
, V
FB2
................................................. –0.3V to 2.7V
COMP1, COMP2 (Note 4) .......................... –0.3V to 2.7V
MODE/PLLIN, TK/SS1, TK/SS2,
FREQ/PLLFLTR .....................................–0.3V to INTV
CC
V
OUT1
, V
OUT2
.................................................. 0.8V to 5V
Internal Operating Temperature Range
(Note 2) .................................................. –40°C to 125°C
Maximum Reflow Body Temperature .................... 245°C
Storage Temperature Range .................. –55°C to 125°C
(Note 1)
LGA PACKAGE
144-LEAD (15mm × 15mm × 2.82mm)
TOP VIEW
1 2 3 4 5 6 7 8 109 11 12
L
K
J
H
G
F
E
D
C
B
M
A
V
IN
SGND
V
OUT1
V
OUT2
GND
RUN2
EXTV
CC
SW2
PGOOD
FREQ/PLLFLTR
SW1
COMP1COMP2 V
FB1
V
FB2
TK/SS1TK/SS2
MODE/PLLIN
RUN1
INTV
CC
T
JMAX
= 125°C, θ
JA
= 13°C/W, θ
JP
= 6°C/W
θ
JA
DERIVED FROM 95mm × 76mm PCB WITH 4 LAYERS
WEIGHT = 1.7g
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
IN(DC)
Input DC Voltage V
IN
≤ 5.5V, Connect V
IN
and INTV
CC
Together
l
4.5 26.5 V
V
OUT1, 2(RANGE)
Output Voltage Range V
IN
= 5.5V to 26.5V
l
0.8 5.0 V
V
OUT1, 2(DC)
Output Voltage
C
IN
= 10µF ×1, C
OUT
= 100µF Ceramic, 100µF POSCAP,
R
SET
= 28.0kΩ
V
IN
= 12V, V
OUT
= 2.5V, I
OUT
= 0A
V
IN
= 12V, V
OUT
= 2.5V, I
OUT
= 4A
l
2.483
2.470
2.52
2.52
2.557
2.570
V
V
Input Specifications
V
IN(UVLO)
Undervoltage Lockout Thresholds V
INTVCC
Rising
V
INTVCC
Falling
2.00
1.85
2.2
2.0
2.35
2.15
V
V
orDer inForMaTion
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
= 12V. Per typical application in Figure 18.
Specified as each channel. (Note 3)
LEAD FREE FINISH TRAY PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTM4619EV#PBF LTM4619EV#PBF LTM4619V
144-Lead (15mm × 15mm × 2.8mm) LGA
–40°C to 125°C
LTM4619IV#PBF LTM4619IV#PBF LTM4619V
144-Lead (15mm × 15mm × 2.8mm) LGA
–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/