ltm4619 Linear Technology Corporation, ltm4619 Datasheet - Page 2

• Manufacturer Part Number: ltm4619
• Description: Dual, 26vin, 4a Dc/dc ?module Regulator
• Manufacturer: Linear Technology Corporation

ABSOLUTE MAXIMUM RATINGS
LTM4619
(Note 1)
V
INTV
COMP1, COMP2, V
MODE/PLLIN, TK/SS1, TK/SS2,
FREQ/PLLFLTR ...................................... –0.3V to INTV
V
Internal Operating Temperature Range (Note 2)
Junction Temperature ........................................... 125°C
Maximum Refl ow Body Temperature .................... 245°C
Storage Temperature Range ................... –55°C to 125°C
ORDER INFORMATION
LEAD FREE FINISH
LTM4619EV#PBF
LTM4619IV#PBF
Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. *The temperature grade is identifi ed by a label on the shipping container.
For more information on lead free part marking, go to:
This product is only offered in trays. For more information go to:
ELECTRICAL CHARACTERISTICS
operating temperature range, otherwise specifi cations are at T
each channel. (Note 3)
SYMBOL
V
V
V
Input Specifi cations
V
2
IN(DC)
OUT1, 2(RANGE)
OUT1, 2(DC)
IN(UVLO)
IN
OUT1
.......................................................... –40°C to 125°C
............................................................. –0.3V to 28V
CC
, V
, PGOOD, RUN1, RUN2, EXTV
OUT2
.................................................. 0.8V to 5V
PARAMETER
Input DC Voltage
Output Voltage Range
Output Voltage
Undervoltage Lockout Thresholds V
FB1
TRAY
LTM4619EV#PBF
LTM4619IV#PBF
, V
FB2
, .................... –0.3V to 2.7V
CC
....... –0.3V to 6V
PART MARKING*
LTM4619V
LTM4619V
http://www.linear.com/leadfree/
CONDITIONS
V
V
C
R
V
IN
IN
IN
SET
INTVCC
INTVCC
V
V
≤ 5.5V, Connect V
= 5.5V to 26.5V
= 10μF ×1, C
IN
IN
= 28.0kΩ
http://www.linear.com/packaging/
= 12V, V
= 12V, V
Rising
Falling
The
CC
A
l
= 25°C, V
OUT
OUT
denotes the specifi cations which apply over the full internal
OUT
= 2.5V, I
= 2.5V, I
= 100μF Ceramic, 100μF POSCAP ,
PACKAGE DESCRIPTION
144-Lead (15mm × 15mm × 2.8mm) LGA
144-Lead (15mm × 15mm × 2.8mm) LGA
PIN CONFIGURATION
IN
and INTV
IN
OUT
OUT
= 12V. Per typical application in Figure 18. Specifi ed as
M
K
H
G
D
C
B
A
L
J
F
E
= 0A
= 4A
CC
1
Together
θ
JA
2
DERIVED FROM 95mm × 76mm PCB WITH 4 LAYERS
T
3
JMAX
144-LEAD (15mm × 15mm × 2.8mm)
= 125°C, θ
4
5
WEIGHT = 1.7g
LGA PACKAGE
TOP VIEW
JA
6
l
l
l
= 13°C/W, θ
7
2.483
2.470
2.00
1.85
MIN
4.5
0.8
8
JP
TEMPERATURE RANGE
–40°C to 125°C
–40°C to 125°C
= 6°C/W
9
2.52
2.52
TYP
2.2
2.0
10
11
2.557
2.570
MAX
26.5
2.35
2.15
5.0
12
UNITS
4619f
V
V
V
V
V
V