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LTM4644 Datasheet(PDF) 2 Page - Linear Technology

Part # LTM4644
Description  Dual 25A or Single 50A DC/DC 關Module Regulator with 1% DC Accuracy
PDF  38 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTM4644 Datasheet(HTML) 2 Page - Linear Technology

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LTM4650A
2
4650afb
For more information www.linear.com/LTM4650A
PART NUMBER
PAD OR BALL FINISH
PART MARKING*
PACKAGE
TYPE
MSL
RATING
TOTAL DC
ACCURACY
TEMPERATURE 
RANGE (Note 2)
DEVICE
FINISH CODE
LTM4650AEV#PBF
Au (RoHS)
LTM4650AV
e4
LGA
3
±1%
–40°C to 125°C
LTM4650AIV#PBF
Au (RoHS)
LTM4650AV
e4
LGA
3
±1%
–40°C to 125°C
LTM4650AEY#PBF
SAC305 (RoHS)
LTM4650AY
e1
BGA
3
±1%
–40°C to 125°C
LTM4650AIY#PBF
SAC305 (RoHS)
LTM4650AY
e1
BGA
3
±1%
–40°C to 125°C
LTM4650AIY
SnPb (63/37)
LTM4650AY
e0
BGA
3
±1%
–40°C to 125°C
Consult ADI 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.
• Terminal Finish Part Marking:
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
ORDER INFORMATION http://www.linear.com/product/LTM4650A#orderinfo
PIN CONFIGURATION
ABSOLUTE MAXIMUM RATINGS
VIN (Note 8).................................................–0.3V to 18V
VSW1, VSW2....................................................–1V to 18V
PGOOD1, PGOOD2, RUN1, RUN2,
INTVCC, EXTVCC .......................................... –0.3V to 6V
MODE_PLLIN, fSET, TRACK1, TRACK2,
DIFFOUT, PHASMD ............................... –0.3V to INTVCC
VOUT1, VOUT2, VOUTS1, VOUTS2 (Note 6)........ –0.3V to 6V
(Note 1)
LGA PACKAGE
144-LEAD (16mm
× 16mm × 4.41mm)
TOP VIEW
TEMP
CLKOUT
SW1
PHASMD
EXTVCC
1
2
3
4
5
6
7
8
10
9
11
12
L
K
J
H
G
F
E
D
C
B
M
A
SW2
PGOOD1
PGOOD2
RUN2
TRACK2
INTVCC
VOUTS2
DIFFP
DIFFOUT
DIFFN
RUN1
TRACK1
MODE_PLLIN
VFB1
VOUTS1
fSET
SGND
COMP1 COMP2
SGND
VFB2
VIN
VOUT2
GND
GND
VOUT1
SGND
GND
TJMAX = 125°C, θJA = 7°C/W, θJCbottom = 1.5°C/W, θJCtop = 3.7°C/W, θJB + θJBA ≅ 7°C/W
θ VALUES DEFINED PER JESD51-12
WEIGHT = 3.6g
BGA PACKAGE
144-LEAD (16mm
× 16mm × 5.01mm)
TOP VIEW
TEMP
CLKOUT
SW1
PHASMD
EXTVCC
1
2
3
4
5
6
7
8
10
9
11
12
L
K
J
H
G
F
E
D
C
B
M
A
SW2
PGOOD1
PGOOD2
RUN2
TRACK2
INTVCC
VOUTS2
DIFFP
DIFFOUT
DIFFN
RUN1
TRACK1
MODE_PLLIN
VFB1
VOUTS1
fSET
SGND
COMP1 COMP2
SGND
VFB2
VOUT2
GND
GND
SGND
GND
TJMAX = 125°C, θJA = 7°C/W, θJCbottom = 1.5°C/W, θJCtop = 3.7°C/W, θJB + θJBA ≅ 7°C/W
θ VALUES DEFINED PER JESD51-12
WEIGHT = 3.8g
DIFFP, DIFFN ......................................... –0.3V to INTVCC
COMP1, COMP2, VFB1, VFB2 (Note 6)........ –0.3V to 2.7V
INTVCC Peak Output Current..................................50mA
Internal Operating Temperature Range
(Note 2) ............................................. –40°C to 125°C
Storage Temperature Range .................. –55°C to 125°C
Peak Package Body Temperature.......................... 245°C



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