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Linear Technology Electronic Components Datasheet

LTM8032 Datasheet

2A DC/DC uModule Regulator

No Preview Available !

Features
n Complete Step-Down Switch Mode Power Supply
n Wide Input Voltage Range: 3.6V to 36V
n 2A Output Current
n 0.8V to 10V Output Voltage
n Selectable Switching Frequency: 200kHz to 2.4MHz
n EN55022 Class B Compliant
n Current Mode Control
n Programmable Soft-Start
n SnPb (BGA) or RoHS Compliant (LGA and BGA)
Finish
n Low Profile, Surface Mount LGA (9mm × 15mm
× 2.82mm) and BGA (9mm × 15mm × 3.42mm)
Packages
Applications
n Automotive Battery Regulation
n Power for Portable Products
n Distributed Supply Regulation
n Industrial Supplies
n Wall Transformer Regulation
LTM8032
EN55022B Compliant 36V,
2A DC/DC µModule
Regulator
Description
The LTM®8032 is an electromagnetic compatible (EMC)
36V, 2A DC/DC step-down µModule® regulator designed
to meet the radiated emissions requirements of EN55022.
Conducted emission requirements can be met by adding
standard filter components. Included in the package are the
switching controller, power switches, inductor, filters and
all support components. Operating over an input voltage
range of 3.6V to 36V, the LTM8032 supports an output
voltage range of 0.8V to 10V, and a switching frequency
range of 200kHz to 2.4MHz, each set by a single resistor.
Only the bulk input and output filter capacitors are needed
to finish the design. The low profile package enables uti-
lization of unused space on the bottom of PC boards for
high density point of load regulation.
The LTM8032 is packaged in a thermally enhanced, com-
pact and low profile overmolded land grid array (LGA) and
ball grid array (BGA) packages suitable for automated
assembly by standard surface mount equipment. The
LTM8032 is available with SnPb (BGA) or RoHS compli-
ant terminal finish.
L, LT, LTC, LTM, Linear Technology, the Linear logo, µModule and Burst Mode are registered
trademarks of Linear Technology Corporation. All other trademarks are the property of their
respective owners.
Typical Application
Ultralow Noise 5V/2A DC/DC µModule Regulator
VIN*
7VDC TO 36VDC
VIN VOUT
FIN
RUN/SS
AUX
2.2µF
LTM8032 BIAS
10µF
VOUT
5V
2A
SHARE
PGOOD
RT SYNC GND ADJ
44.2k
47.5k
8032 TA01a
fSW = 700kHz
*RUNNING VOLTAGE RANGE.
SEE APPLICATIONS FOR START-UP DETAILS
LTM8032 EMI Performance
90
80
70
60
50
40
30
20
10
0
–10
0
EN55022
CLASS B
LIMIT
100 200 300 400 500 600 700 800 900 1000
FREQUENCY (MHz)
8031 TA01b
For more information www.linear.com/LTM8032
8032fg
1


Linear Technology Electronic Components Datasheet

LTM8032 Datasheet

2A DC/DC uModule Regulator

No Preview Available !

LTM8032
Absolute Maximum Ratings
(Note 1)
VIN, FIN, RUN/SS Voltage..........................................40V
ADJ, RT, SHARE Voltage..............................................5V
VOUT, AUX..................................................................10V
Current from AUX.................................................100mA
PGOOD, SYNC...........................................................30V
BIAS...........................................................................25V
VIN + BIAS..................................................................56V
Maximum Junction Temperature (Note 2)............. 125°C
Solder Temperature................................................ 245°C
Pin Configuration
1
A
TOP VIEW
23456
VOUT
GND
7
B
BANK 1
C
D
E
F
BANK 2
G
RT
H SHARE
J BIAS AUX
ADJ
K
BANK 3
L
VIN FIN RUN/SS SYNC
PGOOD
LGA PACKAGE
71-LEAD (9mm × 15mm × 2.82mm)
TJMAX = 125°C, θJA = 25.2°C/W, θJCbottom = 10.3°C/W,
θJCtop = 15.8°C/W, θJB = 11.4°C/W, WEIGHT = 1.2g
θ VALUES DETERMINED PER JESD51-9
1
A
TOP VIEW
23456
VOUT
GND
7
BANK 1 B
C
D
E
F
BANK 2
G
RT
H SHARE
J BIAS AUX
ADJ
K
BANK 3
L
VIN FIN RUN/SS SYNC
PGOOD
BGA PACKAGE
71-LEAD (9mm × 15mm × 3.42mm)
TJMAX = 125°C, θJA = 25.6°C/W, θJCbottom = 11.0°C/W,
θJCtop = 15.8°C/W, θJB = 11.4°C/W, WEIGHT = 1.2g
θ VALUES DETERMINED PER JEDEC 51-9, 51-12
order information
PART NUMBER
LTM8032EV#PBF
LTM8032IV#PBF
LTM8032MPV#PBF
PAD OR BALL FINISH
Au (RoHS)
Au (RoHS)
Au (RoHS)
PART MARKING*
DEVICE
CODE
LTM8032V
e4
LTM8032V
e4
LTM8032MPV
e4
PACKAGE
TYPE
LGA
LGA
LGA
MSL
RATING
3
3
3
TEMPERATURE RANGE
(Note 2)
–40°C to 125°C
–40°C to 125°C
–55°C to 125°C
LTM8032EY#PBF
SAC305 (RoHS)
LTM8032Y
e1
BGA
3 –40°C to 125°C
LTM8032IY#PBF
SAC305 (RoHS)
LTM8032Y
e1
BGA
3 –40°C to 125°C
LTM8032MPY#PBF
LTM8032MPY
SAC305 (RoHS)
SnPb (63/37)
LTM8032Y
LTM8032Y
e1
e0
BGA
BGA
3 –55°C to 125°C
3 –55°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
8032fg
2 For more information www.linear.com/LTM8032


Part Number LTM8032
Description 2A DC/DC uModule Regulator
Maker Linear
Total Page 26 Pages
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