LTM8033
1
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For more information www.linear.com/LTM8033
TYPICAL APPLICATION
FEATURES DESCRIPTION
Ultralow Noise EMC 36V
IN
,
3A DC/DC µModule
Regulator
The LT M
®
8033 is an electromagnetic compatible (EMC)
36V, 3A DC/DC μModule
®
buck converter 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 LTM8033 supports an output
voltage range of 0.8V to 24V, 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 LTM8033 is packaged in a compact (11.25mm × 15mm
× 4.32mm) overmolded land grid array (LGA) and ball grid
array (BGA) package suitable for automated assembly by
standard surface mount equipment. The LTM8033 is avail
-
able with SnPb (BGA) or RoHS compliant 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.
Ultralow Noise 12V/3A DC/DC µModule Regulator
APPLICATIONS
n
Complete Step-Down Switch Mode Power Supply
n
Wide Input Voltage Range: 3.6V to 36V
n
3A Output Current
n
0.8V to 24V Output Voltage
n
EN55022 Class B Compliant
n
Current Share Multiple LTM8033 Regulators for
More Than 3A Output
n
Selectable Switching Frequency: 200kHz to 2.4MHz
n
Current Mode Control
n
SnPb or RoHS Compliant Finish
n
Programmable Soft-Start
n
Compact Package (11.25mm × 15mm × 4.32mm)
Surface Mount LGA and (11.25mm × 15mm ×
4.92mm) BGA Packages
n
Automotive Battery Regulation
n
Power for Portable Products
n
Distributed Supply Regulation
n
Industrial Supplies
n
Wall Transformer Regulation
EMI Performance
8033 TA01a
V
IN
RUN/SS
FIN
SHARE
V
IN
*
20V TO 36V
V
OUT
12V
3A
V
OUT
AUX
BIAS
PGOOD
RT
LTM8033
2.2µF
SYNC GND ADJ
F
f = 850kHz
41.2k 34.8k
47µF
* RUNNING VOLTAGE RANGE. PLEASE REFER TO THE
APPLICATIONS INFORMATION SECTION FOR START-UP DETAILS.
FREQUENCY (MHz)
30 814.8
716.7
618.6
520.5
226.2
324.3
422.4
0
10
30
20
60
50
40
70
80
912.9
1010
8033 TA01b
128.1
LTM8033
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For more information www.linear.com/LTM8033
PIN CONFIGURATION
ABSOLUTE MAXIMUM RATINGS
V
IN
, FIN, RUN/SS Voltage ........................................36V
ADJ, RT, SHARE Voltage ............................................ 6V
V
OUT
, AUX ................................................................25V
PGOOD, SYNC ..........................................................30V
(Note 1)
LGA PACKAGE
76-LEAD (15mm × 11.25mm × 4.32mm)
TOP VIEW
F G H LJ KEA B C D
2
1
4
3
5
6
7
8
BIAS
RUN/SS
AUX
PGOOD
RT
ADJ
SYNC
GND
SHARE
BANK 4
BANK 3 FIN
BANK 2
GND
V
IN
BANK 1
V
OUT
T
JMAX
= 125°C, θ
JA
= 15.4°C/W, θ
JCbottom
= 5.2°C/W, θ
JB
= 9.8°C/W, θ
JCtop
= 16.7°C/W
θ VALUES DERIVED FROM A 4 LAYER 6.35cm × 6.35cm PCB
WEIGHT = 2.2g
BGA PACKAGE
76-LEAD (15mm × 11.25mm × 4.92mm)
TOP VIEW
F G H LJ KEA B C D
2
1
4
3
5
6
7
8
BIAS
RUN/SS
AUX
PGOOD
RT
ADJ
SYNC
GND
SHARE
BANK 4
BANK 3 FIN
BANK 2
GND
V
IN
BANK 1
V
OUT
T
JMAX
= 125°C, θ
JA
= 15.4°C/W, θ
JCbottom
= 5.2°C/W, θ
JB
= 9.8°C/W, θ
JCtop
= 16.7°C/W
θ VALUES DERIVED FROM A 4 LAYER 6.35cm × 6.35cm PCB
WEIGHT = 2.2g
BIAS ......................................................................... 25V
Maximum Junction Temperature (Note 2) .......... 125°C
Solder Temperature ............................................. 245°C
PART NUMBER PAD OR BALL FINISH
PART MARKING*
PACKAGE
TYPE
MSL
RATING
TEMPERATURE RANGE
(Note 2)DEVICE FINISH CODE
LTM8033EV#PBF Au (RoHS) LTM8033V e4 LGA 3 –40°C to 125°C
LTM8033IV#PBF Au (RoHS) LTM8033V e4 LGA 3 –40°C to 125°C
LTM8033MPV#PBF Au (RoHS) LTM8033V e4 LGA 3 –55°C to 125°C
LTM8033EY#PBF SAC305 (RoHS) LTM8033Y e1 BGA 3 –40°C to 125°C
LTM8033IY#PBF SAC305 (RoHS) LTM8033Y e1 BGA 3 –40°C to 125°C
LTM8033IY SnPb (63/67) LTM8033Y e0 BGA 3 –40°C to 125°C
LTM8033MPY#PBF SAC305 (RoHS) LTM8033Y e1 BGA 3 –55°C to 125°C
LTM8033MPY SnPb (63/67) LTM8033Y e0 BGA 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.
• 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
LTM8033
3
8033fb
For more information www.linear.com/LTM8033
PARAMETER CONDITIONS MIN TYP MAX UNITS
Minimum Input Voltage
l
3.6 V
Output DC Voltage 0A < I
OUT
< 3A, R
ADJ
Open, V
IN
= 24V
0A < I
OUT
< 3A, R
ADJ
= 16.5k, V
IN
= 32V
0.8
24
V
V
Output DC Current V
IN
= 24V 0 3 A
Quiescent Current into V
IN
RUN/SS = 0.2V
Not Switching
BIAS = 0V, Not Switching
0.01
30
100
1
60
150
µA
µA
µA
Quiescent Current into BIAS RUN/SS = 0.2V
Not Switching
BIAS = 0V, Not Switching
0.01
75
0
0.5
120
5
µA
µA
µA
Line Regulation 5.5V < V
IN
< 36V 0.3 %
Load Regulation 0A < I
OUT
< 3A, V
IN
= 24V 0.4 %
Output RMS Voltage Ripple V
IN
= 24V, 0A < I
OUT
< 3A 5 mV
Switching Frequency R
T
= 45.3k 780 kHz
Voltage at ADJ Pin
l
775 790 805 mV
Current Out of ADJ Pin ADJ = 1V, V
OUT
= 0V 2 µA
Minimum BIAS Voltage for Proper Operation 2 2.8 V
RUN/SS Pin Current RUN/SS = 2.5V 5 10 µA
RUN/SS Input High Voltage 2.5 V
RUN/SS Input Low Voltage 0.2 V
PGOOD Threshold (at ADJ) V
OUT
Rising 730 mV
PGOOD Leakage Current PGOOD = 30V, RUN/SS = 0V 0.1 1 µA
PGOOD Sink Current PGOOD = 0.4V 200 735 µA
SYNC Input Low Threshold f
SYNC
= 550kHz 0.5 V
SYNC Input High Threshold f
SYNC
= 550kHz 0.7 V
SYNC Bias Current SYNC = 0V 0.1 µA
500kHz Narrowband Conducted Emissions 24V
IN
, 3.3V
OUT
, I
OUT
= 3A, 5µH LISN 89
69
51
dBµV
dBµV
dBµV
1MHz Narrowband Conducted Emissions
3MHz Narrowband Conducted Emissions
ELECTRICAL CHARACTERISTICS
The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. V
IN
= 12V, RUN/SS = 12V unless otherwise noted (Note 2).
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 2: The LTM8033E is guaranteed to meet performance specifications
from 0°C to 125°C internal. Specifications over the full –40°C to
125°C internal operating temperature range are assured by design,
characterization and correlation with statistical process controls. The
LTM8033I is guaranteed to meet specifications over the full –40°C
to 125°C internal operating temperature range. The LTM8033MP is
guaranteed to meet specifications over the full –55°C to 125°C internal
operating temperature range. Note that the maximum internal temperature
is determined by specific operating conditions in conjunction with board
layout, the rated package thermal resistance and other environmental
factors.

LTM8033IY

Mfr. #:
Manufacturer:
Analog Devices / Linear Technology
Description:
Switching Voltage Regulators [Tin-Lead SnPb BGA] Ultralow EMI 36Vin, 3A Step Down Module Regulator
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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