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LTM8033 Datasheet(PDF) 1 Page - Linear Technology

Part # LTM8033
Description  Ultralow Noise EMC 36VIN, 3A DC/DC 關Module Regulator
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTM8033 Datasheet(HTML) 1 Page - Linear Technology

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LTM8033
1
8033f
TYPICAL APPLICATION
FEATURES
DESCRIPTION
Ultralow Noise EMC 36VIN,
3A DC/DC µModule
Regulator
The LTM®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 thermally enhanced, com-
pact (11.25mm
× 15mm × 4.32mm) overmolded land grid
array (LGA) package suitable for automated assembly by
standard surface mount equipment.
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 (e4) RoHS Compliant Package with Gold Pad Finish
n Programmable Soft-Start
n Compact Package (11.25mm
× 15mm × 4.32mm)
Surface Mount LGA
n Automotive Battery Regulation
n Power for Portable Products
n Distributed Supply Regulation
n Industrial Supplies
n Wall Transformer Regulation
EMI Performance
8033 TA01a
VIN
RUN/SS
FIN
SHARE
VIN*
20V TO 36V
VOUT
12V
3A
VOUT
AUX
BIAS
PGOOD
RT
LTM8033
2.2μF
SYNC GND ADJ
1μF
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


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