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LTM8021 Datasheet(PDF) 1 Page - Linear Technology

No. de pieza LTM8021
Descripción Electrónicos  40VIN, 3.5A Step-Down Silent Switcher 關Module Regulator
PDF  28 Pages
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Fabricante Electrónico  LINER [Linear Technology]
Página de inicio  http://www.linear.com
Logo LINER - Linear Technology

LTM8021 Datasheet(HTML) 1 Page - Linear Technology

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LTM8053
1
8053fc
For more information www.linear.com/LTM8053
TYPICAL APPLICATION
FEATURES
DESCRIPTION
40VIN, 3.5A Step-Down
Silent Switcher µModule Regulator
Efficiency, VOUT = 5V
5VOUT from 7VIN to 40VIN Step-Down Converter
APPLICATIONS
n
Automotive Battery Regulation
n
Power for Portable Products
n
Distributed Supply Regulation
n
Industrial Supplies
n
Wall Transformer Regulation
All registered trademarks and trademarks are the property of their respective owners.
n
Complete Step-Down Switch Mode Power Supply
n
Low Noise Silent Switcher® Architecture
n
Wide Input Voltage Range: 3.4V to 40V
n
Wide Output Voltage Range: 0.97V to 15V
n
3.5A Continuous Output Current at 12VIN, 5VOUT,
TA = 85°C
n
6A Peak Output Current
n
Parallelable for Increased Output Current
n
Selectable Switching Frequency: 200kHz to 3MHz
n
Tiny, Low Profile 6.25mm × 9mm × 3.32mm RoHS
Compliant BGA Package
The LTM®8053 is a 40VIN, 3.5A continuous, 6A peak step-
down µModule® (power module) regulator. Included in
the package are the switching controller, power switches,
inductor, and all support components. Operating over an
input voltage range of 3.4V to 40V, the LTM8053 supports
an output voltage range of 0.97V to 15V and a switching
frequency range of 200kHz to 3MHz, each set by a single
resistor. Only the input and output filter capacitors are
needed to finish the design.
The low profile package enables utilization of unused
space on the bottom of PC boards for high density point of
load regulation. The LTM8053 is packaged in a thermally
enhanced,compactover-moldedballgridarray(BGA)pack-
age suitable for automated assembly by standard surface
mount equipment. The LTM8053 is RoHS compliant.
4.7µF
100µF
60.4k
41.2k
1MHz
LTM8053
VOUT
AUX
BIAS
VOUT
5V
3.5A
VIN
VIN
7V TO 40V
FB
GND
RUN
SYNC
RT
8053 TA01a
PINS NOT USED IN THIS CIRCUIT: TR/SS, PG, SHARE
LOAD CURRENT (A)
12VIN
0
1
2
3
4
55
65
75
85
95
8053 TA01


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