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LTM8020
200mA, 36V DC/DC
μModule Regulator
FEATURES
DESCRIPTION
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Complete Step-Down Switch Mode Power Supply
Wide Input Voltage Range: 4V to 36V
1.25V to 5V Output Voltage
EN55022 Class B Compliant
200mA Output Current
Current Mode Control
–55°C to 125°C Operating Temperature
(LTM8020MPV)
Pb-Free (e4) RoHS Compliant Package with Gold Pad
Finish
Tiny, Low Profile (6.25mm × 6.25mm × 2.32mm)
Surface Mount LGA Package
The LTM ? 8020 is a complete 200mA, DC/DC step-down
power supply. Included in the package are the switch-
ing controller, power switches, inductor, and all support
components. Operating over an input voltage range of 4V
to 36V, the LTM8020 supports an output voltage range of
1.25V to 5V, set by a single resistor. Only bulk capacitors
are needed to finish the design. The LTM8020 meets the
radiated emissions requirements of EN55022. Conducted
emission requirements can be met by adding standard
filter components.
The low profile (2.32mm) tiny package enables utilization
of unused space on the bottom of PC boards for high
Automotive Battery Regulation
Power for Portable Products
Distributed Supply Regulation
Industrial Supplies
APPLICATIONS
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density point of load regulation.
The LTM8020 is packaged in a thermally enhanced,
compact (6.25mm × 6.25mm) and low profile (2.32mm)
over-molded land grid array (LGA) package suitable for
automated assembly by standard surface mount equip-
ment. The LTM8020 is Pb-free and RoHS compliant.
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Wall Transformer Regulation
L , LT, LTC, LTM, μModule, Linear Technology, the Linear logo and Burst Mode are registered
trademarks of Linear Technology Corporation. All other trademarks are the property of their
respective owners.
TYPICAL APPLICATION
6.5V IN to 36V IN , 5V at 200mA DC/DC μModule ? Regulator
Efficiency and Power Loss vs Load Current
V IN
*6.5V TO 36V
2.2μF
V IN V OUT
LTM8020
SHDN BIAS
GND
ADJ
V OUT
5V
200mA
10μF
90
80
70
60
1000
100
165k
50
10
1%
40
8020 TA01
*RUNNING VOLTAGE RANGE. PLEASE REFER TO APPLICATIONS INFORMATION
FOR START-UP DETAILS
30
20
10
1
0.1
0.1
1
10
100
LOAD CURRENT (mA)
3470 TA01b
8020fd
1
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