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LTM8050 fiches techniques PDF

Linear Technology - 2A Step-Down uModule Regulator

Numéro de référence LTM8050
Description 2A Step-Down uModule Regulator
Fabricant Linear Technology 
Logo Linear Technology 





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LTM8050 fiche technique
LTM8050
58V, 2A Step-Down
µModule Regulator
FEATURES
n Wide Input Voltage Range: 3.6V to 58V
(60V Absolute Maximum)
n Up to 2A Output Current
n Parallelable for Increased Output Current
n 0.8V to 24V Output Voltage
n Adjustable Switching Frequency: 100kHz to 2.4MHz
n Configurable as an Inverter
n Current Mode Control
n Programmable Soft-Start
n 9mm × 15mm × 4.92mm BGA Package
APPLICATIONS
n Automotive Battery Regulation
n Power for Portable Products
n Distributed Supply Regulation
n Industrial Supplies
n Wall Transformer Regulation
DESCRIPTION
The LTM®8050 is a 58VIN, 2A step down µModule® (mi-
cromodule) converter. Included in the package are the
switching controller, power switches, inductor and all
support components. Operating over an input voltage
range of 3.6V to 58V, the LTM8050 supports an output
voltage range of 0.8V to 24V and a switching frequency
range of 100kHz to 2.4MHz, each set by a single resistor.
Only the bulk input and output filter capacitors are needed
to finish the design.
The LTM8050 is packaged in a 9mm × 15mm × 4.92mm
ball grid array (BGA) package suitable for automated
assembly by standard surface mount equipment. The
LTM8050 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.
Click to view associated TechClip Videos.
TYPICAL APPLICATION
VIN*
17V TO 58V
12VOUT, 2A µModule Regulator
4.7µF
VIN
RUN/SS
VOUT
AUX
LTM8050 BIAS
SHARE
PGOOD
57.6k
f = 600kHz
RT FB
SYNC GND
34.8k
VOUT
12V AT 2A
22µF
*RUNNING VOLTAGE RANGE. PLEASE REFER TO
APPLICATIONS INFORMATION SECTION FOR START-UP DETAILS 8050 TA01a
Efficiency vs Output Current, 12VOUT
92
VIN = 24V
90
VIN = 36V
88
VIN = 48V
86
84
82
80
0
0.5 1.0 1.5
OUTPUT CURRENT (A)
2.0
8050 TA01b
For more information www.linear.com/LTM8050
8050fb
1

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