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LTM8056 fiches techniques PDF

Linear Technology - Buck-Boost uModule Regulator

Numéro de référence LTM8056
Description Buck-Boost uModule Regulator
Fabricant Linear Technology 
Logo Linear Technology 





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LTM8056 fiche technique
LTM8056
58VIN, 48VOUT Buck-Boost
µModule Regulator
Features
n Complete Buck-Boost Switch Mode Power Supply
n Wide Input Voltage Range: 5V to 58V
n 12V/1.7A Output from 6VIN
n 12V/3.4A Output from 12VIN
n 12V/5.4A Output from 24VIN
n Up to 96% Efficient
n Adjustable Input and Output Average Current Limits
n Input and Output Current Monitors
n Parallelable for Increased Output Current
n Wide Output Voltage Range: 1.2V to 48V
n Selectable Switching Frequency: 100kHz to 800kHz
n Synchronization from 200kHz to 700kHz
n 15mm × 15mm × 4.92mm BGA Package
Applications
n High Power Battery-Operated Devices
n Industrial Control
n Solar Powered Voltage Regulator
n Solar Powered Battery Charging
Description
The LTM®8056 is a 58VIN, buck-boost µModule®
(micromodule) regulator. Included in the package are the
switching controller, power switches, inductor and support
components. A resistor to set the switching frequency, a
resistor divider to set the output voltage, and input and
output capacitors are all that are needed to complete the
design. Other features such as input and output average
current regulation may be implemented with just a few
components. The LTM8056 operates over an input volt-
age range of 5V to 58V, and can regulate output voltages
between 1.2V and 48V. The SYNC input and CLKOUT
output allow easy synchronization.
The LTM8056 is housed in a compact overmolded ball
grid array (BGA) package suitable for automated assembly
by standard surface mount equipment. The LTM8056 is
available with SnPB 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.
Typical Application
VIN
7V TO 58V
24VOUT from 7VIN to 58VIN Buck-Boost Regulator
2.2µF
100V
×3
43.2k
525kHz
VIN
SVIN
IIN
LTM8056
RUN
CTL
SS
SYNC
COMP
RT LL
MODE
GND
VOUT
IOUT
CLKOUT
IINMON
IOUTMON
FB
VOUT
24V
100k
33µF
35V
5.23k
22µF
25V
8056 TA01a
Max Output Current and Efficiency vs VIN
95 7
6
94
5
93 4
92 3
2
91
EFFICIENCY
1
MAX OUTPUT CURRENT
90 0
0 10 20 30 40 50
VIN (V)
8056 TA01b
For more information www.linear.com/LTM8056
8056f
1

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