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LTC3111 Datasheet(PDF) 32 Page - Linear Technology

Part # LTC3111
Description  15V, 1.5A Synchronous Buck-Boost DC/DC Converter
PDF  32 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC3111 Datasheet(HTML) 32 Page - Linear Technology

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LTC3111
32
3111fa
For more information www.linear.com/LTC3111
LINEAR TECHNOLOGY CORPORATION 2013
LT 0114 REV A • PRINTED IN USA
LinearTechnology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408)432-1900 ● FAX: (408) 434-0507 ● www.linear.com/LTC3111
RELATED PARTS
TYPICAL APPLICATION
PART NUMBER DESCRIPTION
COMMENTS
LTC3533
2A (IOUT), 2MHz Synchronous Buck-Boost DC/DC
Converter
VIN: 1.8V to 5.5V, VOUT: 1.8V to 5.25V, IQ = 40μA, ISD < 1μA, DFN Package
LTC3113
3A (IOUT), 2MHz Low Noise Buck-Boost DC/DC
Converter
VIN: 1.8V to 5.5V, VOUT: 1.8V to 5.5V, IQ = 40μA, ISD < 1μA, DFN and TSSOP
Packages
LTC3534
7V, 500mA (IOUT), Synchronous Buck-Boost DC/DC
Converter
VIN: 2.4V to 7V, VOUT: 1.8V to 7V, IQ = 25μA, ISD < 1μA, DFN and GN Packages
LTC3129/
LTC3129-1
15V, 200mA (IOUT), Synchronous Buck-Boost DC/DC
Converter with 1.3µA Quiescent Current
VIN: 2.42V to 15V, VOUT: 1.4V to 15.75V, IQ = 1.3μA, ISD < 100nA, QFN and
MSOP Packages
LTC3112
15V, 2.5A (IOUT), Synchronous Buck-Boost DC/DC
Converter
VIN: 2.7V to 15V, VOUT = 5V, IQ = 50μA, ISD < 1μA, DFN and TSSOP Packages
LTC3785
10V, High Efficiency, Synchronous, No RSENSE™
Buck-Boost Controller
VIN: 2.7V to 10V, VOUT: 2.7V to 10V, IQ = 86μA, ISD < 15μA, QFN Package
LTC3115-1/
LTC3115-2
40V, 2A (IOUT), Synchronous Buck-Boost DC/DC
Converter
VIN: 2.7V to 40V, VOUT = 2.7V to 40V, IQ = 30μA, ISD < 1μA, DFN and TSSOP
Packages
LTC3789
High Efficiency, Synchronous, 4-Switch Buck-Boost
Converter
VIN: 4V to 38V, VOUT: 0.8V to 38V, IQ = 3mA, ISD < 60μA, QFN and SSOP
Packages
LTC3122
15V, 2.5A (IOUT), Synchronous Step-Up DC/DC
Converter with Output Disconnect
VIN:1.8V to 5.5V, VOUT: 2.2V to 15V. IQ = 25µA, ISD < 1µA, DFN and MSOP
Packages
Regulated 12V Output from Wide Range Input Supply
Wide VIN to 12VOUT Efficiency
SW1
0.1µF
39pF
1µF
18pF
2.21M
158k
3111 TA06a
20k
1000pF
44.2k
0.1µF
VIN
2.5V TO 15V
10µH
SW2
BST1
BST2
VIN
LTC3111
VOUT
VCC
VCC
22µF
VOUT
12V
0.5A, VIN > 5V
1.0A, VIN > 9V
10µF
PWM/SYNC
BURST PWM
RUN
FB
SNSGND
COMP
OFF ON
SGND
PGND
LOAD CURRENT (A)
0.0001
70
80
90
100
0.001
0.01
0.1
1
10
3111 TA06b
60
50
40
30
VIN = 5V
VIN = 12V
BURST
PWM



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