LTC3372
TYPICAL APPLICATION
ꢀ
ꢁꢂ
ꢃꢄꢀ ꢅAꢆ
ꢇꢀ ꢅꢁꢂ
ꢀ
ꢀ
ꢄꢅꢆꢇ
ꢈꢉ
ꢁꢂꢃ
ꢁꢂꢃ
ꢃꢄꢄꢅꢆ
ꢇꢈ
ꢀ
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ꢄꢄ
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ꢀꢁ
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ꢀꢁꢁꢂ
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ꢀꢁꢂ
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ꢀꢁꢁꢂꢃ
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ꢀꢁꢁꢂꢃ
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ꢄꢄꢅꢆꢇ
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ꢁꢂꢃ
ꢁꢂA
ꢁꢂꢃ
ꢁꢂꢃ
ꢁꢂꢃ
ꢀ
ꢄꢅꢆꢃꢀ
ꢁꢂꢃ
ꢇꢇ
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ꢀꢁꢂꢃ
ꢄꢅ
ꢀꢁ
ꢂ.ꢃꢄꢅꢆ
ꢀ
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ꢁꢂꢃ
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ꢄꢅ
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ꢀꢁ
ꢂ.ꢃꢄꢅꢆ
ꢁꢂꢃ
ꢀꢁA
ꢀꢁꢂ
ꢀꢁꢂ
ꢀꢁꢂ
ꢀ
ꢀ
ꢅ.ꢆꢀ
ꢇA
ꢀꢁꢂ
ꢀꢁꢂ
ꢀꢁꢂ
ꢁꢂꢃꢄ
ꢅ.ꢅꢀ
ꢆA
ꢁꢂꢃꢄ
ꢀꢁꢂꢃꢃꢄꢅ
ꢀꢁꢂꢃ
ꢄꢅ
ꢀꢁꢁꢂ
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ꢀꢁꢀꢂ
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ꢀꢁꢂꢃ
ꢀꢀꢁꢂ
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ꢀꢁꢂ
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ꢅA
ꢁꢂꢃ
ꢁꢂꢃ
ꢀꢁꢂꢃꢄ ꢅꢆꢇꢈꢉꢊꢋꢈꢊꢌꢆꢍ
ꢀꢁꢂꢃꢄ ꢁꢅꢆꢇꢈꢇꢉꢇꢊꢋꢅꢌ
ꢀꢁꢂꢃ ꢄAꢀꢅꢆꢅꢆꢇꢅꢆꢈꢉꢊ
ꢀꢁꢂꢃ
ꢀꢁꢂꢃ
ꢀꢀꢁꢂ
ꢀꢁꢂ
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ꢀꢁꢂ
ꢀꢁꢂ
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ꢄ ꢅꢀꢆꢃꢇꢃꢈꢃꢉꢀꢊꢃꢋꢌ
ꢀꢁꢂꢃ
ꢁꢂꢃ
ꢁꢂꢃ
ꢁꢂꢃꢄ
ꢁꢂꢃꢄ
ꢀꢁꢁꢂꢃꢄꢅꢆ
Rꢀ
ꢀꢁ
ꢀꢁꢂꢃ
ꢀꢁꢂ
ꢄ ꢅRꢆꢇꢃꢈRꢉꢊꢋꢊꢌꢍꢎAꢊꢃꢏ
ꢅ ꢆꢃꢇꢈꢉꢉꢊꢋAꢇ
ꢀꢁꢂ
Rꢀꢁꢂ
A
A
A
RR
ꢀꢁꢁꢂ
ꢅ ꢆRꢇꢈꢄꢉRꢊꢋꢌꢄꢄꢍꢇꢉꢋꢎꢏ
ꢀꢁꢂꢃ
ꢀꢁꢂꢃ
A
RR
R
ꢀꢁ ꢀꢁ ꢀꢁ
ꢀꢁꢂ ꢀꢃꢄꢅꢁꢁꢆꢆ
ꢄꢄ
ꢀꢁꢂꢃ
ꢀꢁꢂꢃ
ꢄꢄ
ꢀꢀꢁꢂ ꢃAꢄꢁ
RELATED PARTS
PART NUMBER
DESCRIPTION
COMMENTS
Phase-Lockable Frequency 75kHz to 750kHz, 4V ≤ V ≤ 60V, 0.8V ≤ V
LTC3891/LTC3890/
60V, Low I , Single/Dual
≤ 24V, I =50μA
Q
Q
IN
OUT
LTC3890-1/LTC3890-2/ Synchronous Step-Down DC/
LTC3891: Single Channel; LTC3890/LTC3890-1/LTC3890-2/LTC3890-3
LTC3890-3
DC Controller
LTC3371/LTC3370
4-Channel Configurable DC/DC 4 Synchronous Buck Regulators with 8 × 1A Power Stages. Can Connect Up to Four Power
with 8 × 1A Power Stages
Stages in Parallel, 8 Output Configurations Possible.
LTC3370: Precision PGOODALL Indication, 32-Lead (5mm × 5mm × 0.75mm) QFN Package.
LTC3371: Precision RST Monitoring with Windowed Watchdog Timer (CT Programmable),
38-Lead (5mm × 7mm × 0.75mm) QFN and TSSOP Packages
LTC3892/LTC3892-1/
LTC3892-2
60V, Low I , Dual, 2-Phase
Phase-Lockable Frequency 75kHz to 850kHz, 4.5V ≤ V ≤ 60V, 0.8V ≤ V
Q
≤ 99% V ,
OUT IN
Q
IN
Synchronous Step-Down DC/
DC Controller
I = 29μA, Adjustable 5V to 10V Gate Drive, No External Bootstrap Diode
2
LTC3589
LTC3675
LTC3676
8-Output Regulator with
Triple I C Adjustable High Efficiency Step-Down DC/DC Converters: 1.6A, 1A, 1A. High
Efficiency 1.2A Buck-Boost DC/DC Converter, Triple 250mA LDO Regulators, 40-Lead
(6mm × 6mm × 0.75mm) QFN.
2
Sequencing and I C
7-Channel Configurable High
Power PMIC
Quad Synchronous Buck Regulators (1A, 1A, 500mA, 500mA). Buck DC/DCs Can be Paralleled
to Deliver Up to 2× Current with a Single Inductor. 1A Boost, 1A Buck- Boost, 40V LED Driver.
44-Lead (4mm × 7mm × 0.75mm) QFN Package.
8-Channel Power Management Quad Synchronous Buck Regulators (2.5A, 2.5A, 1.5A, 1.5A). Quad LDO Regulators (300mA,
Solution for Application
Processor
300mA, 300mA, 25mA). 40-Lead (6mm × 6mm × 0.75mm) QFN Package.
LTC3375/LTC3374/
LTC3374A
8-Channel Programmable
Configurable 1A DC/DC
8 × 1A Synchronous Buck Regulators. Can Connect Up to Four Power Stages in Parallel with
a Single Inductor, 15 Output Configurations Possible, 48-Lead (7mm × 7mm × 0.75mm) QFN
Package (LTC3375) 38-Lead (5mm × 7mm × 0.75mm) QFN and TSSOP Packages (LTC3374A)
Rev. A
D16975-0-3/19(A)
www.analog.com
ANALOG DEVICES, INC. 2018-2019
44
For more information www.analog.com
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