Datasheet > LT8312

LT8312

更新时间： 2023-12-20 18:46:10

品牌	Logo	应用领域
亚德诺 - ADI		控制器功率因数校正
页数	文件大小	规格书
14页	217K
描述
具功率因数校正功能的升压型控制器

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LT8312 数据手册

LT8312

Boost Controller with

Power Factor Correction

FeaTures

DescripTion

The LT^®8312 is a power factor correction (PFC) boost

controller. A LT8312-based design can achieve a power

factorofgreaterthan0.99byactivelymodulatingtheinput

current,allowingcompliancewithmostHarmonicCurrent

Emission requirements.

PFC Boost with Minimum Number of External Com-

ponents

V and V

Limited Only by External Components

OUT

Active Power Factor Correction

Low Harmonic Distortion

Overvoltage Protection

Energy Star Compliant (<0.5W No-Load Operation)

16-Lead MSOP Package

The LT8312 is well suited for a wide variety of off-line

applications. The input range can be scaled up or down,

depending mainly on the choice of external components.

Efficiencies higher than 95% can be achieved with output

power levels up to 250W.

applicaTions

L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear

Technology Corporation. All other trademarks are the property of their respective owners.

Industrial

Aviation

Typical applicaTion

Universal Input 200W PFC Boost Converter

GBU404

CMR5H-06

400V

0.5A

OUT

4:1

•

20Ω

560µF

×2

90V

TO 265V

0.1µF

499k 100k

•

10µF

4.7pF

Efficiency

499k 100k

DCM

115VAC

IN_SENSE

EN/UVLO

9.53k

95.3k

LT8312

230VAC 50Hz

20Ω

GATE

SENSE

REF

INTV

100k

221k

4.7µF

0.01Ω

GND

2.2µF

OVP

40 60 80 100 120 140 160

POWER (W)

8312 G01

8312 TA01a

8312fa

For more information www.linear.com/LT8312

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