Secondary Side Controllers | NCP4318

双通道同步整流控制器

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概览

NCP4318是一款用于LLC谐振转换器的混合模式同步整流（SR）控制器，它利用瞬时漏极电压和之前的死区时间信息，仅需最少数量的外部器件。自适应死区时间控制可补偿感应寄生电感电压，从而最大限度地提高SR MOSFET的导通和效率。多步关断阈值控制和SR电流反转检测功能可防止在快速负载瞬态期间出现反转电流，从而使SR在整个负载范围内稳定运行。此外，为提高轻负载下的运行效率，VGATE可自适应从10V降低至6V/5V。

  • LLC谐振PSU
  • 游戏机，服务器，网络，电信
  • 笔记本电脑适配器，LED电视
  • 自适应死区时间控制
  • 电流反转检测
  • 自适应栅极电压控制
  • 额定200V漏极检测引脚，用于双通道MOSFET控制

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CAD Models

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Package Type

Case Outline

MSL Type

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VCC Max (V)

Vref Typ (V)

ICC Max (A)

TA Min (°C)

TA Max (°C)

Reference Price

NCP4318AHDDR2G

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Active

CAD Model

Pb

A

H

P

SOIC-8

751BD

1

260

REEL

2500

F

37

~NA~

0.01

-40

125

$0.4718

More Details

NCP4318AHJDR2G

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Active

CAD Model

Pb

A

H

P

SOIC-8

751BD

1

260

REEL

2500

F

37

~NA~

0.01

-40

125

$0.4777

More Details

NCP4318ALCDR2G

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Active

CAD Model

Pb

A

H

P

SOIC-8

751BD

1

260

REEL

2500

F

37

~NA~

0.01

-40

125

$0.4827

More Details

NCP4318ALFPDR2G

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Active

CAD Model

Pb

A

H

P

SOIC-8 EP

751AC

1

260

REEL

2500

F

37

~NA~

0.01

-40

125

$0.6199

More Details

NCP4318ALGPDR2G

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Active

CAD Model

Pb

A

H

P

SOIC-8 EP

751AC

1

260

REEL

2500

F

37

~NA~

0.01

-40

125

$0.6385

More Details

NCP4318ALKDR2G

Loading...

Active

CAD Model

Pb

A

H

P

SOIC-8

751BD

1

260

REEL

2500

F

37

~NA~

0.01

-40

125

$0.4718

More Details

NCP4318ALLDR2G

Loading...

Active

CAD Model

Pb

A

H

P

SOIC-8

751BD

1

260

REEL

2500

F

37

~NA~

0.01

-40

125

$0.5471

More Details

NCP4318ALSDR2G

Loading...

Active

CAD Model

Pb

A

H

P

SOIC-8

751BD

1

260

REEL

2500

F

37

~NA~

0.01

-40

125

$0.4827

More Details

NCP4318BLCDR2G

Loading...

Active

CAD Model

Pb

A

H

P

SOIC-8

751BD

1

260

REEL

2500

F

37

~NA~

0.01

-40

125

$0.4827

More Details

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