Offline Controllers | NCP12400

用于反激转换器的固定频率电流模式控制器（集成高电压启动和X2放电电路）

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NCP12400是一款新型固定频率电流模式控制器，具有动态自供电功能。这一功能可激活内部启动电流源，使其在启动、瞬变、锁存、待机等期间为控制器供电，大大简化了辅助电源和VCC电容器的设计。这款器件包含一个特殊的高压检测器，能够检测从交流输入线路上拔下的应用，然后触发X2放电电流。这一高电压结构还能进行欠电压检测。它提供一个基于计时器的故障检测功能，能检测出过载情况，并提供可调节补偿，有助于保持最大功率，而不受输入电压水平影响。由于频率折返，这一款控制器在轻负载条件下展现出优异的能效，同时还能实现极低的待机功耗。内部频率抖动、斜坡补偿和多功能锁存输入让这款控制器成为强固电源设计的绝佳选择。专用的关断模式可通过让整个器件进入“睡眠“从而达到极低的无负载输入功耗，最大程度降低控制电路的功耗。另外NCP12400具有静音Skip模式，可将跳频频率锁定在可听范围以下。这一功能大大降低了Skip模式下开关脉冲产生的噪声。

  • 计算器件的辅助电源
  • 通用型20W至65W AC-DC适配器
  • 用于笔记本电脑、LCD和打印机的离线适配器
  • 离线式电源充电器
  • 消费电子类电源
  • 集成高电压启动和X2放电
  • 静音Skip功能
  • 频率折返和Skip模式
  • 基于计时器的过载保护，可选锁存或自动恢复
  • 故障输入用于过压/过热保护
  • 可调过功率保护（视电源电压情况）
  • 无负载待机功率< 30mW
  • 频率调制，降低EMI信号干扰

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NCP12400BAHAB0DR2G

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Obsolete

CAD Model

Pb

A

H

P

SOIC-7

751U

1

260

REEL

2500

N

Flyback

Current Mode

65

Yes

8.9

Yes

Yes

Yes

28

500 / 800

Price N/A

More Details

NCP12400BAHBB0DR2G

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CAD Model

Pb

A

H

P

SOIC-7

751U

1

260

REEL

2500

N

Flyback

Current Mode

65

Yes

8.9

Yes

Yes

Yes

28

500 / 800

Price N/A

More Details

NCP12400BBAAA0DR2G

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Lifetime

CAD Model

Pb

A

H

P

SOIC-7

751U

1

260

REEL

2500

F

Flyback

Current Mode

65

Yes

8.9

Yes

Yes

Yes

28

500 / 800

$0.3114

More Details

NCP12400BBBBA0DR2G

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Active

CAD Model

Pb

A

H

P

SOIC-7

751U

1

260

REEL

2500

Y

Flyback

Current Mode

65

Yes

8.9

Yes

No

Yes

28

500 / 800

$0.3333

More Details

NCP12400BBBBB2DR2G

Loading...

Active

CAD Model

Pb

A

H

P

SOIC-7

751U

1

260

REEL

2500

Y

Flyback

Current Mode

65/100

Yes

8.9

Yes

No

Yes

28

500 / 800

$0.3333

More Details

NCP12400BBEBA0DR2G

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Lifetime

CAD Model

Pb

A

H

P

SOIC-7

751U

1

260

REEL

2500

N

Flyback

Current Mode

65

Yes

8.9

Yes

No

Yes

28

500 / 800

$0.323

More Details

NCP12400BBHAA1DR2G

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Active

CAD Model

Pb

A

H

P

SOIC-7

751U

1

260

REEL

2500

Y

Flyback

Current Mode

100

Yes

8.9

Yes

No

Yes

28

500 / 800

$0.3333

More Details

NCP12400BBHAB0DR2G

Loading...

Lifetime

CAD Model

Pb

A

H

P

SOIC-7

751U

1

260

REEL

2500

F

Flyback

Current Mode

65

Yes

8.9

Yes

No

Yes

28

500 / 800

$0.3333

More Details

NCP12400CAHAB0DR2G

Loading...

Active

CAD Model

Pb

A

H

P

SOIC-7

751U

1

260

REEL

2500

Y

Flyback

Current Mode

65

Yes

8.9

Yes

Yes

Yes

28

500 / 800

$0.3333

More Details

NCP12400CBAAB0DR2G

Loading...

Active

CAD Model

Pb

A

H

P

SOIC-7

751U

1

260

REEL

2500

Y

Flyback

Current Mode

65

Yes

8.9

Yes

No

Yes

28

500 / 800

$0.3499

More Details

NCP12400CBBAB0DR2G

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Active

CAD Model

Pb

A

H

P

SOIC-7

751U

1

260

REEL

2500

Y

Flyback

Current Mode

65

Yes

8.9

Yes

No

Yes

28

500 / 800

$0.3333

More Details

NCP12400CBHAA0DR2G

Loading...

Active

CAD Model

Pb

A

H

P

SOIC-7

751U

1

260

REEL

2500

Y

Flyback

Current Mode

65

Yes

8.9

Yes

No

Yes

28

500 / 800

$0.3333

More Details

NCP12400EAHBB0DR2G

Loading...

Active

CAD Model

Pb

A

H

P

SOIC-7

751U

1

260

REEL

2500

Y

Flyback

Current Mode

65

Yes

8.9

Yes

Yes

Yes

28

500 / 800

$0.3333

More Details

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