准谐振控制器,高电压,谷锁闭开关功能

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NCP1340 是一款高度集成的准谐振反激控制器,适用于设计高性能离线功率转换器。NCP1340 具有集成的有源 X2 电容器放电功能,可以实现低于 30 mW 的无负载功耗。准谐振电流模式反激级功能具有专属的谷锁闭电路,确保了稳定的谷开关。此系统可在低至第 6 个谷的情况下运行,并转换为频率折回模式以降低开关损耗。随着负载进一步降低,NCP1340 进入静音跳过模式来管理功率传递。为了帮助确保转换器耐用性,NCP1340 实施了若干关键保护功能,如内部欠电压检测、在任何输入电压下保证恒定最大输出功率的非功耗过功率保护 (OPP)、通过专门引脚实现的锁存过电压和 NTC 就绪高温保护,以及线路去除检测,可在去除线路时对 X2 电容器进行安全放电。

  • Medium or High Power AC-DC Adapters
  • Ultra High Density AC-DC Adapters
  • Notebook Adpaters
  • Flat TV SMPS
  • Computer Power Supplies
  • Phone and Tablet Adapters
  • QR Frequency Jittering
  • New Quiet-Skip Technology
  • Integrated HV Startup with Brownout Protection
  • Valley Switching Operation with Valley Lockout
  • Integrated X2 Capacitor Discharge Capability
  • NTC Compatible Fault Pin
  • High Drive Capability: -500 mA / +800 mA
  • Latch input for OVP and OTP implementations

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NCP1340A3D1R2G

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CAD Model

Pb

A

H

P

SOIC-9 NB

1

260

REEL

2500

N

Flyback

Current Mode

Variable

Yes

9

Yes

Yes

Yes

30

500 / 800

Price N/A

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NCP1340A6DR2G

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Last Shipments

CAD Model

Pb

A

H

P

SOIC-8

1

260

REEL

2500

N

Flyback

Current Mode

Variable

Yes

9

Yes

Yes

Yes

30

500 / 800

Price N/A

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NCP1340B10DR2G

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Active

CAD Model

Pb

A

H

P

SOIC-8

1

260

REEL

2500

Y

Flyback

Current Mode

Variable

Yes

9

Yes

No

Yes

30

500 / 800

$0.414

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NCP1340B1DR2G

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Last Shipments

CAD Model

Pb

A

H

P

SOIC-8

1

260

REEL

2500

N

Flyback

Current Mode

Variable

Yes

9

Yes

No

Yes

30

500 / 800

Price N/A

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NCP1340B3D1R2G

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Active

CAD Model

Pb

A

H

P

SOIC-9 NB

1

260

REEL

2500

Y

Flyback

Current Mode

Variable

Yes

9

Yes

No

Yes

30

500 / 800

$0.4881

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NCP1340B4D1R2G

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Active

CAD Model

Pb

A

H

P

SOIC-9 NB

1

260

REEL

2500

Y

Flyback

Current Mode

Variable

Yes

9

Yes

No

Yes

30

500 / 800

$0.4877

More Details

NCP1340B5D1R2G

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Active

CAD Model

Pb

A

H

P

SOIC-9 NB

1

260

REEL

2500

Y

Flyback

Current Mode

Variable

Yes

9

Yes

No

Yes

30

500 / 800

$0.4877

More Details

NCP1340B6DR2G

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Last Shipments

CAD Model

Pb

A

H

P

SOIC-8

1

260

REEL

2500

N

Flyback

Current Mode

Variable

Yes

9

Yes

No

Yes

30

500 / 800

Price N/A

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NCP1340B7D1R2G

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Active

CAD Model

Pb

A

H

P

SOIC-9 NB

1

260

REEL

2500

Y

Flyback

Current Mode

Variable

Yes

9

Yes

No

Yes

30

500 / 800

$0.5118

More Details

NCP1340B8D1R2G

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Active

CAD Model

Pb

A

H

P

SOIC-9 NB

1

260

REEL

2500

Y

Flyback

Current Mode

Variable

Yes

9

Yes

No

Yes

30

500 / 800

$0.4881

More Details

NCP1340B9D1R2G

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Active

CAD Model

Pb

A

H

P

SOIC-9 NB

1

260

REEL

2500

Y

Flyback

Current Mode

Variable

Yes

9

Yes

No

Yes

30

500 / 800

$0.4869

More Details

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