Offline Controllers | NCP1339

高周波疑似共振コントローラ

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Overview

NCP1339 は、アダプタ・アプリケーションで必要とされる堅牢で高性能なオフライン電源を制御できる、高度に統合された疑似共振フライバック・コントローラです。統合されたアクティブ X キャップ放電機能と省電力モードにより、NCP1339 は、65 W ノートブック・アダプタで 10 mW 未満の無負荷電力消費が可能になります。擬似共振電流モード・フライバック段により、独自のバレー・ロックアウト回路でバレー・スイッチングの安定性を確保します。このシステムで第 6 バレーまで奏効すると、周波数フォールドバック・モードに切り替わり、スイッチング損失を低減します。ループが 25 kHz 未満の周波数を強制する傾向がある場合、NCP1339 はサイクルをスキップして電力供給を抑制します。堅牢なコンバータの構築を支援するために、コントローラは、内部ブラウンアウト、入力電圧に関係なく一定の最大出力電流を得るための非散逸過電力保護、専用ピンを介したラッチ過電圧保護といった、いくつかの重要な保護機能を備えています。

  • High Power Ac-Dc converters
  • Ultra High Density Adapters
  • Notebook Adapters
  • Flat TV SMPS
  • USB-Pd Adapters
  • Loss-free Adjustable Over Power Protection
  • Latched / Autorecovery Timer-Based Overload Protection
  • Brown Out Protection
  • High voltage startup current source
  • Active Input Filter Capacitor Discharge Circuitry
  • Latch input for OVP and OTP implementations
  • Valley Switching Operation with Valley-Lockout

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fsw Typ (kHz)

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Reference Price

NCP1339CDR2G

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Obsolete

CAD Model

Pb

A

H

P

SOIC-14 NB

751AN

1

260

REEL

2500

N

Flyback

Current Mode

Variable

Yes

9

Yes

Yes

Yes

30

500 / 800

Price N/A

More Details

NCP1339DDR2G

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Obsolete

CAD Model

Pb

A

H

P

SOIC-14 NB

751AN

1

260

REEL

2500

N

Flyback

Current Mode

Variable

Yes

9

Yes

Yes

Yes

30

500 / 800

Price N/A

More Details

NCP1339EDR2G

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Obsolete

CAD Model

Pb

A

H

P

SOIC-14 NB

751AN

1

260

REEL

2500

N

Flyback

Current Mode

Variable

Yes

9

Yes

Yes

Yes

30

500 / 800

Price N/A

More Details

NCP1339FDR2G

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Obsolete

CAD Model

Pb

A

H

P

SOIC-14 NB

751AN

1

260

REEL

2500

N

Flyback

Current Mode

Variable

Yes

9

Yes

Yes

Yes

30

500 / 800

Price N/A

More Details

NCP1339GDR2G

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Obsolete

CAD Model

Pb

A

H

P

SOIC-14 NB

751AN

1

260

REEL

2500

N

Flyback

Current Mode

Variable

Yes

9

Yes

Yes

Yes

30

500 / 800

Price N/A

More Details

NCP1339HDR2G

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Active

CAD Model

Pb

A

H

P

SOIC-14 NB

751AN

1

260

REEL

2500

N

Flyback

Current Mode

Variable

Yes

9

Yes

Yes

Yes

30

500 / 800

$0.6267

More Details

NCP1339IDR2G

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Obsolete

CAD Model

Pb

A

H

P

SOIC-14 NB

751AN

1

260

REEL

2500

N

Flyback

Current Mode

Variable

Yes

9

Yes

Yes

Yes

30

500 / 800

Price N/A

More Details

NCP1339JDR2G

Loading...

Obsolete

CAD Model

Pb

A

H

P

SOIC-14 NB

751AN

1

260

REEL

2500

N

Flyback

Current Mode

Variable

Yes

9

Yes

Yes

Yes

30

500 / 800

Price N/A

More Details

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