Converters | NCV8843

降圧レギュレータ、1.5 A、340 kHz、同期機能付き

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Overview

NCV8843 は 1.5 A 降圧レギュレータ IC で、340 kHz の固定周波数で動作します。デバイスは V2 制御アーキテクチャを採用して、優れた過渡応答、最適な全体のレギュレーション、および最も単純なループ補償を提供します。NCV8842 は、4.0 V 〜 40 V の入力電圧に対応し、同期回路を内蔵しています。オンチップ NPN トランジスタは、最小 1.5 A の出力電流を供給できます。また、飽和を保証するために外部「ブースト」コンデンサによってバイアスされるため、オンチップ電力消費を最小限に抑えることができます。保護回路には、サーマル・シャットダウン、サイクルごとの電流制限、および周波数フォールドバック短絡保護が含まれます。

  • Automotive
  • Industrial
  • Dc-dc power supplies
  • V2™ Control Architecture
  • 2.0% Error Amp Reference Voltage Tolerance
  • Cycle-by-Cycle Current Limiting
  • Switch Frequency Decrease of 4:1 in Short Circuit
  • Bootstrapped Operation (BOOST)
  • Synchronization to External Clock (SYNC)
  • 1.0 A Shutdown Quiescent Current
  • Thermal Shutdown
  • Soft-Start
  • Pb-Free Packages are Available

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Reference Price

NCV8843DG

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Obsolete

CAD Model

Pb

A

H

P

SOIC-8

751-07

1

260

TUBE

98

N

Step-Down

V2

4

40

-

1.5

-

340

Price N/A

More Details

NCV8843DR2G

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Obsolete

CAD Model

Pb

A

H

P

SOIC-8

751-07

1

260

REEL

2500

N

Step-Down

V2

4

40

-

1.5

-

340

Price N/A

More Details

NCV8843MNR2G

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Active

CAD Model

Pb

A

H

P

DFN-18

505

1

260

REEL

2500

N

Step-Down

V2

4

40

1.46

1.5

-

340

$2.5241

More Details

NCV8843PWG

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Obsolete

CAD Model

Pb

A

H

P

SOIC-16W

751R-02

1

260

TUBE

47

N

Step-Down

V2

4

40

-

1.5

-

340

Price N/A

More Details

NCV8843PWR2G

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Obsolete

CAD Model

Pb

A

H

P

SOIC-16W

751R-02

1

260

REEL

1000

N

Step-Down

V2

4

40

-

1.5

-

340

Price N/A

More Details

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