Offline Controllers | NCP1252

PWMコントローラ、電源モード、フォワード/フライバック・アプリケーション用

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Overview

NCP1252コントローラには、ATX電源やより先進的なアプリケーション専用で費用対効果と信頼性が高いAC-DCスイッチング電源を構築するために必要なものすべてがあります。NCP1252の内部固定タイマを使用すると、補助Vccに依存しなくても出力過負荷を検出します。節電入力により、低入力電圧から保護し、コンバータの安全性を向上します。最後に、SOIC-8パッケージはPCBスペースを節約するため、コスト考慮型プロジェクトでソリューションの選択肢となります。

  • Power supplies for PC silver boxes
  • Ac-dc adapter converter
  • Game Adapter
  • Flyback and Forward Application

  • Desktops

  • Peak current mode control
  • Adjustable switching frequency
  • Latched primary overcurrent protection with 10 ms fixed delay
  • Adjustable soft start timer
  • Auto recovery brown out detection
  • Extended Vcc range up to 28 V with auto recovery UVLO
  • Internal 160 ns leading edge blanking
  • Frequency jittering
  • Adjustable internal ramp compensation
  • +500 mA / -800 mA Source/Sink current driver capability
  • Skip cycle operation in light/no load operation
  • SOIC-8 package

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Package Type

Case Outline

MSL Type

MSL Temp (°C)

Container Type

Container Qty.

ON Target

Topology

Control Mode

fsw Typ (kHz)

Stand-by Mode

UVLO (V)

Short Circuit Protection

Latch

Soft Start

VCC Max (V)

Drive Cap. (mA)

Reference Price

NCP1252ADR2G

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Active

CAD Model

Pb

A

H

P

SOIC-8

751-07

1

260

REEL

2500

Y

Forward

Current Mode

Up to 500

Yes

9 to 10

Yes

Yes

Yes

28

500 / 800

$0.2858

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NCP1252APG

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Obsolete

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CAD Model

Pb

A

H

P

PDIP-8

626-05

NA

0

TUBE

50

N

Forward

Current Mode

Up to 500

Yes

9 to 10

Yes

Yes

Yes

28

500 / 800

Price N/A

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NCP1252BDR2G

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Active

CAD Model

Pb

A

H

P

SOIC-8

751-07

1

260

REEL

2500

Y

Forward

Current Mode

Up to 500

Yes

9 to 10

Yes

Yes

Yes

28

500 / 800

$0.3141

More Details

NCP1252CDR2G

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Active

CAD Model

Pb

A

H

P

SOIC-8

751-07

1

260

REEL

2500

Y

Forward

Current Mode

Up to 500

Yes

9 to 10

Yes

Yes

Yes

28

500 / 800

$0.2858

More Details

NCP1252DDR2G

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Active

CAD Model

Pb

A

H

P

SOIC-8

751-07

1

260

REEL

2500

Y

Forward

Current Mode

Up to 500

Yes

9 to 10

Yes

Yes

Yes

28

500 / 800

$0.3352

More Details

NCP1252EDR2G

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Active

CAD Model

Pb

A

H

P

SOIC-8

751-07

1

260

REEL

2500

Y

Forward

Current Mode

Up to 500

Yes

9 to 10

Yes

Yes

Yes

28

500 / 800

$0.276

More Details

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信頼性データ

Die Related Summary Data

Device: NCP1252ADR2G

Equivalent to wafer fab process: ONC25

製品技術

製品技術

等価デバイス時間

MTBF/MTTF (時間)

FITS

ONC25

1

2712519294

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Re-calculate Data

Data is based on the following assumptions.

Note: The temperature and confidence level may be adjusted to your requirements.

Disclaimer: A reliability FIT rate calculated using this tool shall not be used for any functional safety purpose. In case a raw FIT rate needs to be estimated for a component which is targeted to be used in a safety critical application (i.e. compliant to ISO 26262 standard) it should be calculated according to generic safety standards (IEC62380, IEC61709, SN29500, FIDES, etc.)

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