Voltage References | NCP4328

セカンダリ・サイド・コントローラ、定電圧 / 定電流 (CV / CC)

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NCP4328 は、セカンダリ・サイド SMPS コントローラで、定電流および/または定電流レギュレーションが要求されるアプリケーションでの使用に向けて設計されています。NCP4328x は、高精度の内部電圧リファレンスによる電圧/電流ループ・レギュレーションに向けた 2 つの OTA アンプで構成されています。OTA の出力はオープンドレイン・タイプ (OTA シンク電流のみ) です。NCP4328B には LED ドライバ・ピンとオープンドレイン MOSFET が実装されており、VCC が UVLO を超えた場合に機能する表示目的のデューティ比 12.5% の 1 kHz 方形波によって駆動されます。NCP4328A は TSOP5 パッケージで提供し、NCP4328B は TSOP6 パッケージで提供します。

  • CC CV Charging
  • LED Lighting

  • LED Lighting
  • LCD TV

  • Operating Input Voltage Range: 2.5 V to 36.0 V
  • Supply current < 100 uA
  • 0.5% Reference Voltage Accuracy (TJ = 25C)
  • Constant Voltage and Constant Current Control Loop
  • Indication LED PWM Modulated Driver (NCP4328B)

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NCP4328ASNT1G

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CAD Model

Pb

A

H

P

TSOP-5 / SOT-23-5

483

1

260

REEL

3000

Y

Adjustable

1.25

0.48

0.105

0.105

1.256

-40

125

$0.1725

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NCP4328BSNT1G

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CAD Model

Pb

A

H

P

TSOP-6

318G-02

1

260

REEL

3000

Y

Adjustable

1.25

0.48

0.115

0.115

1.256

-40

125

$0.1725

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信頼性データ

Die Related Summary Data

Device: NCP4328ASNT1G

Equivalent to wafer fab process: ONC25

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製品技術

等価デバイス時間

MTBF/MTTF (時間)

FITS

ONC25

1

2712519294

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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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