Controllers | NCP1565

PWM コントローラ、高集積デュアルモード・アクティブ・クランプ

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NCP1565 は高集積デュアルモード・アクティブ・クランプ PWM コントローラで、ターゲットはテレコム/データコム産業で使用する次世代高密度高性能で小/中電力レベルの絶縁型 DC-DC コンバータです。入力電圧フィードフォワードによる電圧モード制御とピーク電流モード制御のいずれかに設定できます。ピーク電流モード制御は入力電圧フィードフォワードによって実装することもできます。適応型オーバーラップ時間を調整して、システムの効率性を入力電圧と負荷状態に基づいて最適化できます。絶縁型アクティブ・クランプ・フォワード/非対称ハーフブリッジ・コンバータを実装するために必要な制御と保護機能がすべて統合されています。高電圧スタートアップ・バイアス・レギュレータが内蔵されています。NCP1565 には、低電圧ライン・ディテクタ、サイクル単位の電流制限、ライン電圧依存のデューティ比上限、外部サーミスタを使用してプログラム可能な過熱保護があります、デュアル機能 FLTSD ピンもあり、障害があると通知するほか、コントローラをシャットダウンするのにも使用されます。

  • High Efficiency Isolated dc−dc Converters
  • Server Power Supplies
  • 24 V and 48 V Telecom systems
  • 42 V Automotive Applications

  • Telecom systems
  • Servers

  • Both Voltage Mode Control and Current Mode Control
  • Line feedforward
  • Adaptive Overlap time Control
  • Integrated 120 V HV Startup
  • Programmable Line Undervoltage Lockout (UVLO) with Adjustable Hysteresis
  • Cycle by Cycle Peak Current Limiting
  • Overcurrent Protection Based on Average Current
  • Programmable Duty Ratio Clamp
  • Programmable Soft-Start
  • Programmable Shutdown and Restart Delays
  • Programmable External Overtemperature Protection Using Thermistor
  • FLT/SD pin Used for Fault reporting and Shutdown Input
  • Programmable Oscillator with 1.5 MHz Maximum Frequency
  • Main Switch Drive Capability of -2 A/3 A
  • Active Clamp Switch Drive Capability of -2 A/1 A
  • Short Circuit Protection
  • 5 V 2% Voltage Reference
  • VCC Range: from 6.5 V to 20 V

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NCP1565MNTXG

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CAD Model

Pb

A

H

P

QFN-24

485CW

1

260

REEL

4000

Y

Forward

1

Current/Voltage Mode

6.5

120

Programmable up to 1.5Mhz

$1.33

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Die Related Summary Data

Device: NCP1565MNTXG

Equivalent to wafer fab process: ONC25

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等価デバイス時間

MTBF/MTTF (時間)

FITS

ONC25

1

2712519294

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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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