Offline Controllers | CS51221

フォワードまたはフライバック用の拡張電圧モード PWM コントローラ

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Overview

CS51221 強化電圧モード PWM コントローラには、基本的な電圧モード動作に必要なすべての機能が含まれています。この PWM コントローラは、高周波プライマリ・サイド・コントロール動作用に最適化されています。また、このデバイスは、ソフト・スタート、正確なデューティ比制限制御、50uA 未満のスタートアップ電流、過電圧および低電圧保護、双方向同期などの機能も搭載しています。CS51221 は、SOIC-16 および TSSOP-16 表面実装パッケージで提供されます。

  • Hot Swap - DC-DC Conversion
  • 1MHz Frequency Capability
  • Fixed Frequency Voltage Mode Operation, with Feed Forward
  • Thermal Shutdown
  • Under Voltage Lock-out
  • Accurate Programmable Max Duty Cycle Limit
  • 1A Sink/Source Gate Drive
  • Programmable Pulse-by-Pulse Overcurrent Protection
  • Leading Edge Current Sense Blanking
  • 75ns Shutdown Propagation Delay
  • Programmable Soft Start
  • Undervoltage Protection
  • Overvoltage Protection with Programmable Hysteresis
  • Bi-directional Synchronization
  • 25ns GATE Rise and Fall Time (1nF load)
  • 3.3V 3% Reference Voltage Output
  • Pb-Free Package is Available

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CS51221EDR16G

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Pb

A

H

P

SOIC-16

751B-05

1

260

REEL

2500

N

Forward

Voltage Mode

Up to 1000

No

Yes

No

Yes

Yes

15

1000

Price N/A

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