Controllers | NCP5230

低電圧同期降圧コントローラ

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Overview

NCP5230 は、差動位相電流センシング、同期入力、リモート・グランド省電力動作、およびゲートドライバを備えた単相ソリューションで、正確に調整された電力を提供します。適応的な非オーバーラップ・ゲートドライブおよび省電力動作回路は、サーバ、ノートブック、およびデスクトップ・システムに低スイッチング損失および高効率ソリューションを提供できます。高性能動作エラー・アンプが、システムの補償を簡素化します。NCP5230 の機能には、ソフトスタート・シーケンス、正確な過電圧および過電流保護、電源レールの UVLO、サーマル・シャットダウンも含まれます。

  • Desktop and Server Systems
  • High Performance Operational Error Amplifier
    Internal SoftStart/Stop
    0.5% Internal Voltage Accuracy, 0.8 V voltage reference
    OCP accuracy, Four Reentry Times Before Latch
    Lossless Differential Inductor Current Sensing
    Internal High Precision Current Sensing Amplifier
    Oscillator Frequency Range of 100 kHz 1000 kHz
    20 ns Adaptive FET Nonoverlap Time of Internal Gate Driver
    5.0 V to 12 V Operation
    Support 1.5 V to 19 V Vin
    Vout from 0.8 V to 3.3 V (5 V with 12 VCC)
    Chip Enable through OSC pin
    Latched Over Voltage Protection (OVP)
    Internally Fixed OCP Threshold
    Guaranteed Startup Into PreCharged Loads
    Thermally Compensated Current Monitoring
    Thermal Shutdown Protection
    Integrated MOSFET Drivers
    Integrated BOOST Diode with internal Rbst = 2.2
    Automatic Power Saving Mode to Maximize Efficiency During Light
    Load Operation
    Sync Function
    Remote Ground Sensing
    This is a PbFree Device

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Reference Price

NCP5230MNTWG

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CAD Model

Pb

A

H

P

QFN-16

485G-01

1

260

REEL

3000

N

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1

-

4.5

13.2

-

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