Controllers | NCP1570

低电压同步降压控制器

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概览

NCP1570 是一款低电压降压控制器。它为 DC–DC 电源方案提供控制，可基于较宽电流范围产生低至 0.985 V 的输出电压。基于 NCP1570 的方案基于 12 V 电压供电，输出派生自 5 V 电源。它包含使用 V2™ 控制方法的同步 NFET 降压稳压器所需的所有电路，可实现最快的瞬变响应和最佳总体调节。NCP1570 基于固定的内部 200 kHz 频率运行，采用 SO–8 封装。NCP1570 提供欠压锁定保护、软启动、带延迟的电源正常检测和内置的自适应非覆盖特性。

  • 0.985 V +/- 1.0% Reference
  • V2 Control Topology
  • 200 ns Transient Response
  • Programmable Soft Start
  • Power Good
  • Programmable Power Good Delay
  • 40 ns Gate Rise and Fall Times (3.3 nF Load)
  • 50 ns Adaptive FET Non–Overlap Time
  • Fixed 200 kHz Oscillator Frequency
  • Undervoltage Lockout
  • On/Off Control Through Use of the COMP Pin
  • Overvoltage Protection through Synchronous MOSFETs
  • Synchronous N–Channel Buck Design
  • Dual Supply, 12 V Control, 5 V Power Source

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NCP1570D

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Obsolete

CAD Model

Pb

A

H

P

SOIC-8

751-07

1

235

TUBE

98

N

-

-

V2

11.4

12.6

200

Price N/A

More Details

NCP1570DR2

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Obsolete

CAD Model

Pb

A

H

P

SOIC-8

751-07

1

235

REEL

2500

N

-

-

V2

11.4

12.6

200

Price N/A

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