低电压同步降压控制器

Obsolete

概览

NCP1575 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 0.980V 的输出电压。 它包含使用 V2TM 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。 NCP1575 以默认的开关频率 200kHz 运行,但开关频率可由用户通过 Rosc 和接地之间的附加电阻进行编程。 此器件提供欠压锁定保护、软启动和内置的自适应非覆盖特性,采用 SO-8 封装。

  • 0.980V +/- 1.0% Reference Voltage
  • V2 Control Topology
  • 200ns Transient Response
  • Programmable Soft Start
  • 400ns Gate Rise and Fall Times (3.3 nF Load)
  • Adaptive FET Nonoverlap Time
  • Default 200 kHz Oscillator Frequency (No External Resistor Required)
  • User-Programmable Oscillator Frequency (One External Resistor Required)
  • Undervoltage Lockout
  • On/Off Control Through Use of the COMP Pin
  • Overvoltage Protection through Synchronous MOSFETs
  • Synchronous N-Channel Buck Design
  • 12V Only or Dual Supply Operation
  • Pb-Free Packages are Available

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CAD Models

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Package Type

Case Outline

MSL Type

MSL Temp (°C)

Container Type

Container Qty.

ON Target

Topology

Phases

Control Mode

VCC Min (V)

VCC Max (V)

fSW Typ (kHz)

Reference Price

Obsolete

CAD Model

Pb

A

H

P

SOIC-8

1

235

TUBE

98

N

-

1

V2

9

20

200 - 400

Price N/A

More Details

Obsolete

CAD Model

Pb

A

H

P

SOIC-8

1

260

TUBE

98

N

-

1

V2

9

20

200 - 400

Price N/A

More Details

Obsolete

CAD Model

Pb

A

H

P

SOIC-8

1

235

REEL

2500

N

-

1

V2

9

20

200 - 400

Price N/A

More Details

Obsolete

CAD Model

Pb

A

H

P

SOIC-8

1

260

REEL

2500

N

-

1

V2

9

20

200 - 400

Price N/A

More Details

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