双输出 DDR 电源控制器

Obsolete

概览

NCP5201 双 DDR 电源控制器特别适合用作高电流 DDR 内存系统的总电源方案。 此集成电路结合了用于 VDDQ 电源的 PWM 控制器的能效,以及用于 VTT 内存端接电压的线性稳压器的简便性。 该辅助稳压器 (VTT) 适用于以一半的主稳压器电压 (VDDQ) 进行自动跟踪。 一个内部电源正常电压监控器同时跟踪 VDDQ 和 VTT 输出,如果任一输出上发生故障则通知用户。 保护特性包括 VCC 和 VSTBY 的软启动电路和欠电压监控。该集成电路采用 5 X 6 QFN-18 封装。

  • Incorporates VDDQ, VTT Regulators
  • Internal Switching Standby Regulator for VDDQ
  • All External Power MOSFETs Are N-Channel
  • Adjustable VDDQ
  • VTT Tracks VDDQ/2
  • Fixed Switching Frequency of 250 kHz for VDDQ in Normal Mode
  • Doubled Switching Frequency (500 kHz) for Standby Mode
  • Soft-Start Protection for VDDQ
  • Undervoltage Monitor
  • Short-Circuit Protection for Both VDDQ and VTT Outputs
  • Housed in a space saving 5 x 6 QFN-18
  • Pb-Free Packages are Available

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Reference Price

NCP5201MN

CAD Model

Pb

A

H

P

DFN-18

2

235

TUBE

61

N

-

1

Voltage Mode

9.2

12

250

Price N/A

More Details

NCP5201MNG

CAD Model

Pb

A

H

P

DFN-18

1

260

TUBE

61

N

-

1

Voltage Mode

9.2

12

250

Price N/A

More Details

NCP5201MNR2

CAD Model

Pb

A

H

P

DFN-18

2

235

REEL

2500

N

-

1

Voltage Mode

9.2

12

250

Price N/A

More Details

NCP5201MNR2G

CAD Model

Pb

A

H

P

DFN-18

1

260

REEL

2500

N

-

1

Voltage Mode

9.2

12

250

Price N/A

More Details

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