1.8A 源/汲 VTT DDR 端接稳压器

Obsolete

概览

NCP51145 是一款线性稳压器,适用于为 DDR−II、DDR−III、LPDDR−III 和 DDR−IV 内存应用提供调节后 VTT 端接电压。该稳压器能够有效源汲 ±1.8 A 峰值电流,同时将输出电压调节在 ±20 mV 范围内。输出端接电压调节为由两个联接到 PVCC、GND 和 VREF 引脚的外部分压电阻跟踪 VDDQ / 2。NCP51145 结合了高速差分放大器,可针对线路和负载瞬变提供超快响应。其他特性包括源/汲电流限制、软启动和片上高温关断保护。

  • DDR−II / DR−III / DDR−IV SDRAM Termination Voltage
  • Low Power DDR−3LP

  • Motherboard, Notebook, and VGA Card Memory Termination
  • Set Top Box, Digital TV, Printers

  • For DDR VTT Applications, Source/Sink Currents
  • Supports DDR−II to ±1.8 A, DDR−III to ±1.5 A
  • Supports LPDDR−III and DDR−IV to ±1.2 A
  • Stable Using Ceramic−Only (Very Low ESR) Capacitors
  • Integrated Power MOSFETs
  • High Accuracy VTT Output at Full−Load
  • Fast Transient Response
  • Built−in Soft−Start
  • Shutdown for Standby or Suspend Mode
  • Integrated Thermal and Current−Limit Protection

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状态

CAD Models

Compliance

Package Type

Case Outline

MSL Type

MSL Temp (°C)

Container Type

Container Qty.

ON Target

DDR Memory Type

IOUT VTT Max (A)

IQ Typ (µA)

VCC Bias Min (V)

VCC Bias Max (V)

Remote Sense

Power Good

Reference Price

NCP51145MNTAG

Obsolete

CAD Model

Pb

A

H

P

DFN-8

1

260

REEL

3000

N

DDR

DDR2

DDR3

DDR4

1.8

1000

4.75

5.25

No

No

Price N/A

More Details

NCP51145PDR2G

Obsolete

CAD Model

Pb

A

H

P

SOIC-8 NB EP

2

260

REEL

2500

N

DDR

DDR2

DDR3

DDR3L

DDR4

1.8

1000

4.75

5.25

No

No

Price N/A

More Details

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