DDR Termination Regulators | NCP51145
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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Obsolete
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
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Obsolete
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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