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NCP51401

更新时间: 2024-11-24 01:20:03
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安森美 - ONSEMI /
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6页 131K
描述
Termination Regulator

NCP51401 数据手册

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NCP51401  
Product Preview  
3 Amp VTT Termination  
Regulator DDR1, DDR2,  
DDR3, LPDDR3, DDR4  
www.onsemi.com  
The NCP51401 is a source/sink Double Data Rate (DDR)  
termination regulator specifically designed for low input voltage and  
low−noise systems where space is a key consideration.  
The NCP51401 maintains a fast transient response and only requires  
a minimum output capacitance of 20 mF. The NCP51401 supports a  
DFN10, 3x3, 0.5P  
CASE 485C  
remote sensing function and all power requirements for DDR V bus  
TT  
termination. The NCP51401 can also be used in low−power chipsets  
and graphics processor cores that require dynamically adjustable  
output voltages.  
MARKING DIAGRAM  
The NCP51401 is available in the thermally−efficient DFN10  
Exposed Pad package, and is rated both Green and Pb−free.  
51401  
ALYWG  
G
Features  
Input Voltage Rails: Supports 2.5 V, 3.3 V and 5 V Rails  
51401 = Specific Device Code  
PV Voltage Range: 1.1 to 3.5 V  
CC  
A
L
Y
W
G
= Assembly Location  
= Wafer Lot  
= Year  
= Work Week  
= Pb−Free Package  
Integrated Power MOSFETs  
Fast Load−Transient Response  
P  
− Logic output pin to Monitor V Regulation  
TT  
GOOD  
EN − Logic input pin for Shutdown mode  
(Note: Microdot may be in either location)  
V − Reference Input Allows for Flexible Input Tracking Either  
RI  
Directly or Through Resistor Divider  
PIN CONNECTION  
Remote Sensing (V  
)
TTS  
Built−in Under Voltage Lockout and Over Current Limit  
Thermal Shutdown  
+
V
1
2
10  
9
V
P
RI  
CC  
PV  
CC  
GOOD  
Small, Low−Profile 10−pin, 3x3 DFN Package  
These Devices are Pb−Free and are RoHS Compliant  
V
GND  
GND  
EN  
3
4
5
8
7
6
TT  
P
GND  
Applications  
V
TTS  
V
RO  
DDR Memory Termination  
Exposed Pad  
Desktop PC’s, Notebooks, and Workstations  
Servers and Networking equipment  
Telecom/Datacom, GSM Base Station  
Graphics Processor Core Supplies  
Set Top Boxes, LCD−TV/PDP−TV, Copier/Printers  
Chipset/RAM Supplies as Low as 0.5 V  
Active Bus Termination  
ORDERING INFORMATION  
Device  
Package  
Shipping  
NCP51401MNTXG  
DFN10  
(Pb−Free)  
3000 / Tape &  
Reel  
†For information on tape and reel specifications,  
including part orientation and tape sizes, please  
refer to our Tape and Reel Packaging Specifications  
Brochure, BRD8011/D.  
This document contains information on a product under development. ON Semiconductor  
reserves the right to change or discontinue this product without notice.  
© Semiconductor Components Industries, LLC, 2015  
1
Publication Order Number:  
March, 2015 − Rev. P0  
NCP51401/D  

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