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NCP5214MNR2 Datasheet

  • NCP5214MNR2

  • 2-in-1 Notebook DDR Power Controller

  • 14頁(yè)

  • ONSEMI

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NCP5214
Product Preview
2鈭抜n鈭? Notebook DDR
Power Controller
The NCP5214 2鈭抜n鈭? Notebook DDR Power Controller is
specifically designed as a total power solution for notebook DDR
memory system. This IC combines the efficiency of a PWM
controller for the VDDQ supply with the simplicity of linear
regulators for the VTT termination voltage and the buffered low
noise reference. This IC contains a synchronous PWM buck
controller for driving two external NFETs to form the DDR memory
supply voltage (VDDQ). The DDR memory termination regulator
output voltage (VTT) and the buffered VREF are internally set to
track at the half of VDDQ. An internal power good voltage monitor
tracks VDDQ output and notifies the user whether the VDDQ output
is within target range. Protective features include soft鈭抯tart
circuitries, undervoltage monitoring of supply voltage, VDDQ
overcurrent protection, VDDQ overvoltage and undervoltage
protections, and thermal shutdown. The IC is packaged in DFN鈭?2.
Features
http://onsemi.com
MARKING
DIAGRAM
DFN鈭?2
22
MN SUFFIX
CASE 506AF
1
1
NCP5214
AWLYYWW
NCP5214
A
WL
YY
WW
= Specific Device Code
= Assembly Location
= Wafer Lot
= Year
= Work Week
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鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
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Incorporates VDDQ, VTT Regulator, Buffered VREF
Adjustable VDDQ Output
VTT and VREF Track VDDQ/2
Operates from Single 5.0 V Supply
Supports VDDQ Conversion Rails from 5.0 V to 24 V
Power鈭抯aving Mode for High Efficiency at Light Load
Integrated Power FETs with VTT Regulator Sourcing/Sinking 1.5 A
DC and 2.4 A Peak Current
Buffered Low Noise 15 mA VREF Output
All External Power MOSFETs are N鈭抍hannel
<5.0
mA
Current Consumption During Shutdown
Fixed Switching Frequency of 400 kHz
Soft鈭抯tart Protection for VDDQ and VTT
Undervoltage Monitor of Supply Voltage
Overvoltage Protection and Undervoltage Protection for VDDQ
Short鈭抍ircuit Protection for VDDQ and VTT
Thermal Shutdown
Housed in DFN鈭?2
PIN CONNECTIONS
VDDQEN
VTTEN
FPWM
SS
VTTGND
VTT
VTTI
FBVTT
AGND
DDQREF
VCCA
(Top View)
NOTE: Pin 23 is the thermal pad on
the bottom of the device.
PGND
BGDDQ
VCCP
SWDDQ
TGDDQ
BOOST
OCDDQ
PGOOD
VTTREF
FBDDQ
COMP
ORDERING INFORMATION
Device
NCP5214MNR2
Package
DFN鈭?2
Shipping鈥?/div>
2500 Tape & Reel
Typical Applications
鈥?/div>
Notebook DDR/DDR2 Memory Supply and Termination Voltage
鈥?/div>
Active Termination Busses (SSTL鈭?8, SSTL鈭?, SSTL鈭?)
鈥燜or information on tape and reel specifications,
including part orientation and tape sizes, please
refer to our Tape and Reel Packaging Specification
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.
漏
Semiconductor Components Industries, LLC, 2005
1
April, 2005 鈭?Rev. P0
Publication Order Number:
NCP5214/D

NCP5214MNR2 產(chǎn)品屬性

  • 2,500

  • 集成電路 (IC)

  • PMIC - 穩(wěn)壓器 - 專用型

  • -

  • 控制器，DDR

  • 4.5 V ~ 24 V

  • 2

  • -

  • -40°C ~ 85°C

  • 表面貼裝

  • 22-VFDFN 裸露焊盤

  • 22-DFN（6x5）

  • 帶卷 (TR)

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