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NCP5316 Datasheet(PDF) 1 Page - ON Semiconductor

Part # NCP5316
Description  Four/Five/Six?뭁hase Buck CPU Controller
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Manufacturer  ONSEMI [ON Semiconductor]
Direct Link  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

NCP5316 Datasheet(HTML) 1 Page - ON Semiconductor

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© Semiconductor Components Industries, LLC, 2006
July, 2006 − Rev. 10
1
Publication Order Number
NCP5316/D
NCP5316
Four/Five/Six−Phase
Buck CPU Controller
The NCP5316 provides full−featured and flexible control for the
latest high−performance CPUs. The IC can be programmed as a four−,
five− or six−phase buck controller, and the per−phase switching
frequency can be as high as 1.0 MHz. Combined with external gate
drivers and power components, the controller implements a compact,
highly integrated multi−phase buck converter.
Enhanced V2™ control inherently compensates for variations in
both line and load, and achieves current sharing between phases. This
control scheme provides fast transient response, reducing the need for
large banks of output capacitors and higher switching frequency.
The controller meets VR(M)10.x specifications with all the required
functions and protection features.
Features
Switching Regulator Controller
Programmable 4/5/6 Phase Operation
Lossless Current Sensing
Programmable Up to 1.0 MHz Switching Frequency Per Phase
0 to 100% Adjustment of Duty Cycle
Programmable Adaptive Voltage Positioning Reduces Output
Capacitor Requirements
Programmable Soft Start
Current Sharing
Differential Current Sense Pins for Each Phase
Current Sharing Within 10% Between Phases
Protection Features
Programmable Pulse−by−Pulse Current Limit for Each Phase
“111110” and “111111” DAC Code Fault
Latching Off Overvoltage Protection
Programmable Latch Overcurrent Protection
Undervoltage Lockout
Reference Undervoltage Lockout
MOSFET Driver Control through Driver−On Signal
System Power Management
6−Bit DAC with 0.5% Tolerance
Programmable Lower Power Good Threshold
Power Good Output
External Enable Control
3.3 V Reference Voltage Output
48−PIN QFN, 7 y 7
MN SUFFIX
CASE 485K
(Bottom View)
MARKING
DIAGRAMS
http://onsemi.com
48
NCP5316
AWLYYWW
1
A
= Assembly
Location
WL
= Wafer Lot
YY
= Year
WW
= Work Week
LQFP−48
FT SUFFIX
CASE 932
NCP5316
AWLYYWW
*7 × 7 mm
Device
Package
Shipping
ORDERING INFORMATION
NCP5316MNR2 48−Pin QFN* 2000 Tape & Reel
2000 Tape & Reel
NCP5316FTR2
LQFP−48*
48
1
†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.


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