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CS5155H Datasheet(PDF) 1 Page - ON Semiconductor

Part No. CS5155H
Description  CPU 5−Bit Synchronous Buck Controller
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Maker  ONSEMI [ON Semiconductor]
Homepage  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

CS5155H Datasheet(HTML) 1 Page - ON Semiconductor

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© Semiconductor Components Industries, LLC, 2006
July, 2006 − Rev. 3
1
Publication Order Number:
CS5155H/D
CS5155H
CPU 5−Bit Synchronous
Buck Controller
The CS5155H is a 5−bit synchronous dual N−Channel buck
controller. It is designed to provide unprecedented transient response
for today’s demanding high−density, high−speed logic. The regulator
operates using a proprietary control method, which allows a 100 ns
response time to load transients. The CS5155H is designed to operate
over a 4.25−20 V range (VCC) using 12 V to power the IC and 5.0 V or
12 V as the main supply for conversion.
The CS5155H is specifically designed to power Pentium® II
processors and other high performance core logic. It includes the
following features: on board, 5−bit DAC, short circuit protection,
1.0% output tolerance, VCC monitor, and programmable Soft Start
capability. The CS5155H is backwards compatible with the 4−bit
CS5150, allowing the mother board designer the capability of using
either the CS5150 or the CS5155H with no change in layout. The
CS5155H is available in 16 pin surface mount packages.
Features
Dual N−Channel Design
Excess of 1.0 MHz Operation
100 ns Transient Response
5−Bit DAC
Backward Compatible with 4−Bit CS5150H/CS5151H
30 ns Gate Rise/Fall Times
1.0% DAC Accuracy
5.0 V & 12 V Operation
Remote Sense
Programmable Soft Start
Lossless Short Circuit Protection
VCC Monitor
25 ns FET Nonoverlap Time
Adaptive Voltage Positioning
V2™ Control Topology
Current Sharing
Overvoltage Protection
CS5155HGDR16
http://onsemi.com
A
= Assembly Location
WL, L
= Wafer Lot
YY, Y
= Year
WW, W = Work Week
Device
Package
Shipping
ORDERING INFORMATION
CS5155HGD16
SO−16
48 Units/Rail
SO−16
2500 Tape & Reel
SOIC−16
D SUFFIX
CASE 751B
PIN CONNECTIONS
1
CS5155H
AWLYWW
16
MARKING
DIAGRAM
1
16
VCC2
VFFB
1
16
VGATE(H)
COFF
PGND
VID4
VGATE(L)
SS
VCC1
VID3
LGND
VID2
COMP
VID1
VFB
VID0


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