CS5155H Просмотр технического описания (PDF) - ON Semiconductor
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CS5155H Datasheet PDF : 17 Pages
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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
http://onsemi.com
MARKING
DIAGRAM
16
1
SOIC−16
D SUFFIX
CASE 751B
16
CS5155H
AWLYWW
1
A
WL, L
YY, Y
WW, W
= Assembly Location
= Wafer Lot
= Year
= Work Week
PIN CONNECTIONS
1
VID0
VID1
VID2
VID3
SS
VID4
COFF
VFFB
16
VFB
COMP
LGND
VCC1
VGATE(L)
PGND
VGATE(H)
VCC2
ORDERING INFORMATION
Device
Package
Shipping
CS5155HGD16
CS5155HGDR16
SO−16
48 Units/Rail
SO−16 2500 Tape & Reel
© Semiconductor Components Industries, LLC, 2006
1
July, 2006 − Rev. 3
Publication Order Number:
CS5155H/D
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