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CS5161 Datasheet(PDF) 1 Page - ON Semiconductor

Part No. CS5161
Description  CPU 5−Bit Synchronous Buck Controller
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Maker  ONSEMI [ON Semiconductor]
Homepage  http://www.onsemi.com
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CS5161 Datasheet(HTML) 1 Page - ON Semiconductor

 
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© Semiconductor Components Industries, LLC, 2006
July, 2006 − Rev. 12
1
Publication Order Number:
CS5161/D
CS5161, CS5161H
CPU 5−Bit Synchronous
Buck Controller
The CS5161/5161H are 5−bit synchronous dual N−Channel buck
controllers designed to provide unprecedented transient response for
today’s demanding high−density, high−speed logic. They operate
using a proprietary control method which allows a 100 ns response
time to load transients. The CS5161 is designed to operate over a
9−16 V range (VCC) using 12 V to power the IC and 5.0 V as the main
supply for conversion.
The CS5161H operates from a 12 V input as the main supply for
conversion using a discrete charge pump circuit to provide up to 20 V
for VCC2 and high side gate drive.
The CS5161/5161H are specifically designed to power
Pentium® III processors and other high performance core logic. They
include the following features: on board 5−bit DAC, short circuit
protection, 1.0% output tolerance, VCC monitor, and programmable
Soft Start capability. The CS5161/5161H are 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 CS515X Family
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
50 ns FET Nonoverlap Time
V2™ Control Topology
Current Sharing
Overvoltage Protection
CS5161GDR16
MARKING
DIAGRAMS
A
= Assembly Location
WL, L
= Wafer Lot
YY, Y
= Year
WW, W = Work Week
Device
Package
Shipping
ORDERING INFORMATION
CS5161GD16
SO−16
48 Units/Rail
SO−16
2500 Tape & Reel
1
COMP
VFFB
VFB
COFF
SS
VID0
VCC2
VCC1
VGATE(L)
VGATE(H)
PGnd
PIN CONNECTIONS
LGnd
CS5161HGD16
CS5161HGDR16
SO−16
SO−16
48 Units/Rail
2500 Tape & Reel
VID1
VID2
VID3
VID4
SO−16
D SUFFIX
CASE 751B
1
16
CS5161
AWLYWW
http://onsemi.com


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