CS5151 Datasheet, PDF (1/17 Pages) Cherry Semiconductor Corporation – CPU 4-Bit Nonsynchronous Buck Controller

CS5151
CPU 4−Bit Nonsynchronous
Buck Controller
The CS5151 is a 4−bit nonsynchronous 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 CS5151 is designed to operate over a
4.25−16 V range (V_CC) using 12 V to power the IC and 5.0 V as the
main supply for conversion.
The CS5151 is specifically designed to power Pentium®
processors with MMX™ Technology and other high performance core
logic. It includes the following features: on board, 4−bit DAC, short
circuit protection, 1.0% output tolerance, V_CC monitor, and
programmable Soft Start capability. The CS5151 is upward
compatible with the 5−bit CS5156, allowing the mother board
designer the capability of using either the CS5151 or the CS5156 with
no change in layout. The CS5151 is available in 16 pin surface mount
and DIP packages.
Features
• N−Channel Design
• Excess of 1.0 MHz Operation
• 100 ns Transient Response
• 4−Bit DAC
• Upward Compatible with 5−Bit CS5155/CS5156
• 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
• V_CC Monitor
• Adaptive Voltage Positioning
• V²â„¢ Control Topology
• Current Sharing
• Overvoltage Protection
http://onsemi.com
MARKING
DIAGRAMS
16
1
SOIC−16
D SUFFIX
CASE 751B
16
CS5151
AWLYWW
1
16
1
DIP−16
N SUFFIX
CASE 648
16
CS5151
AWLYYWW
1
XXX
A
WL, L
YY, Y
WW, W
= Specific Device Code
= Assembly Location
= Wafer Lot
= Year
= Work Week
PIN CONNECTIONS
1
V_ID0
V_ID1
V_ID2
V_ID3
SS
NC
C_OFF
V_FFB
V_FB
COMP
LGND
V_CC1
NC
PGND
V_GATE
V_CC2
ORDERING INFORMATION
Device
Package
Shipping
CS5151GD16
CS5151GDR16
CS5151GN16
SO−16
SO−16
DIP−16
48 Units/Rail
2500 Tape & Reel
25 Units/Rail
© Semiconductor Components Industries, LLC, 2006
1
July, 2006 − Rev. 4
Publication Order Number:
CS5151/D