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CS5332 Datasheet(PDF) 1 Page - ON Semiconductor

Part No. CS5332
Description  Two−Phase Buck Controller with Integrated Gate Drivers for VRM 9.0
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Maker  ONSEMI [ON Semiconductor]
Homepage  http://www.onsemi.com
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CS5332 Datasheet(HTML) 1 Page - ON Semiconductor

 
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© Semiconductor Components Industries, LLC, 2006
July, 2006 − Rev. 11
1
Publication Order Number:
CS5332/D
CS5332
Two−Phase Buck Controller
with Integrated Gate
Drivers for VRM 9.0
The CS5332 is a two−phase step down controller which
incorporates all control functions required to power high performance
processors and high current power supplies. Proprietary multi−phase
architecture guarantees balanced load current distribution and reduces
overall solution cost in high current applications. Enhanced V2
control architecture provides the fastest possible transient response,
excellent overall regulation, and ease of use.
The CS5332 multi−phase architecture reduces output voltage and
input current ripple, allowing for a significant reduction in inductor
values and a corresponding increase in inductor current slew rate. This
approach allows a considerable reduction in input and output capacitor
requirements, as well as reducing overall solution size and cost.
Features
Enhanced V2 Control Method
VRM 9.0 Compatible 5−Bit DAC with 1.0% Accuracy
Adjustable Output Voltage Positioning
4 On−Board GATE Drivers
200 kHz to 800 kHz Operation Set by Resistor
Current Sensed through Buck Inductors, or Sense Resistors
Hiccup Mode Current Limit
Individual Current Limits for Each Phase
On−Board Current Sense Amplifiers
3.3 V, 1.0 mA Reference Output
5.0 V and/or 12 V Operation
On/Off Control (through Soft Start Pin)
Power Good Output with Internal Delay
http://onsemi.com
Device
Package
Shipping
ORDERING INFORMATION
CS5332GDW28
SO−28L
27 Units/Rail
CS5332GDWR28
SO−28L
1000 Tape & Reel
PIN CONNECTIONS
SO−28L
DW SUFFIX
CASE 751F
A
= Assembly Location
WL, L
= Wafer Lot
YY, Y
= Year
WW, W = Work Week
MARKING DIAGRAM
1
CS5332
AWLYYWW
28
1
28
1
28
LGND
VID0
VCCH1
PWRGD
GATE(H)1
CSREF
GND1
CS2
GATE(L)1
CS1
VCCL1
VDRP
VCCL
VFB
ROSC
COMP
SS
VID1
VCCL2
VID2
GND2
VID4
GATE(L)2
VID3
GATE(H)2
ILIM
VCCH2
REF


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