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CS5302 データシート(Datasheet) 1 Page - ON Semiconductor

部品番号. CS5302
部品情報  Two−Phase Buck Controller with Integrated Gate Drivers and 4−Bit DAC
ダウンロード  17 Pages
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メーカー  ONSEMI [ON Semiconductor]
ホームページ  http://www.onsemi.com
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© Semiconductor Components Industries, LLC, 2006
July, 2006 − Rev.7
1
Publication Order Number:
CS5302/D
CS5302
Two−Phase Buck Controller
with Integrated Gate
Drivers and 4−Bit DAC
The CS5302 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 CS5302 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
4−Bit DAC with 1% Accuracy
Adjustable Output Voltage Positioning
4 On−Board Gate Drivers
200 kHz to 800 kHz Operation Set by Resistor
Current Sensed through Buck Inductors, Sense Resistors,
or V−S Control
Hiccup Mode Current Limit
Individual Current Limits for Each Phase
On−Board Current Sense Amplifiers
3.3 V, 1.0 mA Reference Output
On/Off Control (through Soft Start Pin)
Power Good Output with Internal Delay
http://onsemi.com
MARKING DIAGRAM
Device
Package
Shipping
ORDERING INFORMATION
CS5302GDW28
SO−28L
27 Units/Rail
CS5302GDWR28
SO−28L
1000 Tape & Reel
PIN CONNECTIONS
SO−28L
DW SUFFIX
CASE 751F
1
28
1
28
LGND
N/C
VCCH1
PWRGD
Gate(H)1
CSREF
GND1
CS2
Gate(L)1
CS1
VCCL1
VDRP
VCCL
VFB
ROSC
COMP
SS
VID0
VCCL2
VID1
GND2
VID3
Gate(L)2
VID2
Gate(H)2
ILIM
VCCH2
REF
A
= Assembly Location
WL, L
= Wafer Lot
YY, Y
= Year
WW, W = Work Week
1
CS5302
AWLYYWW
28




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