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  ON Semiconductor Electronic Components Datasheet  

CS5302 Datasheet

Two-Phase Buck Controller

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CS5302
Two−Phase Buck Controller
with Integrated Gate
Drivers and 4−Bit DAC
The CS5302 is a twophase step down controller which
incorporates all control functions required to power high performance
processors and high current power supplies. Proprietary multiphase
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 multiphase 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
4Bit DAC with 1% Accuracy
Adjustable Output Voltage Positioning
4 OnBoard Gate Drivers
200 kHz to 800 kHz Operation Set by Resistor
Current Sensed through Buck Inductors, Sense Resistors,
or VS Control
Hiccup Mode Current Limit
Individual Current Limits for Each Phase
OnBoard 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
28
1
SO28L
DW SUFFIX
CASE 751F
MARKING DIAGRAM
28
CS5302
AWLYYWW
1
A = Assembly Location
WL, L = Wafer Lot
YY, Y = Year
WW, W = Work Week
PIN CONNECTIONS
1
COMP
VFB
VDRP
CS1
CS2
CSREF
PWRGD
N/C
VID0
VID1
VID2
VID3
ILIM
REF
28ROSC
VCCL
VCCL1
Gate(L)1
GND1
Gate(H)1
VCCH1
LGND
SS
VCCL2
Gate(L)2
GND2
Gate(H)2
VCCH2
ORDERING INFORMATION
Device
Package
Shipping
CS5302GDW28
SO28L 27 Units/Rail
CS5302GDWR28 SO28L 1000 Tape & Reel
© Semiconductor Components Industries, LLC, 2006
July, 2006 Rev.7
1
Publication Order Number:
CS5302/D


  ON Semiconductor Electronic Components Datasheet  

CS5302 Datasheet

Two-Phase Buck Controller

No Preview Available !

CS5302
+5.0 V
ENABLE
+12 V
1.0 μF
PWRGD
VID0
VID1
7.5 k
25.5 k
1.0 nF
12.7 k
1.0 nF
61.9 k
COMP
VCVDFSBR1P
CS2
CPWSRREGF D
N/C
VVVVILIIIIIDDDDM2103
REF
VRVCOCCSCLC1L
GATE(L)1
GND1
GATE(H)1
VLCGCNHD1
GaVteC(CLSL)S22
GND2
Gate(H)2
VCCH2
VID2
VID3
4.32 k
0.1 μF
1.0 k
25.5 k
25.5 k
.01 μF
.01 μF
300 nH
1.0 μF
Q1
+ ++
6SP680M
Q2 VOUT
Q3 Q4 470 nH
0.1 μF
8×
4SP820M
12 ×
10 μF cer
Q5 Q6
Q7 Q8 470 nH
.01 μF
Figure 1. Application Diagram, 5.0 V to 1.6 V, 35 A Converter
ABSOLUTE MAXIMUM RATINGS*
Rating
Operating Junction Temperature
Lead Temperature Soldering:
Storage Temperature Range
ESD Susceptibility (Human Body Model)
1. 60 second maximum above 183°C.
*The maximum package power dissipation must be observed.
ABSOLUTE MAXIMUM RATINGS
Pin Name
Pin Symbol
Power for Logic
Power for Gate(L)1
Power for Gate(L)2
Power Gate(H)1
Power for Gate(H)2
Power Good Output
VCCL
VCCL1
VCCL2
VCCH1
VCCH2
PWRGD
VMAX
16 V
16 V
16 V
20 V
20 V
6.0 V
Reflow: (SMD styles only) (Note 1)
Value
150
230 peak
65 to +150
2.0
Unit
°C
°C
°C
kV
VMIN
0.3 V
0.3 V
0.3 V
0.3 V
0.3 V
0.3 V
ISOURCE
N/A
N/A
N/A
N/A
N/A
1.0 mA
ISINK
50 mA
1.5 A, 1.0 μs 200 mA DC
1.5 A, 1.0 μs 200 mA DC
1.5 A, 1.0 μs 200 mA DC
1.5 A, 1.0 μs 200 mA DC
20 mA
http://onsemi.com
2


Part Number CS5302
Description Two-Phase Buck Controller
Maker ON Semiconductor
PDF Download

CS5302 Datasheet PDF






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