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  ON Semiconductor Electronic Components Datasheet  

CS5301 Datasheet

Three-Phase Buck Controller

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CS5301
Three−Phase
Buck Controller with
Integrated Gate Drivers and
Power Good
The CS5301 is a three−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 V2t
control architecture provides the fastest possible transient response,
excellent overall regulation, and ease of use.
The CS5301 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
5−Bit DAC with 1% Accuracy
Adjustable Output Voltage Positioning
6 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
5.0 V and/or 12 V Operation
On/Off Control (through COMP Pin)
Power Good Output
Pb−Free Package is Available*
http://onsemi.com
MARKING DIAGRAM
SO−32WB
CASE 751P
DW SUFFIX
32
1
CS5301
AWLYYWWG
32
1
A = Assembly Location
WL = Wafer Lot
YY = Year
WW = Work Week
G = Pb−Free Package
PIN CONNECTIONS
1
COMP
VFB
VDRP
CS1
CS2
CS3
CSREF
PWRGD
VID0
VID1
VID2
VID3
VID4
PWRGDS
ILIM
REF
32
ROSC
VCCL
VCCL1
GATE(L)1
GND1
Gate(H)1
VCCH12
Gate(H)2
GND2
Gate(L)2
VCCL23
Gate(L)3
GND3
Gate(H)3
VCCH3
LGND
*For additional information on our Pb−Free strategy and soldering details, please
download the ON Semiconductor Soldering and Mounting Techniques
Reference Manual, SOLDERRM/D.
© Semiconductor Components Industries, LLC, 2006
February, 2006 − Rev. 12
1
ORDERING INFORMATION
Device
Package Shipping
CS5301GDW32
SO−32 22 Units/Rail
CS5301GDWR32 SO−32 1000 Tape & Reel
CS5301GDWR32G SO−32 1000 Tape & Reel
(Pb−Free)
†For information on tape and reel specifications,
including part orientation and tape sizes, please
refer to our Tape and Reel Packaging Specifications
Brochure, BRD8011/D.
Publication Order Number:
CS5301/D


  ON Semiconductor Electronic Components Datasheet  

CS5301 Datasheet

Three-Phase Buck Controller

No Preview Available !

CS5301
+12 V
+5.0 V
D1
BAT54S
D3
BAT54S
D2
BAS16LT1
C12
1.0 nF
R10
10 K
C1
1.0 mF
C3
1.0 mF
C2
1.0 mF
C10
470 pF
R9
19.1 k
C11
1.0 nF
R8
80.6 k
R11
10 k
+5.0 V
PWRGD
VID0
VID1
VID2
VID3
VID4
R12
20 K
R5 R6
30 k 30 k
C6
.01 mF
CS1 CS2
C4
0.1 mF
R3
56.2 K
U1
COMP
VFB
VDRP
CS1
CS2
CS3
CSREF
PWRGD
VID0
VID1
VID2
VID3
VID4
PWRGDS
ILIM
REF
ROSC
VCCL
VCCL1
Gate(L)1
GND1
Gate(H)1
VCCH12
Gate(H)2
GND2
Gate(L)2
VCCL23
Gate(L)3
GND3
Gate(H)3
VCCH3
LGND
C7
.01 mF
R1
3.09 k
R2
1.40 k
R7
30 k
CS3
C8
.01 mF
C5
0.1 mF
+5.0 V
R4
1.0 W
C14
1.0 mF
+12 V
L4
300 nH
+ C15,16
2 × 16SP180M
Q1 CS1
L1
1.0 mF
Q2
C17−24
8 × 4SP560M
Q3 CS2
L2
1.0 mF
Q4
C25−32
8 × 10 mF
Q5 CS3
L3
1.0 mF
Q6
VCORE
C9
.01 mF
Q1−Q6, NTB85N03 or NTB85N03T4 by ON Semiconductor
Figure 1. Application Diagram for Intel Pentium® 4 Processor 12 V to 1.7 V, 42 A
MAXIMUM RATINGS*
Rating
Value
Unit
Operating Junction Temperature
150 °C
Storage Temperature Range
−65 to +150
°C
ESD Susceptibility (Human Body Model)
2.0 kV
Thermal Resistance, Junction−to−Case, RqJC
14 °C/W
Thermal Resistance, Junction−to−Ambient, RqJA
70 °C/W
Lead Temperature Soldering:
Reflow: (SMD styles only) (Note 1)
230 peak
°C
Maximum ratings are those values beyond which device damage can occur. Maximum ratings applied to the device are individual stress limit
values (not normal operating conditions) and are not valid simultaneously. If these limits are exceeded, device functional operation is not implied,
damage may occur and reliability may be affected.
1. 60 second maximum above 183°C.
*The maximum package power dissipation must be observed.
http://onsemi.com
2


Part Number CS5301
Description Three-Phase Buck Controller
Maker ON Semiconductor
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CS5301 Datasheet PDF






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