cs5301 ON Semiconductor, cs5301 Datasheet

cs5301

Manufacturer Part Number

cs5301

Description

Three-phase Buck Controller With Integrated Gate Drivers And Power Good

Manufacturer

ON Semiconductor

Datasheet

1.CS5301.pdf (19 pages)

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Download datasheet (182Kb)

CS5301

Three−Phase

Buck Controller with

Integrated Gate Drivers and

Power Good

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 V

control architecture provides the fastest possible transient response,

excellent overall regulation, and ease of use.

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

•

*For additional information on our Pb−Free strategy and soldering details, please

February, 2006 − Rev. 12

download the ON Semiconductor Soldering and Mounting Techniques

Reference Manual, SOLDERRM/D.

The CS5301 is a three−phase step down controller which

The CS5301 multi−phase architecture reduces output voltage and

Control

Enhanced V

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

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*

Control Method

CS5301GDW32

CS5301GDWR32

CS5301GDWR32G

†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.

DW SUFFIX

CASE 751P

SO−32WB

Device

PWRGDS

PWRGD

ORDERING INFORMATION

COMP

REF

CS1

CS2

CS3

DRP

REF

PIN CONNECTIONS

LIM

ID0

ID1

ID2

ID3

ID4

http://onsemi.com

(Pb−Free)

Package

SO−32

WW = Work Week

SO−32

Publication Order Number:

MARKING DIAGRAM

= Assembly Location

= Wafer Lot

= Year

= Pb−Free Package

AWLYYWWG

1000 Tape & Reel

GATE(L)1

GND1

Gate(H)1

Gate(H)2

GND2

Gate(L)2

Gate(L)3

GND3

Gate(H)3

LGND

CS5301

CCL

CCL1

CCH12

CCL23

CCH3

OSC

22 Units/Rail

Shipping

CS5301/D

†

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