Three-Phase Buck Controller with Integrated Gate Drivers and Power Good

Obsolete

Overview

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 V 2 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.

  • 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

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Product

Status

CAD Models

Compliance

Package Type

Case Outline

MSL Type

MSL Temp (°C)

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Container Qty.

ON Target

Topology

Phases

Control Mode

VCC Min (V)

VCC Max (V)

fSW Typ (kHz)

Reference Price

CS5301GDW32

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Obsolete

CAD Model

Pb

A

H

P

SOIC-32W

2

235

TUBE

22

N

-

3

V2

4.7

14

800

Price N/A

More Details

CS5301GDW32G

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Obsolete

CAD Model

Pb

A

H

P

SOIC-32W

3

260

TUBE

22

N

-

3

V2

4.7

14

800

Price N/A

More Details

CS5301GDWR32

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Obsolete

CAD Model

Pb

A

H

P

SOIC-32W

2

235

REEL

1000

N

-

3

V2

4.7

14

800

Price N/A

More Details

CS5301GDWR32G

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Obsolete

CAD Model

Pb

A

H

P

SOIC-32W

3

260

REEL

1000

N

-

3

V2

4.7

14

800

Price N/A

More Details

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