Controllers | NCP1575

Low Voltage Synchronous Buck Controller

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Overview

The NCP1575 is a low voltage buck controller. It provides the control for dc-dc power solution producing an output voltage as low as 0.980V over a wide current range. It contains all required circuitry for a synchronous NFET buck regulator using the V2TM control method to achieve the fastest possible transient response and best overall regulation. The NCP1575 operates at a default switching frequency of 200kHz, but switching frequency is user-programmable with an additional resistor between Rosc and ground. This device provides undervoltage lockout protection, Soft Start, and built-in adaptive nonoverlap and is assemble in an SO-8 package.

  • 0.980V +/- 1.0% Reference Voltage
  • V2 Control Topology
  • 200ns Transient Response
  • Programmable Soft Start
  • 400ns Gate Rise and Fall Times (3.3 nF Load)
  • Adaptive FET Nonoverlap Time
  • Default 200 kHz Oscillator Frequency (No External Resistor Required)
  • User-Programmable Oscillator Frequency (One External Resistor Required)
  • Undervoltage Lockout
  • On/Off Control Through Use of the COMP Pin
  • Overvoltage Protection through Synchronous MOSFETs
  • Synchronous N-Channel Buck Design
  • 12V Only or Dual Supply Operation
  • Pb-Free Packages are Available

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NCP1575D

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Obsolete

CAD Model

Pb

A

H

P

SOIC-8

751-07

1

235

TUBE

98

N

-

1

V2

9

20

200 - 400

Price N/A

More Details

NCP1575DG

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Obsolete

CAD Model

Pb

A

H

P

SOIC-8

751-07

1

260

TUBE

98

N

-

1

V2

9

20

200 - 400

Price N/A

More Details

NCP1575DR2

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Obsolete

CAD Model

Pb

A

H

P

SOIC-8

751-07

1

235

REEL

2500

N

-

1

V2

9

20

200 - 400

Price N/A

More Details

NCP1575DR2G

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Obsolete

CAD Model

Pb

A

H

P

SOIC-8

751-07

1

260

REEL

2500

N

-

1

V2

9

20

200 - 400

Price N/A

More Details

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