Secondary Side Synchronous Rectification Driver with Dual Supply

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Overview

 The NCP4307 is high performance driver tailored to control a synchronous rectification MOSFET in switch mode power supplies. Thanks to its high performance drivers and versatility, it can be used in various topologies such as DCM or CCM flyback, quasi resonant flyback, active clamp flyback and forward.  Self-supply capability and dual VCC pin option optimizes designs for wide VOUT range applications, such as USB PD, and can be configured for high side or low side operation.

  • USB PD
  • High Density SMPS
  • USB PD Adapters
  • SMPS
  • Precise True Secondary Zero Current Detection
  • Dual Supply Pins
  • Self Supply
  • Positive dV/dt detection
  • Light load detection

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CAD Models

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Case Outline

MSL Type

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VCC Max (V)

Vref Typ (V)

ICC Max (A)

TA Min (°C)

TA Max (°C)

Reference Price

NCP4307AASNT1G

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Active

CAD Model

Pb

A

H

P

TSOP-6

1

260

REEL

3000

F

35

4.7

7.5E-4

-40

125

$0.292

More Details

NCP4307FASNT1G

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Active

CAD Model

Pb

A

H

P

TSOP-6

1

260

REEL

3000

F

35

4.7

7.5E-4

-40

125

$0.292

More Details

NCP4307FBSNT1G

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Active

CAD Model

Pb

A

H

P

TSOP-6

1

260

REEL

3000

F

35

8.9

7.5E-4

-40

125

$0.292

More Details

NCP4307WASNT1G

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Active

CAD Model

Pb

A

H

P

TSOP-6

1

260

REEL

3000

F

35

4.7

7.5E-4

-40

125

$0.292

More Details

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