Secondary Side Controllers | NCP43080

同步整流器控制器，带 LLD 功能

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概览

NCP43080 是一款用于开关模式电源的同步整流器控制器。该控制器可实现反激、准谐振反激和 LLC 拓扑结构的高能效设计。 外部可调节最短开关时间间隔时段提供了驱动各种 MOSFET 封装类型和 PCB 布局的灵活性。SR 系统的可靠低噪音运行由于自同步功能而得以保证。NCP4308 还利用驱动器到 MOSFET 的开尔文联接实现了满载下的高能效运行。 该驱动器精确的关断阈值、极低的关断延迟时间和高接受电流功能可实现最长的同步整流 MOSFET 导通时间。该高准确性驱动器和 5V 门极箝位使其非常适用于直接驱动 GaN 器件。 为了提供 PCB 布局方面的更大灵活性，此产品有两种版本。NCP4308 没有 LLD 功能，NCP43080 有 LLD 功能

  • Notebook Adapters
  • High Power Density AC/DC Power Supplies (Cell Phone Chargers)
  • LCD TVs
  • All SMPS with High Efficiency Requirements
  • SR for Flyback & LLC
  • Notebook Adapters
  • Smartphone Chargers
  • Tablet Chargers
  • AC-DC Power Adapters
  • LCD TVs
  • Ultra High Density Adapters
  • Self−Contained Control of Synchronous Rectifier in CCM, DCM and QR for Flyback or LLC Applications
  • Precise True Secondary Zero Current Detection
  • Rugged Current Sense Pin (up to 150 V)
  • Adjustable Minimum ON−Time
  • Adjustable Minimum OFF-Time with Ringing Detection
  • Adjustable Maximum ON−Time for CCM Controlling of Primary QR Controller
  • Operating Voltage Range up to VCC = 35 V
  • 8 A / 4 A Peak Current Sink / Source Drive Capability
  • GaN Transistor Driving Capability (options A and C)
  • Low Startup Current Consumption
  • Maximum Operation Frequency up to 1 MHz
  • Improved Robust Self Synchronization Capability
  • These are Pb−Free Devices

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CAD Models

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Package Type

Case Outline

MSL Type

MSL Temp (°C)

Container Type

Container Qty.

ON Target

VCC Max (V)

Vref Typ (V)

ICC Max (A)

TA Min (°C)

TA Max (°C)

Reference Price

NCP43080ADR2G

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Active

CAD Model

Pb

A

H

P

SOIC-8

751-07

3

260

REEL

2500

Y

37

N/A

0.0056

-40

125

$0.2997

More Details

NCP43080AMTTWG

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Lifetime

CAD Model

Pb

A

H

P

WDFN-8

511AT

1

260

REEL

3000

N

37

N/A

0.0056

-40

125

$0.3159

More Details

NCP43080DDR2G

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Active

CAD Model

Pb

A

H

P

SOIC-8

751-07

3

260

REEL

2500

Y

37

N/A

0.0056

-40

125

$0.2832

More Details

NCP43080DMNTWG

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Active

CAD Model

Pb

A

H

P

DFN-8

488AF

1

260

REEL

4000

Y

37

N/A

0.0056

-40

125

$0.5233

More Details

NCP43080DMTTWG

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Active

CAD Model

Pb

A

H

P

WDFN-8

511AT

1

260

REEL

3000

Y

37

N/A

0.0056

-40

125

$0.276

More Details

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