AC-DC Active Clamp Flyback PWM Controller

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Overview

The NCP1568 is a highly integrated Ac-Dc PWM controller designed to implement an active clamp flyback topology. NCP1568 employs a proprietary variable frequency algorithm to enables zero voltage switching (ZVS) of the MOSFETs across line & load conditions. The ZVS feature allows high frequency operation increasing power density of a power converter while achieving high efficiency. A HV startup circuit, a strong low side driver, and a 5V logic level driver for active clamp FET, including SJ FETs and GaN FETs, are integrated. The NCP1568 is suitable for a variety of applications including Ac-Dc adapters, industrial, telecom, lighting and other applications where power density is an important requirement.

  • AC-DC Power Conversion
  • USB Power Delivery
  • Qualcomm Quick Charge
  • USB Type C Power Delivery
  • High Density Notebook & Mobile Adapters
  • Server Auxiliary Power
  • Industrial Power Supplies
  • Active Clamp Flyback Topology
  • Multi-mode Operation
  • Programmable Control Scheme
  • Quiet Skip
  • Programmable Frequency

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7

Product

Status

CAD Models

Compliance

Package Type

Case Outline

MSL Type

MSL Temp (°C)

Container Type

Container Qty.

ON Target

Topology

Control Mode

fsw Typ (kHz)

Stand-by Mode

UVLO (V)

Short Circuit Protection

Latch

Soft Start

VCC Max (V)

Drive Cap. (mA)

Reference Price

NCP1568G00DBR2G

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Obsolete

CAD Model

Pb

A

H

P

TSSOP16 MINUS PINS 2,3,14 & 15

1

260

REEL

2500

N

Active Clamp Flyback

Current Mode

100 kHz to 1 MHz

Yes

9

Yes

Yes

Yes

27

850 / 1500

Price N/A

More Details

NCP1568G01DBR2G

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Last Shipments

CAD Model

Pb

A

H

P

TSSOP16 MINUS PINS 2,3,14 & 15

1

260

REEL

2500

N

Active Clamp Flyback

Current Mode

100 kHz to 1 MHz

Yes

9

Yes

No

Yes

27

850 / 1500

Price N/A

More Details

NCP1568G03DBR2G

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Active

CAD Model

Pb

A

H

P

TSSOP16 MINUS PINS 2,3,14 & 15

1

260

REEL

2500

F

Active Clamp Flyback

Current Mode

100 kHz to 1 MHz

Yes

9

Yes

No

Yes

27

850 / 1500

$0.9545

More Details

NCP1568G04DBR2G

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Active

CAD Model

Pb

A

H

P

TSSOP16 MINUS PINS 2,3,14 & 15

1

260

REEL

2500

F

Active Clamp Flyback

Current Mode

100 kHz to 1 MHz

Yes

9

Yes

No

Yes

27

850 / 1500

$2.7309

More Details

NCP1568S00DBR2G

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Obsolete

CAD Model

Pb

A

H

P

TSSOP16 MINUS PINS 2,3,14 & 15

1

260

REEL

2500

N

Active Clamp Flyback

Current Mode

100 kHz to 1 MHz

Yes

9

Yes

Yes

Yes

27

850 / 1500

Price N/A

More Details

NCP1568S01DBR2G

Loading...

Obsolete

CAD Model

Pb

A

H

P

TSSOP16 MINUS PINS 2,3,14 & 15

1

260

REEL

2500

N

Active Clamp Flyback

Current Mode

100 kHz to 1 MHz

Yes

9

Yes

Yes

Yes

27

850 / 1500

Price N/A

More Details

NCP1568S02DBR2G

Loading...

Active

CAD Model

Pb

A

H

P

TSSOP16 MINUS PINS 2,3,14 & 15

1

260

REEL

2500

Y

Active Clamp Flyback

Current Mode

100 kHz to 1 MHz

Yes

9

Yes

Yes

Yes

27

850 / 1500

$2.7309

More Details

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