Resonant Controller with Integrated High Voltage Drivers

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Overview

The NCP1397 is a high performance controller that can be utilized in half bridge resonant topologies such as series resonant, parallel resonant and LLC resonant converters. It integrates 600 V gate drivers, simplifying layout and reducing external component count. With its unique architecture, including a 500 kHz Voltage Controlled Oscillator whose control mode permits flexibility when an ORing function is required, the NCP1397 delivers everything needed to build a reliable and rugged resonant mode power supply. The NCP1397 provides a suite of protection features with configurable settings to optimize any application. These include: auto-recovery or fault latch-off, brown-out, open optocoupler, soft-start and short-circuit protection. Deadtime is also adjustable to overcome shoot through current. NCV1397 offers an Automotive certified version (AEC-Q100/PPAP)

  • Flat panel display power converters
  • High power AC/DC adapters for notebooks
  • Computing power supplies
  • Industrial and medical power sources
  • Offline battery chargers
  • Automotive LLC Power Supply
  • Notebook Adapters
  • LCD TVs
  • ATX power supplies
  • Adjustable minimum switching frequency with 3% accuracy
  • Brown-out input
  • 1 A / 0.5 A Peak Current Sink / Source Drive
  • Timer-based OCP input with auto-recovery
  • Second latched OCP level
  • Adjustable deadtime from 100 ns to 2 us
  • Adjustable soft-start

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Product

Status

ECAD 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)

Pricing ($/Unit)

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NCP1397ADR2G

Active

Pb

A

H

P

SOIC-16

1

260

REEL

2500

Y

Half-Bridge

Voltage Mode

Up to 500

No

9.5/10.5

Yes

Yes

Yes

20

500 / 1000

$0.6318

More Details

NCV1397BDR2G

Active

Pb

A

H

P

SOIC-16

1

260

REEL

2500

Y

Half-Bridge

Voltage Mode

Up to 500

No

9.5/10.5

Yes

Yes

Yes

20

500 / 1000

$0.6931

More Details

NCP1397BDR2G

Active

Pb

A

H

P

SOIC-16

1

260

REEL

2500

Y

Half-Bridge

Voltage Mode

Up to 500

No

9.5/10.5

Yes

Yes

Yes

20

500 / 1000

$0.7128

More Details

NCV1397ADR2G

Active

Pb

A

H

P

SOIC-16

1

260

REEL

2500

Y

Half-Bridge

Voltage Mode

Up to 500

No

9.5/10.5

Yes

Yes

Yes

20

500 / 1000

$0.814

More Details

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