Offline Controllers | NCP13994

Current Mode Resonant Controller with Integrated High Voltage Drivers, High Performance, Active X2

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Overview

The NCP13994 is an enhanced, high-performance current mode controller for half-bridge resonant converters. This controller incorporates a 700 V rated high voltage start-up current source and X2-Capacitor discharge function as well as gate drivers, simplifying layout and reducing external component count. In applications where a PFC front stage is needed, the NCP13994 features a dedicated output to interface with the PFC controller. This feature together with the dedicated quiet skip mode technique ensures excellent no-load and light-load efficiency can be achieved for the entire system. The NCP13994 provides a suite of protection features allowing safe operation in any application. This includes overload protection, over−current protection to prevent hard switching cycles, brown−out detection, open optocoupler detection, automatic dead−time adjust, overvoltage (OVP), and overtemperature (OTP) protection.

  • Half Bridge Resonant Converter
  • Offline Power Supply
  • High Performance Computing Power Supplies
  • Telecom Power Supplies
  • Industrial Power Supplies
  • UHD TV Power Supplies
  • Lighting Power Supplies
  • Integrated 700 V High Voltage Start Up and X2-Capacitor Discharge Function as well as Gate Drivers
  • Current Mode Control Scheme
  • Full Load Operating Frequency Up to 750 kHz
  • Automatic Dead−time with Maximum Dead−time Clamp
  • Quiet Skip Mode
  • Dedicated PFC and LLC Communication

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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

NCP13994AADR2G

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Active

CAD Model

Pb

A

H

P

SOIC-16 NB

751DU

3

260

REEL

2500

F

LLC

Current Mode

Up to 750

Yes

15.5

Yes

No

Yes

30

500 / 1000

$0.9733

More Details

NCP13994ACDR2G

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Active

CAD Model

Pb

A

H

P

SOIC-16 NB

751DU

3

260

REEL

2500

F

LLC

Current Mode

Up to 750

Yes

15.5

Yes

Yes

Yes

30

500 / 1000

Price N/A

More Details

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