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NCP1565 - Highly Integrated Dual-Mode Active Clamp PWM Controller

Description

PWM modulator ramp.

C circuit from Vin sets the PWM Ramp slope to implement feedforward.

Features

  • Support Voltage Mode Control and Peak Current Mode Control.
  • Line Feedforward.
  • Adaptive Overlap time Control for Improved Efficiency.
  • Integrated 120 V High Voltage Startup Circuit.
  • Programmable Line Undervoltage Lockout (UVLO) with Adjustable Hysteresis.
  • Cycle by Cycle Peak Current Limiting.
  • Overcurrent Protection Based on Average Current.
  • Short Circuit Protection.
  • Programmable Duty Ratio Clamp.
  • Programmabl.

📥 Download Datasheet

Datasheet Details

Part number NCP1565
Manufacturer onsemi
File Size 2.67 MB
Description Highly Integrated Dual-Mode Active Clamp PWM Controller
Datasheet download datasheet NCP1565 Datasheet

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Full PDF Text Transcription

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DATA SHEET www.onsemi.com Highly Integrated Dual-Mode Active Clamp PWM Controller NCP1565 The NCP1565 is a highly integrated dual-mode active-clamp PWM controller targeting next-generation high-density, high-performance and small to medium power level isolated dc-dc converters for use in telecom and datacom industries. It can be configured in either voltage mode control with input voltage feed-forward or peak current mode control. Peak current mode control may be implemented with input voltage feed forward as well. Adjustable adaptive overlap time optimizes system efficiency based on input voltage and load conditions. This controller integrates all the necessary control and protection functions to implement an isolated active clamp forward or asymmetric half-bridge converter.
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