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IK3401 - Green Mode PWM Controller

Description

The IK3401 is a green mode PWM controller.

It is specially designed for DVDP, STB and LCD monitor application.

To minimize standby power consumption, a green-mode function provides off-time modulation to continuously decrease the switching frequency at light-load conditions.

Features

  • IK3401 Green-mode PWM Control Low Start-Up Current (Typ. 14uA) Low Operating Current (Typ. 4mA) Programmable PWM frequency with Frequency Jittering Peak-current-mode Control Cycle-by-Cycle Current Limiting Synchronized Slope Compensation.
  • Leading-Edge Blanking Constant Output Power Limit Totem Pole Output with Soft Driving VDD Over Voltage Protection (OVP) 150°C OTP with Hysteresis Internal Latch C.

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Datasheet Details

Part number IK3401
Manufacturer IK Semicon
File Size 511.96 KB
Description Green Mode PWM Controller
Datasheet download datasheet IK3401 Datasheet

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Full PDF Text Transcription

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TECHNICAL DATA Green Mode PWM Controller Description The IK3401 is a green mode PWM controller. It is specially designed for DVDP, STB and LCD monitor application. To minimize standby power consumption, a green-mode function provides off-time modulation to continuously decrease the switching frequency at light-load conditions. Under zero-load conditions, the power supply enters burstmode. To avoid acoustic noise problem, the minimum PWM frequency set above 20KHz. This green-mode function enables the power supply to easily meet international power conservation requirements. To further reduce power consumption, IK3401 is www.DataSheet4U.com manufactured by using the HV-CMOS process. This allows the lowest start-up current around 14uA, and the operating current is only 4mA.
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