描述 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.

特性 Features

? 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 Circuit (OVP, OTP)

? Internal Open-loop Protection

? VDD Under-voltage Lockout (UVLO)

? GATE Output Maximum Voltage Clamp (18V)

Applications

? Notebook Power Adapters

? DVD-P, STB, LCD Monitor Power

? Open-Frame SMPS