Datasheet > STCH02

STCH02

更新时间： 2024-09-17 01:16:03

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		/
页数	文件大小	规格书
24页	729K
描述
Offline PWM controller for ultra-low standby adapters

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STCH02 数据手册

STCH02

Offline PWM controller for ultra-low standby adapters

Datasheet - preliminary data

Description

The STCH02 is a PWM quasi resonant controller

specifically designed for ultra-low standby power

supplies.

The built-in HV startup cell with zero power

consumption, the fully integrated blocks for

SO-8

primary side constant current output regulation

and the advanced power management make this

IC the best choice to build a high efficiency and

ultra-low standby consumption power supply, with

Features

 Advanced power management for ultra-low

standby power consumptions (under 10 mW at

230 Vac)

high overall and excellent dynamic performances.

Figure 1. Typical application

 Fully integrated primary side constant current

output regulation (CC)

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 650 V embedded HV start-up circuit with zero

power consumption.

 Quasi resonant (QR) zero voltage switching

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(ZVS) operation

 Automatic self-supply

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 Accurate and adjustable output OVP with

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(

autorestart after fault

 Input voltage feedforward compensation for

mains-independent CC regulation

 Intelligent frequency jitter for EMI suppression

 SO-8 package

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Table 1. Device summary

Applications

Order code

Package

Packing

 AC-DC chargers for smartphones, tablets,

STCH02

Tube

camcorders and other handheld equipment

SO-8

STCH02TR

Tube and reel

 AC/DC adapters for STB, notebooks and

auxiliary power supplies

December 2015

DocID028766 Rev 1

1/24

This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to

change without notice.

www.st.com

12 3 4 5 6 7...24

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