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NCP1342AMDCDAD1R2G SOIC9 ON安森美AC-DC PWM主控芯片

highly integrated quasi?resonant flyback controller

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產(chǎn)品介紹

Product index

The NCP1342 is a highly integrated quasi?resonant flyback controller suitable for designing high?performance off?line power converters. With an integrated active X2 capacitor discharge feature, the NCP1342 can enable no?load power consumption below 30 mW.

The NCP1342 features a proprietary valley?lockout circuitry, ensuring stable valley switching. This system works down to the 6th valley and transitions to frequency foldback mode to reduce switching losses. As the load decreases further, the NCP1342 enters quiet?skip mode to manage the power delivery while minimizing acoustic noise.

To ensure light load performance with high frequency designs, the NCP1342 incorporates Rapid Frequency Foldback with Minimum Peak Current Modulation to reduce the switching frequency quickly. To help ensure converter ruggedness, the NCP1342 implements several key protective features such as internal brownout detection, a non?dissipative Over Power Protection (OPP) for constant maximum output power regardless of input voltage, a latched overvoltage and NTC?ready overtemperature protection through a dedicated pin, and line removal detection to safely discharge the X2 capacitors when the ac line is removed.

訂購信息

ordering information

器件類目

產(chǎn)品型號

封裝描述

包裝數(shù)

是否在產(chǎn)

頻率

絲印

PWM控制器

NCP1342AMDCDAD1R2G

SOIC9

2500/盤

是

25kHz

NCP1342AMDCD

典型應(yīng)用電路

TYPICAL APPLICATION SCHEMATIC

resource/images/76bda82a632c4608ac0ca3621a6b29df_32.jpg

產(chǎn)品特性

Product characteristics

Wide VCC Range from 9 V to 28 V
28 V VCC Overvoltage Protection
Integrated X2 Capacitor Discharge Capability
Integrated High?Voltage Startup Circuit with Brownout Detection

Internal Temperature Shutdown
Frequency Jittering for Reduced EMI Signature
Minimized Current Consumption for No Load Power Below 30 mW
Fault Pin for Severe Fault Conditions, NTC Compatible for OTP

應(yīng)用范圍

Scope of application

: 移話動電話，PDAs，MP3播放器

: 手機充電器

: 電源適配器

: 藍牙應(yīng)用

公司優(yōu)勢

Company advantage

: 正

原裝現(xiàn)貨，技術(shù)選型

: 快

云倉現(xiàn)貨，快速配送

: 全

品類齊全，性能優(yōu)良

: 省

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技術(shù)團隊

Technical team

技術(shù)團隊

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Tongsheng warehouse

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榮譽資質(zhì)

Honorary qualification

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