UC3843 UC3843BD1R2G --  High Performance Current Mode Controllers

Features

• Trimmed Oscillator for Precise Frequency Control

• Oscillator Frequency Guaranteed at 250 kHz

• Current Mode Operation to 500 kHz

• Automatic Feed Forward Compensation

• Latching PWM for Cycle−By−Cycle Current Limiting

• Internally Trimmed Reference with Undervoltage Lockout

• High Current Totem Pole Output

• Undervoltage Lockout with Hysteresis

• Low Startup and Operating Current

• Pb−Free Packages are Available

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【買家必讀】：電子元器件是專業(yè)型的產(chǎn)品，技術(shù)含量較高，本身可能存在多種品牌，後輟與封裝，可能導(dǎo)致參數(shù)與性能的差異，如有不慎，很有可能導(dǎo)致元器件購買錯(cuò)誤，為了更好的解決您的問題，所以請(qǐng)您務(wù)必在下單前，將產(chǎn)品的封裝、後綴告訴我們。以便我們能準(zhǔn)確迅速的為您查詢。

由于客戶采購批量與樣品的價(jià)格不同，網(wǎng)上無法統(tǒng)一注明，請(qǐng)您把采購型號(hào)通過頁面旺旺或客服QQ401799895或撥打國內(nèi)銷售部電話：0755-83957301，由客服人員為您報(bào)價(jià)；有時(shí)元件廠商價(jià)格稍許變動(dòng)，本公司未能及時(shí)調(diào)整，如您覺得售價(jià)稍高，請(qǐng)與我們說明并適當(dāng)議價(jià)，我們會(huì)根據(jù)市場(chǎng)情況給您相應(yīng)的折扣，我們保證提供最市場(chǎng)最優(yōu)勢(shì)的價(jià)格最好元器件；感謝支持（所售元件均無含稅，需開普票7%和增值票17%的客戶請(qǐng)說明）

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MJD is a corporation which engaged in agency electronic components. MJD Through seventeen years unrimitting efforts,  aspire to provide our customers with world-leading products and service. Now already became a one of the most famous electronic components distributor in China.

Because of wholesale price is different from sample price, our website can not state.Please send your required part number via email to Sales@hkmjd.com or add our skype id mjdccm898 for online talking.As well as welcome you call us : 0755-83957301  We will send offer for you;  Sometimes manufacturer's price is unstable, so we don't adjust price in time. if you feel price is a little high for you, just feel free to contact us for consultation. Thank you for your support ！