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UC3842B中文資料
UC3842B數(shù)據(jù)手冊規(guī)格書PDF詳情
DESCRIPTION
The UC384xB family of control ICs provides the necessary features to implement off-line or DC to DC fixed frequency current mode control schemes with a minimal external parts count. Internally implemented circuits include a trimmed oscillator for precise DUTY CYCLE CONTROL under voltage lockout featuring start-up current less than 0.5mA, a precision reference trimmed for accuracy at the error amp input, logic to insure latched operation, a PWM comparator which also provides current limit control, and a totem pole output stage designed to source or sink high peak current. The output stage, suitable for driving N-Channel MOSFETs, is low in the offstate.
■ TRIMMED OSCILLATOR FOR PRECISE FREQUENCY CONTROL
■ OSCILLATOR FREQUENCY GUARANTEED AT 250kHz
■ CURRENT MODE OPERATION TO 500kHz
■ 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 START-UP AND OPERATING CURRENT
UC3842B產(chǎn)品屬性
- 類型
描述
- 型號
UC3842B
- 制造商
STMICROELECTRONICS
- 制造商全稱
STMicroelectronics
- 功能描述
HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER
| 供應(yīng)商 | 型號 | 品牌 | 批號 | 封裝 | 庫存 | 備注 | 價格 |
|---|---|---|---|---|---|---|---|
STMICROELECTRONICS |
21+ |
標準封裝 |
80 |
保證原裝正品,需要聯(lián)系張小姐 13544103396 微信同號 |
|||
STMICROELECTRONICS |
24+ |
con |
74 |
現(xiàn)貨常備產(chǎn)品原裝可到京北通宇商城查價格 |
|||
STMICROELECTRONICS |
80 |
||||||
ST |
17 |
DIP8 |
30000 |
原廠,原裝,現(xiàn)貨 |
|||
ON |
24+ |
SOP-8 |
4500 |
原裝正品!現(xiàn)貨熱賣! |
|||
24+ |
SOT-223 |
6000 |
美國德州儀器TEXASINSTRUMENTS原廠代理輝華拓展內(nèi)地現(xiàn) |
||||
ST |
19+ |
SOP8 |
35345 |
||||
ST/意法 |
21+ |
SOP8 |
20000 |
原裝現(xiàn)貨假一罰十 |
|||
ST |
24+ |
DIP8 |
256 |
只做原裝 特價 一片起送 |
|||
ON |
22+ |
14-SOIC |
2100 |
UC3842BVDR2G 價格
參考價格：￥1.7536
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Datasheet數(shù)據(jù)表PDF頁碼索引
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STMicroelectronics 意法半導(dǎo)體集團
中文資料: 162405條
意法半導(dǎo)體 (STMicroelectronics) 成立于1987年，總部位于瑞士日內(nèi)瓦和法國巴黎，是一家全球領(lǐng)先的半導(dǎo)體公司。意法半導(dǎo)體專注于設(shè)計、制造和銷售各種半導(dǎo)體解決方案，產(chǎn)品廣泛應(yīng)用于汽車、工業(yè)、消費電子、通信等領(lǐng)域。 意法半導(dǎo)體的產(chǎn)品包括微控制器、模擬集成電路、功率半導(dǎo)體、傳感器等。公司擁有多個研發(fā)中心和生產(chǎn)基地，致力于技術(shù)創(chuàng)新和研發(fā)投入。意法半導(dǎo)體在全球范圍內(nèi)擁有廣泛的客戶群和合作伙伴，為客戶提供高品質(zhì)的產(chǎn)品和解決方案。 公司的使命是通過半導(dǎo)體技術(shù)推動智能化和可持續(xù)發(fā)展，助力客戶取得成功。意法半導(dǎo)體不僅注重商業(yè)成功，還注重社會責(zé)任、環(huán)境保護和可持續(xù)經(jīng)營。企業(yè)價值觀包括創(chuàng)新、尊重
